Satellite Precipitation Estimates (TXUS20 KWBC)
Issued by NWS

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000
TXUS20 KNES 170851
SPENES
ZCZC NFDSPENES ALL
SPENES
VIZ000-PRZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 10/17/17 0850Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES 18 0845: FCS
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LOCATION...PUERTO RICO...
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ATTN WFOS...SJU...
ATTN RFCS...
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EVENT...MODERATE TO HEAVY RAINFALL OVER SOUTHEASTERN PUERTO RICO
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SATELLITE ANALYSIS AND TRENDS...THE LATEST GOES 16 INFRARED SATELLITE
IMAGERY REVEALED AN AREA OF RELATIVELY STATIONARY CONVECTION DEVELOPING
OVER SOUTHEASTERN PUERTO RICO. THE AREA IS GROWING IN AERIAL COVERAGE
WITH ACTIVITY DRIFTING TO THE SOUTHEAST. AERIAL COVERAGE RAINFALL RATES
ARE ON THE ORDER OF 0.35 INCHES PER HOUR PER THE AMSU SATELLITE DERIVED
ESTIMATES.  SURFACE MOISTURE CONVERGENCE FIELDS ARE FAVORABLE OVER
THE AREA OF CONCERN FOR GENERATING UPWARD MOTION IN A MOIST MARITIME
TROPICAL ENVIRONMENT; THEREFORE, THE LIKELIHOOD OF MODERATE TO HEAVY
RAINFALL TO BE CAUSING SOME LOCALIZED RUNOFF DURING HEAVIER DOWNPOURS
IS A REASONABLE EXPECTATION.
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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 0850-1100Z...MEDIUM CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...POTENTIAL HEAVY RAINFALL WILL BE OCCURRING WITH
STATIONARY CONVECTION DEVELOPING OVER THE SOUTHEASTERN CORNER OF PUERTO
RICO OVER THE NEXT FEW HOURS.  FLASH FLOODING CAN BE EXPECTED DUE TO THE
STATIONARY PATTERN OF THE AREA OF DEVELOPMENT SEEN ON SATELLITE IMAGERY
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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 1871 6752 1869 6751 1871 6494 1767 6528 1762 6786

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