Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 241825
SPENES
ZCZC NFDSPENES ALL
SPENES
MEZ000-MAZ000-NHZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 01/24/15 1824Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-13 1815Z KUSSELSON
NOAA AMSU:1519Z 1425Z DMSP SSMIS:1352Z
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LOCATION...S MAINE...N MASSACHUSETTS...S NEW HAMPSHIRE...SE VERMONT...
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ATTN WFOS...CAR...GYX...BOX...
ATTN RFCS...NERFC...
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EVENT...MODERATE/OCCLY HVY SNOW FOR S NEW HAMPSHIRE THRU SOUTHERN MAINE...
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SATELLITE ANALYSIS AND TRENDS...AS PER LATEST GOES WATER LOOP AND UPPER
LEVEL WINDS MAIN TROUGH NOW EXTENDED FROM EASTERN LAKE ONTARIO THRU
CENTRAL PATO SOUTH CAROLINA.  OUT AHEAD WERE THOSE SUBTLE SHORT WAVES
STRETCHING NOW FROM THE S NJ TO SOUTHERN MAINE.  MOST VIGOROUS SHORT WAVE
EXHIBITING BEST LOOKING COMMA SIGNATURE WAS PASSING THROUGH INTERIOR SE
NY AND PRETTY MUCH MARKED THE ENDING OF SIGNIFICANT PRECIPITATION JUST
AHEAD OF IT NOW ACROSS NW CONNECTICUT AND WESTERN MA AND E CENTRAL NY.
BUT FURTHER OUT AHEAD OF THIS FEATURE, THE COMBO OF JETLET...SHORT
WAVE...MOISTURE AND WARM ADVECTION WERE TEAMING UP TO PRODUCE A NARROW
AREA OF MODERATE TO OCCLAY HVY SNOW MOSTLY FROM SE NEW HAMPSHIRE THRU
S CENTRAL MAINE AND INCREASING SNOWS FURTHER THRU DOWNEAST MAINE.
DEEP LAYERED MOISTURE PLUME OR CONCENTRATION OF HIGHEST WAS CENTERED
WELL OFFSHORE  COMING OFF THE CAROLINAS AND VA AND WILL CONTINUE TO STAY
WELL SOUTH OF SOUTHERN NEW ENGLAND...HOWEVER THIS HAD CONTINUED TO SET
UP A SHARP GRADIENT OF PRECIP WATER INTO THE COLDER AIR ACROSS CENTRAL
NEW ENGLAND INTO MAINE WHERE THIS WAS ADDING TO THE INSTABILITY... FOR
STEADY LIGHT TO MODERATE/OCCLY  HVY SNOWS.   FOR EXAMPLE ACUSHNET,
MA GPS HAD A PWAT OF 0.85"  WHILE GORHAM MAINE HAD A PWAT OF 0.60" AND
WITH COLD AIR IN THE LOWER LEVELS HOLDING ON...THOUGH NOT THE BEST FOR
HVY SNOW...CERTAINLY PRETTY GOOD TO STEADY LIGHT TO MODERATE SNOWS AND
WITH THE SHORT WAVES RIPPLING NORTHEAST COULD BE ENOUGH OF A RECIPE FOR
AN OCCL HVY SNOW BURST SE NH THRU SOUTHERN MAINE THRU 21Z AND PROBABLY
CUTTING OFF SOUTHERN NH BY THE END OF THE 18-21Z PERIOD..
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AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION
THREAT AREA SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED
BELOW IN APPROXIMATELY 10-15 MINUTES.
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SHORT TERM OUTLOOK VALID 1815-2115Z...MEDIUM CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...SEE ABOVE SATELLITE ANALYSIS AND LATEST WPC
WINTER WEATHER PRODUCTS FOR ADDITIONAL DETAILS.   STEADIEST SNOW THIS
PERIOD CONCENTRATED SOUTHERM AND DOWNEAST MAINE.   MAY HAVE AN OCCL 1"/HR
RATE...BUT BELIEVE MOST HRS AND SPOTS WILL STAY BELOW 1"/HR THROUGH THE
PERIOD .
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....NESDIS IS A MEMBER OF NWSCHAT (NESDISSATELLITEPRECIP)....
....NESDIS IS A MEMBER OF 12 PLANET....
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FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE
PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL
SSDPrecip@noaa.gov
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FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB:
http://www.ospo.noaa.gov/Products/atmosphere/spe/
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FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB:
http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php
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LAT...LON 4539 6720 4419 6723 4260 7088 4240 7207 4355 7120

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