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March 2021


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4 hours ago, weathermedic said:

Doesn’t seem as windy as predicted, or is it still a little early for the strongest winds?

Its Windy.  The thud I heard in my backyard a short time ago was the cupola that blew off my garage roof crashing to the ground.  The whole house shook on that gust and then the thud.  Oh yeah, its windy. 

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A few reports of max wind gusts 40KT or greater between roughly 2A-450A March 13, 2021  Haven't seen any LSR's yet but am sure there will be a few. My max gust in Wantage NJ was 37 KT (43 MPH). Also appended recent Mesonet graphics from NYS and NJ.

 

KBAF: Westfield, Barnes Municipal Airport, MA, United States [42kt, 22m/s]

KBDL: Windsor Locks, Bradley Intl Arpt, CT, United States [41kt, 21m/s]

KBED: Bedford, Hanscom Field, MA, United States [42kt, 22m/s]

KCEF: Chicopee Falls / Westover AFB, MA, United States [40kt, 21m/s]

KEWB: New Bedford, New Bedford Regional Airport, MA, United States [41kt, 21m/s]

KEWR: Newark, Newark Intl Arpt, NJ, United States [46kt, 24m/s]

KFIT: Fitchburg, Fitchburg Municipal Airport, MA, United States [41kt, 21m/s]

KFOK: Westhampton Beach, NY, United States [48kt, 25m/s]

KGON: Groton/New London, CT, United States [43kt, 22m/s]

KHPN: White Plains, NY, United States [41kt, 21m/s]

KHWV: Shirley, Brookhaven Airport, NY, United States [40kt, 21m/s]

KJFK: JFK Intl Arpt, NY, United States [47kt, 24m/s]

KLGA: New York, La Guardia Airport, NY, United States [47kt, 24m/s]

KMPO: Mount Pocono, PA, United States [44kt, 23m/s]

KMQE: East Milton, MA, United States [47kt, 24m/s]

KORH: Worcester, Worcester Regional Airport, MA, United States [42kt, 22m/s]

KPSF: Pittsfield, Pittsfield Municipal Airport, MA, United States [40kt, 21m/s]

KPVD: Providence, RI, United States [41kt, 21m/s]

KPYM: Plymouth, MA, United States [41kt, 21m/s]

KSWF: Newburgh / Stewart, NY, United States [41kt, 21m/s]

KTAN: Taunton, Taunton Municipal Airport, MA, United States [40kt, 21m/s]

 

Screen Shot 2021-03-13 at 4.56.34 AM.png

Screen Shot 2021-03-13 at 4.57.57 AM.png

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12 hours ago, CIK62 said:

Notice coastal areas stayed out of the ocean air today.          My highs here were    64,51,60,(68 today}

)1615579200-XyJtEf9wYJk.png

..."thats correct sir"..

was down @ the ocean yesterday around 3pm..car temp was 63*..wind was west..

very mild in westhampton dunes..

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The next 8 days are averaging 41degs.(33/49), or -3.0.

The GFS back to No Snow.        Another 70+ outbreak around the 24th.        EURO has 3" between 16th---19th.        CMC has 6" on the 19th and lowest T's overall.

34*(35%RH) here at 6am.      33* at 6:30am.    (was 53* back at midnight!)    35* by 9am.         40* by Noon.        47* by 3pm.        49* by 4pm.      50* by 5pm.      43* by 11pm.

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Morning thoughts...

Overnight, cooler air began pushing into the region on gusty winds. Nevertheless, New York City’s Central Park set a record high minimum temperature for March 12 with a low temperature of 52°. That beat the previous record of 50°, which had been set way back in 1898.

Today will be fair, windy and noticeably cooler than yesterday. Temperatures will likely top out mainly in the upper 40s and lower 50s in most of the region. Likely high temperatures around the region include:

New York City (Central Park): 49°

Newark: 50°

Philadelphia: 52°

Tomorrow will be a seasonably cool day. The March 16-19 period could offer a period of opportunity for a light snow event in parts of the region.

Out west, a major to perhaps historic snowstorm will get underway and continue through late tomorrow night or early Monday. Denver will likely experience an 8”-16” snowfall. Cheyenne remains on track to pick up 20”-30” of snow. 

March Snowfall Records:

Daily: 15.9”, March 18, 2003; 2-Day: 17.2”, March 17-18, 2003; 3-Day: 18.9”, March 5-7, 1990

All-Time Snowfall Records:

Daily: 19.8”, November 20, 1979; 2-Day: 25.2”, November 20-21, 1979; 3-Day: 25.6”, November 19-21, 1979

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000
NOUS41 KOKX 131147
PNSOKX
CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-132335-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
647 AM EST SAT MAR 13 2021

...HIGHEST WIND GUST REPORTS...

LOCATION                     SPEED     TIME/DATE       PROVIDER             

...CONNECTICUT...

...FAIRFIELD COUNTY...
BRIDGEPORT AIRPORT           43 MPH    1249 AM 03/13   ASOS                 
BRIDGEPORT                   43 MPH    0115 AM 03/13   CWOP                 

...MIDDLESEX COUNTY...
CHESTER AIRPORT              40 MPH    0515 AM 03/13   AWOS                 

...NEW HAVEN COUNTY...
STONY CREEK                  51 MPH    1255 AM 03/13   CWOP                 
LIGHTHOUSE POINT             45 MPH    1154 PM 03/12   WXFLOW               
WATERBURY AIRPORT            41 MPH    1106 PM 03/12   AWOS                 
HAMMONASSET                  41 MPH    1154 PM 03/12   WXFLOW               

...NEW LONDON COUNTY...
GROTON AIRPORT               49 MPH    0255 AM 03/13   ASOS                 

...NEW JERSEY...

...BERGEN COUNTY...
FAIR LAWN                    41 MPH    1254 AM 03/13   CWOP                 
TETERBORO AIRPORT            41 MPH    0154 AM 03/13   ASOS                 

...HUDSON COUNTY...
BAYONNE                      43 MPH    0345 AM 03/13   WXFLOW               

...UNION COUNTY...
NEWARK AIRPORT               53 MPH    1249 AM 03/13   ASOS                 
LINDEN AIRPORT               43 MPH    0215 AM 03/13   AWOS                 

...NEW YORK...

...KINGS COUNTY...
BROOKLYN COLLEGE             49 MPH    0105 AM 03/13   NYSM                 
SHEEPSHEAD BAY               41 MPH    0145 AM 03/13   CWOP                 

...NASSAU COUNTY...
BAYVILLE                     52 MPH    0121 AM 03/13   WXFLOW               
WANTAGH                      44 MPH    0110 AM 03/13   NYSM                 

...NEW YORK COUNTY...
MIDTOWN MANHATTAN            50 MPH    0245 AM 03/13   NYSM                 

...ORANGE COUNTY...
STEWART AIRPORT              47 MPH    1245 AM 03/13   AWOS                 
VAILS GATE                   44 MPH    1211 AM 03/13   CWOP                 
NEWBURGH                     43 MPH    1031 PM 03/12   CWOP                 
WARWICK                      41 MPH    1215 AM 03/13   NYSM                 
MONTGOMERY AIRPORT           40 MPH    0116 AM 03/13   AWOS                 

...PUTNAM COUNTY...
BREWSTER                     49 MPH    1145 PM 03/12   NYSM                 

...QUEENS COUNTY...
NYC/LA GUARDIA               54 MPH    0110 AM 03/13   ASOS                 
NYC/JFK AIRPORT              54 MPH    0245 AM 03/13   ASOS                 
KEW GARDEN HILLS             48 MPH    0120 AM 03/13   NYSM                 
JACKSON HEIGHTS              46 MPH    0243 AM 03/13   CWOP                 
NYC/JFK                      41 MPH    0246 AM 03/13   ASOS                 

...RICHMOND COUNTY...
COLLEGE OF STATEN ISLAND     43 MPH    0115 AM 03/13   NYSM                 

...ROCKLAND COUNTY...
SUFFERN                      50 MPH    0230 AM 03/13   NYSM                 

...SUFFOLK COUNTY...
EATONS NECK                  61 MPH    1235 AM 03/13   WXFLOW               
WESTHAMPTON AIRPORT          55 MPH    1226 AM 03/13   ASOS                 
GREAT GULL ISLAND            52 MPH    0318 AM 03/13   WXFLOW               
SOUTHOLD                     50 MPH    0423 AM 03/13   CWOP                 
NAPEAGUE                     49 MPH    0359 AM 03/13   WXFLOW               
SOUTHOLD                     47 MPH    0340 AM 03/13   NYSM                 
SHIRLEY AIRPORT              46 MPH    0202 AM 03/13   ASOS                 
RIDGE                        45 MPH    1245 AM 03/13   CWOP                 
WEST GILGO BEACH             45 MPH    0338 AM 03/13   CWOP                 
MECOX BAY                    45 MPH    0419 AM 03/13   WXFLOW               
ISLIP AIRPORT                44 MPH    0237 AM 03/13   ASOS                 
FARMINGDALE AIRPORT          41 MPH    0155 AM 03/13   ASOS                 
GREAT SOUTH BAY              41 MPH    0226 AM 03/13   WXFLOW               
FISHERS ISLAND AIRPORT       40 MPH    0442 AM 03/13   WXFLOW               

...WESTCHESTER COUNTY...
WHITE PLAINS AIRPORT         47 MPH    0142 AM 03/13   ASOS                 
TAPPAN ZEE LIGHT 14          45 MPH    0233 AM 03/13   WXFLOW               
PEEKSKILL                    44 MPH    0158 AM 03/13   CWOP                 
CROTON                       43 MPH    0218 AM 03/13   WXFLOW               
SOMERS                       40 MPH    1140 PM 03/12   NYSM                 

...CONNECTICUT...

...MARITIME STATIONS...
USCG ACADEMY                 52 MPH    0346 AM 03/13   WXFLOW               
1 ESE NORWALK                48 MPH    0118 AM 03/13   WXFLOW               
STONGINGTON OUTER BREAKWATER 46 MPH    0349 AM 03/13   WXFLOW               
2 SSE NEW HAVEN              45 MPH    1212 AM 03/13   NOS-PORTS            

...NEW YORK...
LARCHMONT HARBOR             48 MPH    0311 AM 03/13   WXFLOW               
FIRE ISLAND CG               48 MPH    0206 AM 03/13   WXFLOW               
ROBBINS REEF, NJ             47 MPH    0312 AM 03/13   NOS-PORTS            
SHINNECOCK                   45 MPH    1219 AM 03/13   WXFLOW               
POINT O WOODS YC             44 MPH    0130 AM 03/13   WXFLOW               
CITY ISLAND                  41 MPH    0216 AM 03/13   CWOP                 
&&

 

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The low humidity season has arrived right on time. We typically see the driest conditions of the year around March. The 13% reading at Newark was the lowest of the year so far.

https://mesonet.agron.iastate.edu/plotting/auto/?_wait=no&q=157&network=NJ_ASOS&station=EWR&year=2018&var=min_rh&dir=above&thres=95&dpi=100&_fmt=png

Newark Liberty MOSUNNY   70  18  13 

8C9D570D-EEEB-47F5-95BE-54D74DD995B5.png.5eee56d61f70590aa39f4a78aa583eb4.png

B752FCE1-3298-4F62-ADFB-CB470ED51379.png.f62b724695751b9de7afa0467c3c8097.png

D2265EB8-BB00-411C-8E91-8168B42B0012.png.c2b25dbe284363fab389986ccbf036e0.png

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1 hour ago, crossbowftw3 said:

Keeping abreast of the developing situation for today’s event in Texas. First moderate risk of the season and a decent parameter space to back it up. We will see what happens later. 

is there a place people use to find who is stormchasing something like this?

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17 hours ago, CIK62 said:

Notice coastal areas stayed out of the ocean air today.          My highs here were    64,51,60,(68 today}

)1615579200-XyJtEf9wYJk.png

I was just studying this map.  If I'm reading it correctly , the 2m temps just few miles SW of that 63 in the Hamptons was in the low-mid 40s, colder than anyplace else on the map.  Any reason to think that wouldn't be accurate, or any reason what would cause temps to be notably lower in that area?  Just curious.

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WIND ALERT.                50MPH GUSTs FROM THE NW.            PEAKS ABOUT THIS TIME TOMORROW.            There could be a repeat of this on Friday, but with SW gusts instead.

1615759200-w114aBOMT6c.png

 

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A -10 dewpoint on Monday would be near the record lowest for mid-March.

 

KEWR   GFS MOS GUIDANCE    3/13/2021  1200 UTC                      
 DT /MAR  13/MAR  14                /MAR  15                /MAR  16 
 HR   18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 06 12 
 N/X                    33          55          22          40    26 
 TMP  47 48 43 40 38 36 36 44 52 51 43 34 28 24 23 31 38 39 32 29 28 
 DPT   8  9 14 19 21 21 22 21 17 12  9  6  4  2 -1 -6-10-10 -6  7 11 
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Cooler weather moved back into the region overnight. Tomorrow will be partly sunny, windy, and seasonably cool. A strong cold front will move across the region bringing some clouds. There could be an isolated sprinkle.

Monday will be the coldest day of the week and possibly the coldest day until at least late next fall. Since 1990, 73% of cases that saw a high temperature of 70° or above during March 1-15 were followed by a low temperature of 32° or below during the following two weeks. 54% of such cases saw a low temperature below 30° during the following two weeks and 27% saw the temperature fall below 25°. The mean lowest temperature during the following two weeks was 29°. Monday's fairly strong cold shot is consistent with recent historical experience. In addition, the March 16-19 period could offer a period of opportunity for a light snow event in parts of the region.

Next weekend could mark the start of a new warming trend. Since 1950, nearly 60% of days two weeks after the AO reached +3.000 or above in the March 1-15 period were warmer than when the AO reached +3.000 or above. The AO reached +3.000 on March 10. The mean increase was 2.8°. This suggests that it is more likely than not that the closing week of March could see a return to warmer conditions.

Out west, a major to perhaps historic snowstorm will continue into late tomorrow or early Monday. Denver, Cheyenne, and possibly Casper, as well as the Nebraska Panhandle, will likely see heavy snowfall. Denver will likely pick up 8"-16" of snow. Cheyenne will likely see 20"-30" of snow. That would set a new March record and could challenge that Cheyenne's all-time record snowstorm amount.

Cheyenne's March Snowfall Records:

Daily: 15.9”, March 18, 2003; 2-Day: 17.2”, March 17-18, 2003; 3-Day: 18.9”, March 5-7, 1990

Cheyenne's All-Time Snowfall Records:

Daily: 19.8”, November 20, 1979; 2-Day: 25.2”, November 20-21, 1979; 3-Day: 25.6”, November 19-21, 1979  

The ENSO Region 1+2 anomaly was +0.2°C and the Region 3.4 anomaly was -0.7°C for the week centered around March 3. For the past six weeks, the ENSO Region 1+2 anomaly has averaged -0.43°C and the ENSO Region 3.4 anomaly has averaged -0.87°C. La Niña conditions will likely prevail at least through most of March. Afterward, neutral-cool ENSO conditions will likely develop as the spring progresses.

The SOI was -11.68 today. The SOI had recently been negative for 10 consecutive days. That development could be an early indication that what has been a fairly stable La Niña regime throughout the winter could be moving closer to its end stages.

The preliminary Arctic Oscillation (AO) figure was +4.329 today.

On March 12 MJO data was not available. The March 11-adjusted amplitude was 1.297 (RMM).

The significant December 16-17 snowstorm during what has been a blocky December suggests that seasonal snowfall prospects have increased especially from north of Philadelphia into southern New England. At New York City, there is a high probability based on historic cases that an additional 20" or more snow will accumulate after December. Since January 1, New York City has picked up 28.1" snow.

Winters that saw December receive 10" or more snow, less than 10" in January, and then 10" or more in February in New York City, saw measurable snowfall in March or April in 83% of cases. Winter 2009-2010 was the exception where only a trace of snow was recorded. This group of winters saw 6" or more snow during the March-April period in 50% of the cases. All said, it is more likely than not that there will be measurable snowfall after February.  

Based on sensitivity analysis applied to the latest guidance, there is an implied 52% probability that New York City will have a warmer than normal March. March will likely finish with a mean temperature near 42.9° (0.4° above normal).

 

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On 3/12/2021 at 5:52 PM, bluewave said:

The droughts between 1995 and 2002 were impressive. That was the last time that NYC had water restrictions. 2010 wasn’t as dry.  All our droughts since 2003 have been shorter  and less severe than those years. 1966 was in a class by itself. It’s estimated  that the drought in the 1960s was the worst in 300 to 400 years.

C1362DA4-1586-4A66-9FC9-DE2B33889E7B.png.351eb5212a135a20e539d0e38c4f0237.png

65668080-55D1-4916-B236-56BE7B8EE7EE.jpeg.8055beefa5fa5652672aeb390056ea96.jpeg

 

 

wow 1966 really dropped off the cliff.....was that graph compiled using tree ring data?

 

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On 3/12/2021 at 10:01 PM, doncat said:

Greetings...Last two days high temps here were 73° yesterday, which was a station record and 69° today. Humidity got down to 17% this afternoon and 24% currently, which is pretty unusual for this hour around these parts.

Do you have any low humidity records for your station?

 

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17 hours ago, bluewave said:

The low humidity season has arrived right on time. We typically see the driest conditions of the year around March. The 13% reading at Newark was the lowest of the year so far.

https://mesonet.agron.iastate.edu/plotting/auto/?_wait=no&q=157&network=NJ_ASOS&station=EWR&year=2018&var=min_rh&dir=above&thres=95&dpi=100&_fmt=png


Newark Liberty MOSUNNY   70  18  13 

8C9D570D-EEEB-47F5-95BE-54D74DD995B5.png.5eee56d61f70590aa39f4a78aa583eb4.png

B752FCE1-3298-4F62-ADFB-CB470ED51379.png.f62b724695751b9de7afa0467c3c8097.png

D2265EB8-BB00-411C-8E91-8168B42B0012.png.c2b25dbe284363fab389986ccbf036e0.png

JFK must have been really low too, especially when they hit 70.

Funny, I thought October had the driest air.

 

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The next 8 days are averaging 41degs.,(33/49), or about -3 0.

Just a Trace of Snow showing on the CMC/EURO.       Strong nw. winds this PM and evening.

42*(37%RH) at 7am.[DST].         46* by 10am.         51* by 1pm.         52* by 4pm.       46* by 5pm.        41* by 6pm.        33* by 11pm.

 

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Wind gusts may beat expectations with the Arctic front this afternoon. Temperatures rise into the 50s with low dewpoints and steep lapse rates to near 750mb. So there could be some gusts over 50 mph with the MOS temperatures warmer than the raw soundings.

KEWR   GFS MOS GUIDANCE    3/14/2021  0600 UTC                      
 DT /MAR  14      /MAR  15                /MAR  16             /     
 HR   12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 00 06 
 X/N              57          18          39          24       42    
 TMP  39 49 54 52 43 33 25 20 19 29 36 38 33 29 28 26 26 35 40 40 35 


0016BF35-BC53-424D-AAE0-898111C0A70B.thumb.png.5f9e6a5e921d8666ff0a4f3ecdcd13a1.png

 

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