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PHL JAN 20/21 Obs and Discussion Thread


tombo82685

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000
NOUS41 KPHI 211306
PNSPHI
DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-067>071-212100-

PUBLIC INFORMATION STATEMENT
SPOTTER REPORTS
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
805 AM EST FRI JAN 21 2011

THE FOLLOWING ARE UNOFFICIAL OBSERVATIONS TAKEN DURING THE PAST 12 
HOURS FOR THE STORM THAT HAS BEEN AFFECTING OUR REGION.  
APPRECIATION IS EXTENDED TO HIGHWAY DEPARTMENTS...COOPERATIVE 
OBSERVERS...SKYWARN SPOTTERS AND MEDIA FOR THESE REPORTS.  THIS 
SUMMARY IS ALSO AVAILABLE ON OUR HOME PAGE AT WEATHER.GOV/PHI


********************STORM TOTAL SNOWFALL********************

LOCATION          STORM TOTAL     TIME/DATE   COMMENTS                   
                    SNOWFALL           OF 
                    /INCHES/   MEASUREMENT

DELAWARE

...NEW CASTLE COUNTY...
  HOCKESSIN              1.8   604 AM  1/21                          
  GREENVILLE             0.7   548 AM  1/21                          
  WILMINGTON ASOS        0.6   700 AM  1/21                          
  GLASGOW                0.5   720 AM  1/21                          
  TALLEY BROOK           0.4   603 AM  1/21                          
  CLAYMONT               0.4   604 AM  1/21                          
  NEWARK                 0.3   605 AM  1/21                          

NEW JERSEY

...ATLANTIC COUNTY...
  PLEASANTVILLE            T   700 AM  1/21                          
  ATLANTIC CITY ASOS       T   700 AM  1/21                          

...BURLINGTON COUNTY...
  MOUNT LAUREL           1.5   656 AM  1/21                          
  MOUNT HOLLY            1.1   700 AM  1/21                          
  WRIGHTSTOWN            1.0   700 AM  1/21                          

...CAMDEN COUNTY...
  PENNSAUKEN             1.3   729 AM  1/21                          

...GLOUCESTER COUNTY...
  VERGA                  1.5   701 AM  1/21                          
  NATIONAL PARK          0.6   700 AM  1/21                          
  GLASSBORO              0.3   728 AM  1/21                          

...MERCER COUNTY...
  EWING                  3.8   549 AM  1/21                          
  YARDVILLE              2.5   624 AM  1/21                          
  WASHINGTON CROSSING    2.0   700 AM  1/21                          

...MIDDLESEX COUNTY...
  CHEESEQUAKE            3.9   730 AM  1/21                          
  FORDS                  3.5   725 AM  1/21                          
  EAST BRUNSWICK         3.5   717 AM  1/21                          
  METUCHEN               2.6   610 AM  1/21                          
  PLAINSBORO             2.5   610 AM  1/21                          

...MONMOUTH COUNTY...
  CREAM RIDGE            1.6   638 AM  1/21                          

...MORRIS COUNTY...
  BUTLER                 4.0   732 AM  1/21                          
  LONG HILL TWP          4.0   615 AM  1/21                          

...SOMERSET COUNTY...
  NESHANIC               4.0   715 AM  1/21                          
  NW BRIDGEWATER TWP     4.0   746 AM  1/21                          
  HILLSBOROUGH           3.3   730 AM  1/21                          

...SUSSEX COUNTY...
  SPARTA                 4.5   750 AM  1/21                          
  WANTAGE                4.0   715 AM  1/21                          

...WARREN COUNTY...
  HACKETTSTOWN           4.5   613 AM  1/21                          
  BLAIRSTOWN             4.5   600 AM  1/21                          
  PHILLIPSBURG           3.5   651 AM  1/21                          
  RIEGELSVILLE           3.5   730 AM  1/21                          

PENNSYLVANIA

...BERKS COUNTY...
  BECHTELSVILLE          4.0   805 AM  1/21

...BUCKS COUNTY...
  PERKASIE               4.0   700 AM  1/21                          
  QUAKERTOWN             3.8   727 AM  1/21                          
  MORRISVILLE            3.2   624 AM  1/21                          
  BENSALEM               2.7   630 AM  1/21                          
  FEASTERVILLE           2.4   724 AM  1/21                          

...CARBON COUNTY...
  LEHIGHTON              5.0   800 AM  1/21                          

...CHESTER COUNTY...
  EAST NANTMEAL          4.0   726 AM  1/21                          
  HONEY BROOK            2.5   700 AM  1/21                          

...DELAWARE COUNTY...
  DREXEL HILL            1.7   721 AM  1/21                          
  GARNET VALLEY          1.0   709 AM  1/21                          

...LEHIGH COUNTY...
  MACUNGIE               4.8   723 AM  1/21                          
  EMMAUS                 4.6   736 AM  1/21                          
  ALLENTOWN              4.4   700 AM  1/21                          

...MONTGOMERY COUNTY...
  MONTGOMERYVILLE        4.1   758 AM  1/21                          
  HORSHAM                3.3   635 AM  1/21                          
  KING OF PRUSSIA        3.2   632 AM  1/21                          
  CONSHOHOCKEN           3.0   700 AM  1/21                          
  POTTSTOWN              3.0   705 AM  1/21                          
  BRYN MAWR              2.2   715 AM  1/21                          
  WYNNEWOOD              2.1   535 AM  1/21                          

...NORTHAMPTON COUNTY...
  BANGOR                 4.8   725 AM  1/21                          
  BERLINSVILLE           4.5   630 AM  1/21                          
  MARTINS CREEK          3.8   600 AM  1/21                          
  EASTON                 3.8   714 AM  1/21                          

...PHILADELPHIA COUNTY...
  MANAYUNK               2.0   721 AM  1/21                          
  PHILADELPHIA           0.6   700 AM  1/21                          


**********************24 HOUR SNOWFALL**********************

LOCATION              24 HOUR     TIME/DATE   COMMENTS                   
                    SNOWFALL           OF 
                    /INCHES/   MEASUREMENT

NEW JERSEY

...HUNTERDON COUNTY...
  3 N LEBANON            4.5   600 AM  1/21  COCORAHS                

...MERCER COUNTY...
  1 ESE EWING TWP        3.8   559 AM  1/21  COCORAHS                

...WARREN COUNTY...
  2 SE BLAIRSTOWN TWP    5.3   700 AM  1/21  COCORAHS                
  2 WSW LIBERTY TWP      4.2   500 AM  1/21  COCORAHS                

PENNSYLVANIA

...DELAWARE COUNTY...
  NE DREXEL HILL         1.7   630 AM  1/21  COCORAHS                

...MONTGOMERY COUNTY...
  SSW HATFIELD           3.0   600 AM  1/21  COCORAHS                

...NORTHAMPTON COUNTY...
  E MARTINS CREEK        3.8   700 AM  1/21  COCORAHS                

$$

VJM

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GEM wasn't too wet in my opinion. I think it was right on as well.

0.20"-0.40" across most of eastern PA for the past 36-48 hours.

I was thinking of back when it had the bomb. Even back then, the GFS was pretty close to what ended up happening, and the EC was too dry just about throughout.

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I am impressed to say that overall, the GFS seems to have done best QPF wise by far. In between the flaky but generaly wet NAM and GEM, and the dry EC...

Really can't use the nam or can rgem qpf as is, the nam's bias the last month has been hovering around 1.5. Even the nam's "hit" for sern nj on 1/8 only looked good because the ratios were 20:1. Doesn't take anything away from the nam's ability to identify precip patterns or sweet spots.

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I was thinking of back when it had the bomb. Even back then, the GFS was pretty close to what ended up happening, and the EC was too dry just about throughout.

True....I forgot about the bomb early on....still, the past 2 days were in the ballpark. GFS was the steadiest throughout. Let this be a lesson to those who freaked out when QPF dropped right before the storm hit last night. Its not always panic time.

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Really can't use the nam or can rgem qpf as is, the nam's bias the last month has been hovering around 1.5. Even the nam's "hit" for sern nj on 1/8 only looked good because the ratios were 20:1. Doesn't take anything away from the nam's ability to identify precip patterns or sweet spots.

I guess I'm more impressed by the GFS beating the EC overall.

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True....I forgot about the bomb early on....still, the past 2 days in the ballpark. GFS was the steadiest throughout. Let this be a lesson to those who freaked out when QPF dropped right before the storm hit last night. Its not always panic time.

I was worried but didn't back down, since I remembered the models did the exact same thing right before 1/11.

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I was worried but didn't back down, since I remembered the models did the exact same thing right before 1/11.

I thought 2.5" max around here and in Trenton. Shocked Trenton got almost 4" while Philly saw less than an inch. I obviously don't got the snow climo of Trenton down to well. I was associating it more with Philly, then say the northwest suburbs of PHL.

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True....I forgot about the bomb early on....still, the past 2 days were in the ballpark. GFS was the steadiest throughout. Let this be a lesson to those who freaked out when QPF dropped right before the storm hit last night. Its not always panic time.

Models still have spin-up the qpf problems within the first 12 hours. Much improved from how it used to be. Probably the best qpf are usually about 24 hours before the event begins.

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I am such a snow weenie!!! LOL

as soon as Mt Holly dropped our WWA i went to bed radar looked like it was going North to my untrained eye!

Woke up at 4 and saw a few flakes fly!!!

I have truly enjoyed reading the PBP of the Obs you all are the greatest, i actually felt like i was in the storm reading the posts! Thanks

Just pissed that my 3.5" snow pack is now gone! couple patches in the shady areas of yard but that's all!

On to the next one!

Again Thanks

Officially @ Dover rain to a few flakes!

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M.Gorse FTW!

at least it wasn't too much to shovel down here in delaware county

Thanks, but the non-snow precipitation ended up coming much farther inland than what we had. At least the forecast was trended in the right direction yesterday afternoon. If it was colder and rain did not occur for a time, more snow would have been able to stick at PHL.

By the way, 1.6 inches of snow in Delran Township, NJ.

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