Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 201856
SPENES
ZCZC NFDSPENES ALL
SPENES
MEZ000-MAZ000-NHZ000-RIZ000-VTZ000-CTZ000-NYZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 04/20/15 1856Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-13 1845Z  HANNA
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LOCATION...MAINE...MASSACHUSETTS...NEW HAMPSHIRE...RHODE ISLAND...
LOCATION...VERMONT...CONNECTICUT...NEW YORK...
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ATTN WFOS...GYX...BOX...OKX...ALY...
ATTN RFCS...NERFC...
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EVENT...SATELLITE FEATURES FOR LOCALIZED HEAVY RAINFALL
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SATELLITE ANALYSIS AND TRENDS...LATEST WV IMAGERY SHOWS A BROAD BASED
ANOMALOUS TROF OVER THE CENTRAL US WITH A NUMBER OF IMPULSES LIFTING UP
THE E SIDE OF THE TROF.  LEAD IMPULSE WAS NOW PUSHING INTO SE ONTARIO AND
S QUEBEC WITH SECOND UPSTREAM SYSTEM LIFTING NE INTO THE LOWER PENINSULA
OF MI.  AT THE SURFACE ANOMALOUS LOW WAS OVER E PORTIONS OF LAKE SUPERIOR
WITH WEAK WARM FRONTAL WAVE ANALYZED OVER PORTIONS OF NE MD.  BLENDED PW
ANALYSIS WAS SHOWING ANOMALOUS MOISTURE PLUME EXTENDING FROM THE VIC OF
LONG ISLAND EXTENDING SW JUST OFFSHORE THE SE COAST TOWARDS THE GULF OF
MEXICO.  ANOMALOUS LOW LEVEL WIND FIELD WITHIN TIGHT PRESSURE GRADIENT HAS
BEEN ENHANCING A NARROW AXIS OF INTEGRATED MOISTURE FLUX THAT IS CURRENTLY
ONGOING FROM LONG ISLAND EXTENDING N INTO PORTIONS OF VT/NH.  THIS WAS
ADDING AN UPSLOPE COMPONENT FOR LOW LEVEL FLOW INTO SE PORTIONS OF THE
BERKSHIRES AND WHITE MOUNTAINS TO ACCENTUATE ONGOING SYNOPTIC ASCENT.
MESONET OBSERVATIONS WOULD INDICATE THAT HEAVIEST RAINFALL RATES HAVE
BEEN OBSERVED ALONG AN AXIS FROM JUST W OF HFD EXTENDING SW TO HPN WHERE
RAINFALL RATES HAVE BEEN OBSERVED BETWEEN 0.3-0.5"/HR.  THESE RATES
HAVE LIKELY BEEN ENHANCED BY MID LEVEL DRY SLOT ON WV IMAGERY EXTENDING
UP THE HUDSON VALLEY WHERE SOME SLIGHTLY STEEPER MID LEVEL LAPSE RATES
MAY HAVE INCREASED FORCING RESPONSE JUST TO THE E.  THROUGHOUT THE REST
OF THE AFTERNOON AND INTO THE EVENING, INTEGRATED MOISTURE PLUME SHOULD
CONTINUE LIFTING UP THE COAST WITH UPSLOPE COMPONENT INCREASING INTO SE
PORTIONS OF THE WHITE MOUNTAINS HELPING TO SHIFT HEAVY RAIN THREAT INTO
PORTIONS OF S NH AND SW ME.  SEE MOST RECENT QPFERD FOR MORE DETAILS.
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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 4456 7000 4376 6925 4134 6975 4003 7231 4105 7348
4209 7292 4386 7169
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