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1/23-24 Randytastic Snowstorm Part 2 STORM MODE THREAD


BxEngine

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21Z RPM destroys NYC into SNE again. Since were discussing the JMA and SREFS why not throw the RPM into the soup. This model will do that over and over then last minute pull the rug out from under you and laugh...if you're stupid enough to believe it in the first place. The GEFS 18Z bump north is interesting though. 00Z run suite will be a ride tonight

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CRITICAL WEATHER DAY STATUS...

CWD WILL BE DECLARED AT 21/1200Z AND EXTEND THROUGH 24/1200Z DUE
TO ANTICIPATED IMPACTS FROM A LATE WEEK WINTER STORM IMPACTING
THE U.S. EAST COAST.

IN SUPPORT OF MONITORING THE EVOLUTION OF A LATE WEEK WINTER
STORM EXPECTED TO IMPACT THE U.S. EAST COAST, SPECIAL SOUNDINGS
ARE REQUESTED BEGINNING TODAY AT 1800Z. ALL REGIONAL DIRECTORS
HAVE APPROVED THE SPECIAL SOUNDING RELEASE SCHEDULE BELOW. IF
THERE ARE ANY QUESTIONS, CONTACT YOUR REGION OR THE SDM.


*** SPECIAL SOUNDING REQUESTS ***

CENTRAL REGION: ENTIRE REGION FROM 20/1800Z TO 22/0600Z

SOUTHERN REGION: EXCLUDING TX AND FL...FROM TX EASTWARD BEGINNING
FROM 21/1800Z TO 22/1800Z.

EASTERN REGION: WFOs RNK, GSO, MHX, IAD, PIT, OKX, ALB, CHH
BEGINNING FROM 21/1800Z TO 23/0600Z.



READY/SDM/NCO/NCEP

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If either the Para Euro or NAM/JMA/RPM somehow verify there are going to be some insanely pissed off people in this area

 

Why would anyone be pissed off in this area, by which I assume you mean Tri-State, if the NAM/JMA/RPM verify? You mean because their forecasts busted hard? Most people would be insanely delighted I'd imagine.

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CRITICAL WEATHER DAY STATUS...

CWD WILL BE DECLARED AT 21/1200Z AND EXTEND THROUGH 24/1200Z DUE

TO ANTICIPATED IMPACTS FROM A LATE WEEK WINTER STORM IMPACTING

THE U.S. EAST COAST.

IN SUPPORT OF MONITORING THE EVOLUTION OF A LATE WEEK WINTER

STORM EXPECTED TO IMPACT THE U.S. EAST COAST, SPECIAL SOUNDINGS

ARE REQUESTED BEGINNING TODAY AT 1800Z. ALL REGIONAL DIRECTORS

HAVE APPROVED THE SPECIAL SOUNDING RELEASE SCHEDULE BELOW. IF

THERE ARE ANY QUESTIONS, CONTACT YOUR REGION OR THE SDM.

*** SPECIAL SOUNDING REQUESTS ***

CENTRAL REGION: ENTIRE REGION FROM 20/1800Z TO 22/0600Z

SOUTHERN REGION: EXCLUDING TX AND FL...FROM TX EASTWARD BEGINNING

FROM 21/1800Z TO 22/1800Z.

EASTERN REGION: WFOs RNK, GSO, MHX, IAD, PIT, OKX, ALB, CHH

BEGINNING FROM 21/1800Z TO 23/0600Z.

READY/SDM/NCO/NCEP

 

Ah so the Southern and Eastern Region get added today while it was just Central yesterday at 18Z. I noticed the sounding locations at 18Z yesterday were all central US for the most part. This is good news, that would greatly impact the 18Z suite today.

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Why would anyone be pissed off in this area, by which I assume you mean Tri-State, if the NAM/JMA/RPM verify? You mean because their forecasts busted hard? Most people would be insanely delighted I'd imagine.

 

You forget that we (wx-board members) are most definitely not normal people.

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latent heat release from the convection helps build ridging ahead of it

It also screws people down in the gulf states north of the convection. It's just another reason it's so hard to get a huge snow event in those locations because often times the system has convection by the Gulf that steals moisture

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here's the NAM at the start of the 2/5/10 event. the foot+ amounts fell inside the .75" line. if we can get inside that line on the models before this storm i will be excited

http://mp1.met.psu.edu/~fxg1/ARC/20100206/WRFEAST_0z/wrfloop.html

I had forgotten even the NAM was too generous on the north edge. Thats sort of common though that in these events that first contour or two are usually Virga

Notice how the 700mb higher RH more or less was your true snow line vs Virga

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