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The March 5-7 White Lion Obs/Nowcasting Thread


Ji

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ZCZC NFDSPENES ALL

SPENES

MDZ000-VAZ000-DCZ000-WVZ000-

.

SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 03/06/13 0609Z

SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404

LATEST DATA USED: GOES-13 0545Z CW

.

LOCATION...MARYLAND...VIRGINIA...DISTRICT OF COLUMBIA...WEST VIRGINIA...

.

ATTN WFOS...AKQ...LWX...RNK...PBZ...RLX...

ATTN RFCS...MARFC...OHRFC...

.

EVENT...MOD/HVY SNOWS

.

SATELLITE ANALYSIS AND TRENDS...WATER VAPOR LOOP SHOWS CLEAR AND DEFINED

BLOCKING PATTERN SETUP ACROSS THE NRN ATLANTIC WITH MULTIPLE AREAS OF LOW

PRESSURE ALIGNED W TO E. THIS BLOCKING IS HELPING TO PREVENT STORM SYSTEM

ACROSS OHIO RIVER VALLEY AND MID ATLANTIC TO SLOW ITS ENE PROGRESSION.

THIS SETUP IS KEEPING THE WEAKENING BAROCLINIC ZONE OVER IN/OH/WRN WV

AND NEWLY FORMING COMMA HEAD (FROM DEVELOPING SFC LOW OVER NC) ACROSS

ERN VA/CENTRAL NRN VA/WRN AND CENTRAL MD/DC RATHER QUASI-STATIONARY AND

ORIENTED W TO E. STRONG SHORTWAVE/PV ANOMALY IS SEEN RACING EWD AND OVER

KY/TN ATTM. THIS UL FEATURE SHOULD FURTHER ENHANCE UVVS ALONG THE COMMA

HEAD CLOUD SIGNATURE OVER THE NEXT 3-6 HRS. BELIEVE WITHIN THIS AREA

OF THE STORM SYSTEM...AHEAD OF PV ANOMALY... IS WHERE THE BEST CHANCE

FOR INTENSE MESO SNOW BANDS MIGHT SETUP AND TRACK S TO N OVER THE NEXT

SEVERAL HRS FROM W-CENTRAL TO CENTRAL VA INTO NE WV/WRN AND CENTRAL MD/DC.

.

AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION THREAT AREA

SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED BELOW IN APPROXIMATELY

10-15 MINUTES.

.

SHORT TERM OUTLOOK VALID 0610-1210Z...MEDIUM CONFIDENCE FACTOR IN SHORT

TERM OUTLOOK...AXIS OF HEAVIEST SNOWS THROUGH 12Z LIKELY TO SETUP ACROSS

A STRETCHED OUT AREA FROM W-CENTRAL TO CENTRAL VA/NE WV/WRN AND CENTRAL

MD/DC AS COMMA HEAD CLOUD SIGNATURE NOT LIKELY TO PROGRESS MUCH FURTHER N

DUE TO BLOCKING SCENARIO. APPROACHING SHORTWAVE/PV ANOMALY SHOULD HELP

FUEL HEAVY SNOWFALL RATES FOR THIS AREA WITH 1-2"/HR AND SOME LOCALLY

2"+/HR RATES IN THE MOST INTENSE MESO BANDS.

.

....NESDIS IS A MEMBER OF 12 PLANET....

.

FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE

PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL

[email protected]

.

FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB:

http://www.ssd.noaa.gov/PS/PCPN/

.

FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB:

http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php

.

LAT...LON 3965 7766 3927 7655 3833 7689 3776 7833 3778 8022

3938 8037

.

NNNN

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32 degrees with more or less steady mod snow. Looks like an inch on the grass and bushes. An area of my concrete back porch is white. Portions of the street in front of my house are preconsolidating. Preconsolidation is the term I use to refer to when snow is slushing up on the paved surface, not reflecting light as a wet road does, and getting ready to turn white from ongoing snow rates.

 

LOL. You gotta love when Jebman has a new word for us snow weenies.

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I think you guys are wrong about those maps not having personal touch from NWS...they stated they had tech issues and their latest map is their last for a while..VIA FB....FLurries in Essex MD

 

If a person is responsible for those maps...they should remain anonymous. I wouldn't want to take responsibility for that disastrous/schizophrenic crap.

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Starting to pour snow in NW DC. Just started sticking to cars and the railing on a deck.  Yes!!! Earlier,  Really didn't expect snow here till tomorrow afternoon. 

 

we're going to get so destroyed

 

i dont even have anything else to say for now

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we're going to get so destroyed

 

i dont even have anything else to say for now

 

The only bad thing is it's making me want to take up smoking again.. Not sure why, but suddenly those cravings are back after a few years.

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The only bad thing is it's making me want to take up smoking again.. Not sure why, but suddenly those cravings are back after a few years.

 

ive been pacing around most of the night. i cant sit still.

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