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2/13 rain to snow event


LVblizzard
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Epic Bust here in CNJ happy for the NW crew though. We got less than 2" and it has all been completely melted by mid-afternoon here in Bordentown, NJ. Kind of amazing how every model this morning had 4-8" for the area. Probably got around 1.5" if that....

These storms always produce winners and losers! That sucks. I go crazy missing out on these winter storms (nailed this one though.). I also hate missing a severe thunderstorm!


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1 hour ago, Birds~69 said:

Do you know (or anyone) if the official Philly totals still come from the airport?

They used to do measurements from National Park, NJ but I have noticed in the PNS's that they are using an ASOS.

Quote

Philadelphia International   0.6 in    0100 PM 02/13   ASOS 

The full PNS -

Quote

000
NOUS41 KPHI 132119
PNSPHI
DEZ001>004-MDZ012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-060>062-070-
071-101>106-140919-

Public Information Statement
National Weather Service Mount Holly NJ
419 PM EST Tue Feb 13 2024

...FINAL SNOWFALL TOTALS FOR 2/13/24 STORM...

Location                     Amount    Time/Date       Provider             

...Delaware...

...New Castle County...
Winterthur                   2.2 in    1200 PM 02/13   Mesonet              
Hockessin                    2.0 in    1200 PM 02/13   Mesonet              
1 SW West Park               0.7 in    1200 PM 02/13   Mesonet              
1 E Ashbourne Hills          0.6 in    1200 PM 02/13   Mesonet              
New Castle County Airport    0.5 in    0100 PM 02/13   ASOS                 

...New Jersey...

...Atlantic County...
Atlantic City International   T in     0100 PM 02/13   ASOS                 

...Burlington County...
1 ESE Delran                 2.1 in    1100 AM 02/13   Trained Spotter      
Maple Shade                  1.9 in    1230 PM 02/13   Trained Spotter      
1 NNE Rancocas               1.6 in    1215 PM 02/13   NWS Employee         
Mount Holly WFO              1.4 in    1225 PM 02/13   Official NWS Obs     
Mount Laurel                 1.4 in    1240 PM 02/13   Trained Spotter      
Medford                      1.0 in    1140 AM 02/13   NWS Employee         
Moorestown                   1.0 in    0115 PM 02/13   Broadcast Media      
Marlton                      0.9 in    0945 AM 02/13   Trained Spotter      
Leisuretowne                 0.8 in    1225 PM 02/13   Trained Spotter      

...Camden County...
1 W Greentree                1.5 in    1130 AM 02/13   Public               
Mount Ephraim                0.9 in    1210 PM 02/13   COCORAHS             

...Gloucester County...
Paulsboro                    1.1 in    1145 AM 02/13   Public               
Wenonah 0.2 SW               0.5 in    0912 AM 02/13   COCORAHS             

...Hunterdon County...
2 SW Tewksbury Twp           8.0 in    1230 PM 02/13   Public               
Flemington                   7.6 in    1200 PM 02/13   Trained Spotter      
Readington Twp               7.5 in    1000 AM 02/13   Trained Spotter      
Flemington 1.9 SE            7.0 in    1200 PM 02/13   COCORAHS             
Readington                   6.5 in    1231 PM 02/13   Trained Spotter      
Clinton Twp. 4 N             6.0 in    0830 AM 02/13   COCORAHS             
Bloomsbury                   5.0 in    0145 PM 02/13   Public               
Glen Gardner                 4.9 in    0650 AM 02/13   Public               

...Mercer County...
Woodsville                   6.8 in    1233 PM 02/13   Trained Spotter      
Princeton                    4.5 in    1236 PM 02/13   Trained Spotter      
Trenton Mercer Airport       4.2 in    0100 PM 02/13   ASOS                 
Hopewell Twp. 2.4 NW         4.0 in    0909 AM 02/13   COCORAHS             
Ewing                        2.3 in    0935 AM 02/13   Trained Spotter      
Hamilton Square              1.4 in    1237 PM 02/13   Trained Spotter      

...Middlesex County...
Metuchen                     6.1 in    1230 PM 02/13   Public               
South Plainfield             5.5 in    1100 AM 02/13   Amateur Radio        
Iselin                       5.0 in    1240 PM 02/13   Trained Spotter      
Highland Park                4.5 in    1100 AM 02/13   Amateur Radio        
Edison                       4.3 in    1238 PM 02/13   Trained Spotter      
1 W North Brunswick          4.3 in    0100 PM 02/13   Public               
New Brunswick 3 SE           4.0 in    0800 AM 02/13   COOP                 
1 ESE Kendall Park           4.0 in    1220 PM 02/13   Public                     
North Brunswick              4.0 in    1215 PM 02/13   Public               
East Brunswick               3.6 in    1100 AM 02/13   Amateur Radio        
South Amboy                  3.5 in    1100 AM 02/13   Amateur Radio        
Cranbury                     2.7 in    1220 PM 02/13   Other Federal        

...Monmouth County...
1 SSW Freehold               5.1 in    1250 PM 02/13   Trained Spotter      
Holmdel                      5.0 in    0130 PM 02/13   Trained Spotter      
3 NE Perrineville            4.2 in    0130 PM 02/13   Trained Spotter      
Middletown                   4.0 in    1230 PM 02/13   Public               
1 ENE Atlantic Highlands     3.5 in    0100 PM 02/13   Public               
1 NNW Clarksburg             3.3 in    1240 PM 02/13   Cocorahs             
Tinton Falls                 3.2 in    0100 PM 02/13   Broadcast Media      
1 N Colts Neck Twp           3.1 in    0120 PM 02/13   Cocorahs             
Union Beach 2.1 SSE          3.0 in    0800 AM 02/13   COCORAHS             
Marlboro                     2.5 in    0900 AM 02/13   COOP                 
Monmouth Beach               2.2 in    1105 AM 02/13   Public               
Little Silver 0.3 NNW        2.1 in    0900 AM 02/13   COCORAHS             
2 SSE Howell                 2.0 in    0100 PM 02/13   Cocorahs             
Red Bank                     2.0 in    1110 AM 02/13   Public               
Keyport                      1.5 in    1050 AM 02/13   Trained Spotter      
Manasquan                    1.2 in    1012 AM 02/13   CO-OP Observer       

...Morris County...
Green Pond                   11.5 in   0130 PM 02/13   Trained Spotter      
Randolph Twp 2.2 SE          11.5 in   1137 AM 02/13   COCORAHS             
Randolph                     11.5 in   1136 AM 02/13   Trained Spotter      
Denville                     10.2 in   1210 PM 02/13   Trained Spotter      
Kinnelon 1.4 SE              10.0 in   1000 AM 02/13   COCORAHS             
Budd Lake                    9.2 in    1120 AM 02/13   Public               
Lake Hopatcong               9.2 in    1130 AM 02/13   Trained Spotter      
1 WSW Milton                 9.1 in    0145 PM 02/13   Trained Spotter      
Morris Plains                9.1 in    1200 PM 02/13   Public               
Butler                       9.0 in    1120 AM 02/13   Trained Spotter      
2 NNE Califon                9.0 in    1107 AM 02/13   Trained Spotter      
Mount Arlington              8.5 in    0100 PM 02/13   Trained Spotter      
Montville                    8.0 in    0200 PM 02/13   Public               
Roxbury Twp.                 8.0 in    0700 AM 02/13   COCORAHS             
1 WSW Mountain Lakes         8.0 in    1206 PM 02/13   Cocorahs             
Rockaway                     8.0 in    0100 PM 02/13   Trained Spotter      
Chatham                      7.8 in    0100 PM 02/13   Public               
Whippany                     7.5 in    1100 AM 02/13   Trained Spotter      
2 SW Schooleys Mountain      7.3 in    1110 AM 02/13   Public               
Pequannock                   7.0 in    1200 PM 02/13   Trained Spotter      
Parsippany-Troy Hills Twp    7.0 in    1120 AM 02/13   Public               
Millington                   6.9 in    1110 AM 02/13   Public               
Boonton                      6.0 in    1015 AM 02/13   Public               
Ledgewood                    6.0 in    0902 AM 02/13   Public               
Pompton Plains               6.0 in    1010 AM 02/13   Public               

...Ocean County...
2 NE Brick                   1.7 in    0100 PM 02/13   Trained Spotter      

...Somerset County...
Watchung 1.4 WNW             8.5 in    1145 AM 02/13   COCORAHS             
3 W Belle Mead               8.3 in    1152 AM 02/13   Public               
Far Hills 1 S                7.5 in    1200 PM 02/13   COCORAHS             
Basking Ridge                7.3 in    1207 PM 02/13   Trained Spotter      
3 SSE Far Hills              7.0 in    0100 PM 02/13   Public               
Martinsville                 7.0 in    1230 PM 02/13   Public               
Hillsborough Twp             6.5 in    1235 PM 02/13   Trained Spotter      
North Plainfield             6.2 in    1215 PM 02/13   Trained Spotter      
Neshanic Station             6.0 in    1145 AM 02/13   Public               
2 N Bridgewater              5.5 in    0100 PM 02/13   Cocorahs             
2 ENE Montgomery Twp         5.3 in    1200 PM 02/13   Trained Spotter      
Green Brook Twp              5.0 in    1130 AM 02/13   Trained Spotter      
Middlebush                   4.5 in    1230 PM 02/13   Cocorahs             
Franklin Twp 3.8 ENE         4.1 in    0900 AM 02/13   COCORAHS             
Millstone                    3.0 in    1034 AM 02/13   Broadcast Media      

...Sussex County...
Sussex                       15.0 in   1228 PM 02/13   Trained Spotter      
1 SSE Montague               14.8 in   0218 PM 02/13                        
Hampton Twp                  13.0 in   0935 AM 02/13   Trained Spotter      
Sparta                       12.5 in   0930 AM 02/13   Trained Spotter      
Sandyston Twp                12.3 in   1200 PM 02/13   Public               
Vernon                       12.1 in   1130 AM 02/13   Public               
Ogdensburg                   11.7 in   0100 PM 02/13   Public               
Wantage Twp                  11.6 in   1100 AM 02/13   Public               
3 SSW High Point             11.3 in   1045 AM 02/13   Trained Spotter      
Lafayette Twp                11.0 in   1105 AM 02/13   Trained Spotter      
Newton                       11.0 in   1200 PM 02/13   Public               
3 N Pellettown               11.0 in   1045 AM 02/13   Trained Spotter      
1 SSW Hamburg                10.7 in   1240 PM 02/13   Public               
1 S Hardyston Twp            9.9 in    1130 AM 02/13   Cocorahs             
Franklin                     9.5 in    1100 AM 02/13   Public               
Byram Twp                    9.0 in    1050 AM 02/13   Public               
Hopatcong                    8.5 in    1208 PM 02/13   Trained Spotter      

...Warren County...
Blairstown                   12.0 in   1045 AM 02/13   Cocorahs             
2 SE Knowlton Twp            10.4 in   1045 AM 02/13   Cocorahs             
1 SSW Harmony                9.8 in    1100 AM 02/13   Trained Spotter      
Knowlton Twp 1.7 S           9.8 in    0845 AM 02/13   COCORAHS             
Hackettstown                 9.0 in    1030 AM 02/13   Trained Spotter      
Liberty Twp                  8.5 in    1130 AM 02/13   Public               
1 ENE Pohatcong Twp          8.3 in    1159 AM 02/13   Cocorahs             
Washington Twp. 1.8 SE       8.0 in    1200 PM 02/13   COCORAHS             
Phillipsburg                 8.0 in    1100 AM 02/13   Public               
Stewartsville                8.0 in    1030 AM 02/13   Trained Spotter      

...Pennsylvania...

...Berks County...
Huffs Church                 9.4 in    1037 AM 02/13   Trained Spotter      
Hamburg                      8.8 in    1015 AM 02/13   Public               
Fleetwood 4.8 ESE            8.3 in    0700 AM 02/13   COCORAHS             
Bern Twp                     8.2 in    1134 AM 02/13   Trained Spotter      
Blandon                      8.1 in    1020 AM 02/13   Public               
Lenhartsville                8.0 in    1024 AM 02/13   Public               
Mertztown                    8.0 in    1101 AM 02/13   Trained Spotter      
Morgantown                   8.0 in    1109 AM 02/13   Trained Spotter      
Wernersville                 8.0 in    1200 PM 02/13   Trained Spotter      
Mohrsville 2.2 SW            6.8 in    0800 AM 02/13   COCORAHS             
1 N Union Twp                6.8 in    1004 AM 02/13   Public               
Spring Twp                   6.5 in    1000 AM 02/13   Public               
Elverson 2.1 NE              6.0 in    1100 AM 02/13   COCORAHS             
3 ENE New Morgan             6.0 in    1114 AM 02/13   Trained Spotter      
Reading Regional Airport     5.8 in    0100 PM 02/13   ASOS                 
1 N Boyertown                5.3 in    0829 AM 02/13   Public               
1 WSW Douglass Twp           5.0 in    0830 AM 02/13   COCORAHS             

...Bucks County...
2 NE Springtown              10.5 in   1100 AM 02/13   CO-OP Observer       
East Rockhill Twp            8.9 in    1155 AM 02/13   Trained Spotter      
2 E Telford                  8.9 in    1030 AM 02/13   Cocorahs             
Hilltown Twp                 7.9 in    1115 AM 02/13   Trained Spotter      
Lumberville                  7.3 in    1110 AM 02/13   Trained Spotter      
Bedminster                   7.0 in    1241 PM 02/13   Trained Spotter      
Buckingham Twp               7.0 in    0100 PM 02/13   Public               
Gardenville                  7.0 in    1123 AM 02/13   Trained Spotter      
Trumbauersville              7.0 in    1030 AM 02/13   Trained Spotter      
Doylestown 3.4 SW            6.5 in    1200 PM 02/13   COCORAHS             
Furlong                      6.0 in    1220 PM 02/13   Trained Spotter      
Perkasie 0.8 NE              5.5 in    0900 AM 02/13   COCORAHS             
Warminster                   5.5 in    1030 AM 02/13   Trained Spotter      
New Hope                     5.0 in    1200 PM 02/13   Public               
Lower Makefield Twp          4.8 in    0135 PM 02/13   Public               
Bensalem                     3.1 in    0100 PM 02/13   Public               
Langhorne                    3.0 in    1137 AM 02/13   Trained Spotter      
1 SSE Northampton Twp        3.0 in    1045 AM 02/13   NWS Employee         

...Carbon County...
Albrightsville               14.5 in   1000 AM 02/13   Public               
Jim Thorpe                   13.4 in   1030 AM 02/13   Trained Spotter      
Lehighton 1.3 SSE            12.3 in   1200 PM 02/13   COCORAHS             
Lehigh Twp                   11.0 in   0850 AM 02/13   Trained Spotter      
Lower Towamensing Twp        10.8 in   1030 AM 02/13   Public               
Palmerton                    7.0 in    0830 AM 02/13   Trained Spotter      

...Chester County...
East Nantmeal Twp            10.5 in   1059 AM 02/13   Trained Spotter      
West Caln Twp                9.3 in    1030 AM 02/13   Trained Spotter      
2 E Warwick Twp              8.0 in    1200 PM 02/13   Mesonet              
1 S Wallace Twp              7.8 in    1200 PM 02/13   Mesonet              
1 E West Sadsbury Twp        7.5 in    1113 AM 02/13   Trained Spotter      
1 NE East Vincent Twp        7.1 in    0100 PM 02/13   CO-OP Observer       
East Coventry Twp            7.0 in    1150 AM 02/13   Trained Spotter      
Glenmoore                    7.0 in    0945 AM 02/13   Public               
Malvern                      7.0 in    1140 AM 02/13   Public               
1 S Chester Springs          6.4 in    1200 PM 02/13   Mesonet              
Easttown Twp                 6.3 in    1130 AM 02/13   Public               
1 WNW Chesterbrook           6.2 in    1115 AM 02/13   Trained Spotter      
2 SSW Atglen                 6.1 in    1200 PM 02/13   Mesonet              
Downington                   5.5 in    1230 PM 02/13   Public               
Exton                        5.3 in    1100 AM 02/13   Public               
Paoli                        5.2 in    1115 AM 02/13   Trained Spotter      
West Bradford Twp            5.1 in    1240 PM 02/13   Trained Spotter      
1 WSW Phoenixville           4.8 in    1137 AM 02/13   Trained Spotter      
Exton 2.1 SE                 4.6 in    0929 AM 02/13   COCORAHS             
Jennersville                 4.2 in    1120 AM 02/13   Public               
1 W West Nottingham Twp      4.1 in    1200 PM 02/13   Mesonet              
Oxford                       4.0 in    0825 AM 02/13   Public               
1 NNW Glenhall               3.9 in    1200 PM 02/13   Mesonet              
Schuylkill Twp               3.6 in    0200 PM 02/13   Public               
1 NNW Westtown               3.2 in    1200 PM 02/13   Mesonet              

...Delaware County...
Thornton                     4.3 in    1130 AM 02/13   Trained Spotter      
Thornbury Twp                4.0 in    1106 AM 02/13   Public               
Chadds Ford Twp              3.4 in    1100 AM 02/13   Trained Spotter      
Bethel Twp                   3.0 in    1119 AM 02/13   Public               
Aston Twp.                   2.0 in    1200 PM 02/13   Public               
Morton                       1.5 in    1110 AM 02/13   Trained Spotter      

...Lehigh County...
Washington Twp               12.3 in   1250 PM 02/13   Trained Spotter      
Weisenberg Twp               12.3 in   1005 AM 02/13   Public               
Salisbury Twp                11.2 in   1103 AM 02/13   Trained Spotter      
Germansville                 10.8 in   1030 AM 02/13   Trained Spotter      
3 E Zionsville               10.5 in   1140 AM 02/13   Public               
3 W Upper Macungie Twp.      10.5 in   1200 PM 02/13   Trained Spotter      
Center Valley                10.5 in   1100 AM 02/13   Trained Spotter      
Allentown                    9.5 in    1030 AM 02/13   Public               
New Tripoli                  9.3 in    1010 AM 02/13   Trained Spotter      
1 ESE North Whitehall Twp    9.3 in    0120 PM 02/13   Cocorahs             
Whitehall Twp                9.3 in    1100 AM 02/13   Trained Spotter      
Lehigh Valley International  9.1 in    0100 PM 02/13   ASOS                 
Breinigsville                9.0 in    0930 AM 02/13   Trained Spotter      
Coplay                       9.0 in    1200 PM 02/13   Public               
Emmaus                       9.0 in    1100 AM 02/13   Trained Spotter      
Macungie                     8.8 in    1057 AM 02/13   Trained Spotter      
Wescosville 0.3 SE           8.5 in    1230 PM 02/13   COCORAHS             
1 WSW Neffs                  8.5 in    0100 PM 02/13   Trained Spotter      
2 NE Ancient Oaks            8.5 in    1240 PM 02/13   Cocorahs             

...Monroe County...
1 NNW Pocono Summit          14.5 in   0130 PM 02/13   Trained Spotter      
Tobyhanna                    14.5 in   0900 AM 02/13   Public               
Stroudsburg                  13.2 in   1030 AM 02/13   CO-OP Observer       
Effort                       13.0 in   1130 AM 02/13   Public               
4 NNW Echo Lake              13.0 in   1045 AM 02/13   Public               
Sciota                       13.0 in   1159 AM 02/13   Trained Spotter      
Arlington Heights            12.5 in   1031 AM 02/13   Trained Spotter      
Coolbaugh Twp                12.3 in   1206 PM 02/13   Trained Spotter      
Pocono Pines                 12.2 in   0909 AM 02/13   Trained Spotter      
Paradise Valley              12.0 in   1200 PM 02/13   Public               
Canadensis                   12.0 in   0700 AM 02/13   COOP                 
2 NW Blakeslee               11.8 in   0140 PM 02/13   Trained Spotter      
2 NNW Pocono Mountains Munic 11.5 in   0210 PM 02/13                        
Mount Pocono 0.7 N           10.5 in   0700 AM 02/13   COCORAHS             
Mount Pocono                 9.7 in    0635 AM 02/13   Trained Spotter      

...Montgomery County...
Schwenksville                9.0 in    1030 AM 02/13   Public               
3 NW Trappe                  8.8 in    1220 PM 02/13   Trained Spotter      
Souderton                    8.5 in    1045 AM 02/13   Trained Spotter      
New Hanover Twp              8.2 in    1030 AM 02/13   Trained Spotter      
Upper Hanover Twp            8.1 in    0950 AM 02/13   Trained Spotter      
1 SW Lansdale                8.0 in    1145 AM 02/13   Trained Spotter      
2 SW Pennsburg               7.5 in    1100 AM 02/13   Public               
Pottstown                    7.5 in    1000 AM 02/13   Public               
Royersford                   7.5 in    1115 AM 02/13   Trained Spotter      
Salford Twp                  6.7 in    1100 AM 02/13   Public               
Eagleville                   5.5 in    1000 AM 02/13   Trained Spotter      
Norristown                   5.3 in    1204 PM 02/13   Trained Spotter      
Upper Providence Twp         5.3 in    1030 AM 02/13   Emergency Mngr       
Hatfield                     5.0 in    0100 PM 02/13   Public               
2 S Horsham Twp              4.5 in    1157 AM 02/13   Trained Spotter      
King of Prussia              4.3 in    1230 PM 02/13   Trained Spotter      
Glenside                     3.8 in    1122 AM 02/13   Trained Spotter      
Wyndmoor                     3.2 in    0952 AM 02/13   Trained Spotter      
Penn Wynne                   3.0 in    1230 PM 02/13   Cocorahs             

...Northampton County...
Bangor                       12.0 in   1030 AM 02/13   Trained Spotter      
Bushkill Twp                 11.0 in   1005 AM 02/13   Trained Spotter      
Bethlehem                    10.5 in   1033 AM 02/13   Trained Spotter      
Nazareth                     10.3 in   0950 AM 02/13   Public               
Forks Twp                    10.1 in   1230 PM 02/13   Public               
Pen Argyl                    10.0 in   1042 AM 02/13   Trained Spotter      
Moore Twp                    9.7 in    1045 AM 02/13   Public               
2 E Bethlehem                9.5 in    1207 PM 02/13   Trained Spotter      
Palmer Heights               9.1 in    0157 PM 02/13   Trained Spotter      
Bethlehem Twp                9.1 in    1128 AM 02/13   Trained Spotter      
Martins Creek                9.1 in    0100 PM 02/13   CO-OP Observer       
Hellertown                   8.4 in    1100 AM 02/13   Trained Spotter      
Walnutport                   7.5 in    0815 AM 02/13   Trained Spotter      

...Philadelphia County...
Shawmont                     4.5 in    1200 PM 02/13   Trained Spotter      
1 NNW Manayunk               3.5 in    0100 PM 02/13   Public               
Philadelphia                 1.0 in    0900 AM 02/13   COCORAHS             
Mantua                       1.0 in    1205 PM 02/13   Public               
Philadelphia International   0.6 in    0100 PM 02/13   ASOS                 
&&

Well my "high" for the day was 40 at midnight, but after the storm was done and the sun came out, I did get close, hitting around 38 briefly.

It's currently 36 with dp 29.

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5 hours ago, RedSky said:

Sun angle feels like April what is going on lol

 

5 hours ago, Birds~69 said:

I've noticed this the past week or so while driving. So damn bright and drilling to my eyes for, not even, mid-Feb. WTF? This stuff usually doesn't affect me till early-mid March at the earliest...

39F/partly sunny

Was just talking about this with someone. They noticed the past few years the sun's rays have felt hotter. I noted that I also sensed that. Wonder if there is something to this?

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One thing I’ve learned from this is if temperatures are iffy, always use the snow depth snow maps, or look at soundings. Kuchera and 10-1 maps were completely off, even the 12z Kuchera this morning were printing out over 8 inches of snow for central New Jersey when most places in that area ended up with 1-2” at best. I remember last night the RGEM snow depth had about 1 to 3 inches for the area so it was pretty dang close and it was also pretty good for north and west areas where it had 6 to 8 inches modeled.

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2 minutes ago, Blizzard-on-GFS said:

One thing I’ve learned from this is if temperatures are iffy, always use the snow depth snow maps, or look at soundings. Kuchera and 10-1 maps were completely off, even the 12z Kuchera this morning were printing out over 8 inches of snow for central New Jersey when most places in that area ended up with 1-2” at best. I remember last night the RGEM snow depth had about 1 to 3 inches for the area so it was pretty dang close and it was also pretty good for north and west areas where it had 6 to 8 inches modeled.

check out the massive differences below. 10” for CNJ on 10-1 vs 2” on snow depth. That should always be a tell tale sign. 

IMG_3282.png

IMG_3281.png

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6 hours ago, Birds~69 said:

I've noticed this the past week or so while driving. So damn bright and drilling to my eyes for, not even, mid-Feb. WTF? This stuff usually doesn't affect me till early-mid March at the earliest...

39F/partly sunny

We're just not used to the sun this winter, lol. And yeah with snow on the ground practically need sunglasses.

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Wound up with 3.2" here. Season total in double digits now at 12.8", or 14.22x last winters total (of 0.9") - yeah baby! Thoroughly enjoyed it!

Best part was around 7 am here, probably the heaviest snow I've seen in a few years. Some heavy shoveling too, but better this way than from snow  turning to rain.

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Was just talking about this with someone. They noticed the past few years the sun's rays have felt hotter. I noted that I also sensed that. Wonder if there is something to this?

Seriously, I had a similar conversation today with someone on the same subject . The sun this afternoon felt like March/April today. I never used a coat this afternoon in the sun as it felt so warm at 38 degrees.
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20 hours ago, RU848789 said:

As of about 12:15 the snow ended and that last good 45 min band got us to 6.0" as per my lousy pic below, using the yardstick I grew up with, lol. 

Not quite the 7.2" I predicted, due to probably missing out on 1.5-2.0" from being in that heinous subsidence hell hole for 3 hours, lol. But Woo-hoo! since my expectations several days ago, when things were trending warm/wet for 95, was maybe an inch or two of slop...although there was certainly some hope for a 10-12" event in the past day or two if things worked out perfectly, but not a surprise that that didn't happen, which is why my prediction was for a more realistic 7.2".

This brings the season total up to a respectable 13.3", still well below where we should be (about 18" through this point in the winter), but way better than last winter's 5.2" here. And there are some more snow chances over the next few weeks.

And this storm is one more data point showing that snow will easily accumulate on all untreated surfaces at 33-34F, as long as there is moderate to high intensity, even after a warm/rainy day. Curious to see what my ratios were (in progress). Guessing pretty low early in the storm with some sleet and pretty wet snow, but probably >10:1 once the snow started falling heavily around sunrise and especially by mid-morning as the snow was fairly fluffy with nice dendrites, but I'll only be able to get one aggregate number.

AaNdH5q.png

Snow ratio time.  I like the cuboid method over the core method: I simply carve a 10" x 10" slice of snow and shove it into a big bowl, melt it and measure the volume vs. the snow height I measured (it's a much bigger volume than most cores, so it should have less error associated with the measurement.  I had 9832 cc volume in my 10"x10"x6" cuboid vs. 1180 cc of melted snow, so my ratio was 8.33:1, which was very close to Newark's 8.4:1.  I suspect it was much lower over the first hour or two, when we had 1/4" or so of sleet followed by fairly wet snow, but that was maybe the first inch of depth.  Once we started getting higher intensity snowfall it clearly was at least 10:1 ratio snow as the flakes were very nice dendrites (although a little wet until later in the storm). Also, I had estimated we'd have ratios around 8:1 for most of 95, before the storm and at least EWR and I got very close to that, while Kuchera estimates were in the 6-7:1 range, depending on the model.  I get why Kuchera is used - I'd just rather do my own estimate.  

So much for the concerns over the ratio of the snow that fell from the sky.  And while we're at it, this storm also reconfirmed that snow will easily accumulate on all surfaces, including roads (and even treated, heavily traveled roads) at above 32F temps after a warm previous day and after a bunch of rain had fallen, as long as there is enough intensity.  The equation governing this is so simple: accumulation rate = snowfall rate - melting rate. And accumulation is only a challenge initially, when there's bare/wet ground at 33-34F, which is why the snowfall rate needs to be greater to overcome that initial melting rate; once there's a layer of snow/slush on the ground, the new "ground" is 32F snow/slush meaning the melting rate is far less than for bare ground and subsequent snow will accumulate easily (as 33-34F air does minimal melting of snow given air has 1/20th the heat transfer coefficient of wet ground).  There are certainly times where the intensity isn't enough to overcome that initial melting rate and we get a white rainstorm.  This wasn't one of them.  I think the problems people further SE had with accumulating were due to not getting snow until after sunrise (ours started at 4:30 am) and then not getting good enough consistent intensity to get more than 2-3", as there was major subsidence and less intensity along/SE of 95 after about 8:30 am (the NW areas "stole" all the good intensity lol).  

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13 hours ago, Blizzard-on-GFS said:

One thing I’ve learned from this is if temperatures are iffy, always use the snow depth snow maps, or look at soundings. Kuchera and 10-1 maps were completely off, even the 12z Kuchera this morning were printing out over 8 inches of snow for central New Jersey when most places in that area ended up with 1-2” at best. I remember last night the RGEM snow depth had about 1 to 3 inches for the area so it was pretty dang close and it was also pretty good for north and west areas where it had 6 to 8 inches modeled.

It's all about intensity in marginal setups (and getting snow instead of rain, lol - the changeover was delayed from about 276/195 southward where people really got a lot less than modeled and forecast by some) - see my latest post on that.  We got 6" in Metuchen with an 8.3:1 ratio and temps generally 33F for the storm.  Anyway, here's a good map on snowfall amounts.  Also, Bordentown is barely CNJ and much of CNJ got 5-8".  

1207141638208487424remix-1707875623793.png

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1 hour ago, RU848789 said:

It's all about intensity in marginal setups (and getting snow instead of rain, lol - the changeover was delayed from about 276/195 southward where people really got a lot less than modeled and forecast by some) - see my latest post on that.  We got 6" in Metuchen with an 8.3:1 ratio and temps generally 33F for the storm.  Anyway, here's a good map on snowfall amounts.  Also, Bordentown is barely CNJ and much of CNJ got 5-8".  

1207141638208487424remix-1707875623793.png

You certainly missed one besides intensity elevation played a huge role.  Look at the Fall line!  The heavy snow matched perfectly to the fall line snow 6"+ was north and west of the fall line. 

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7 hours ago, Kevin Reilly said:

You certainly missed one besides intensity elevation played a huge role.  Look at the Fall line!  The heavy snow matched perfectly to the fall line snow 6"+ was north and west of the fall line. 

Good point on elevation as it's always important, but I think the main reason areas 10-20 miles and more NW of 95 got a lot more snow with this system was that precip amounts were much greater not that they were at elevation; much of the 95 corridor from Trenton to NYC got stuck in a subsidence zone for 2-3 hours with much less snow falling, as per the radar in real time and the graphic below shows the stark difference of 0.4-0.6" QPF falling from 1 am to 1 pm (precip was over for everyone by then) for the whole 95 corridor from CNJ through NYC vs. 0.8-1.2" QPF for most of NEPA, NWNJ and the Hudson Valley. 

And this difference was even worse from 8:30-11:30 am, which was the prime time for heavy snow and we got only 1.5" during that time, which was less than we got during the one hour from 7:30-8:30 am (1.75" of snow) - I easily would've had 9-10" instead of 6" if I had gotten the precip amounts those NW of me got and I think the same is true for much of the 95 corridor locations from CNJ through NYC/NENJ - we would've kept snowing heavily and accumulating, if only we got the precip, but we didn't. 

Where elevation and temp certainly played a difference was the timing of the changeover to snow, as it was colder, earlier, further NW (not unusual in these setups).  We lost a few tenths of precip to rain before changing at 4:30 am, whereas areas well NW, changed 2-3 hours earlier, getting probably 1-2" more during that time (precip wasn't as heavy).  Also if it was just elevation playing a role, then why did so many locations SE of the fall line (I'm about 8-9 miles SE of it) even get 5-7", as in Middlesex/Somerset counties?  

As an aside, lack of precip intensity is almost certainly why areas from Philly SE through SNJ got very little snow (an inch or so near Philly and little to no snow SE of there.  The precip wasn't heavy enough early on to dynamically cool the column (plus they changed oer to snow even a few hours later than we did) and then by mid-morning, when temps were finally cooler, the precip still wasn't heavy enough.  

OKBsO4f.png

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11 minutes ago, RU848789 said:

Good point on elevation as it's always important, but I think the main reason areas 10-20 miles and more NW of 95 got a lot more snow with this system was that precip amounts were much greater not that they were at elevation; much of the 95 corridor from Trenton to NYC got stuck in a subsidence zone for 2-3 hours with much less snow falling, as per the radar in real time and the graphic below shows the stark difference of 0.4-0.6" QPF falling from 1 am to 1 pm (precip was over for everyone by then) for the whole 95 corridor from CNJ through NYC vs. 0.8-1.2" QPF for most of NEPA, NWNJ and the Hudson Valley. 

And this difference was even worse from 8:30-11:30 am, which was the prime time for heavy snow and we got only 1.5" during that time, which was less than we got during the one hour from 7:30-8:30 am (1.75" of snow) - I easily would've had 9-10" instead of 6" if I had gotten the precip amounts those NW of me got and I think the same is true for much of the 95 corridor locations from CNJ through NYC/NENJ - we would've kept snowing heavily and accumulating, if only we got the precip, but we didn't. 

Where elevation and temp certainly played a difference was the timing of the changeover to snow, as it was colder, earlier, further NW (not unusual in these setups).  We lost a few tenths of precip to rain before changing at 4:30 am, whereas areas well NW, changed 2-3 hours earlier, getting probably 1-2" more during that time (precip wasn't as heavy).  Also if it was just elevation playing a role, then why did so many locations SE of the fall line (I'm about 8-9 miles SE of it) even get 5-7", as in Middlesex/Somerset counties?  

As an aside, lack of precip intensity is almost certainly why areas from Philly SE through SNJ got very little snow (an inch or so near Philly and little to no snow SE of there.  The precip wasn't heavy enough early on to dynamically cool the column (plus they changed oer to snow even a few hours later than we did) and then by mid-morning, when temps were finally cooler, the precip still wasn't heavy enough.  

ou

100% agree with this here in Media we had 2" an hour from basically 6:30 to 8:00 am then it slacked off from 8:30 to 9:15 or so and those further north and west continued onward with their 2" an hour rates a little disappointing, but honestly it was all rain for us lowlanders 15 hours prior so take what you can get!

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