NOAA Office of Satellite and Product Operations
Satellite Precipitation Message

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PRZ000-
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 08/29/19 2029Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES 16 IR/WV/VIS 1600Z; SSMIS/AMSU; FCS
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LOCATION...PUERTO RICO...
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ATTN WFOS...SJU...
ATTN RFCS...
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EVENT...HURRICANE DORIAN
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SATELLITE ANALYSIS AND TRENDS...GOES 16 SATELLITE IMAGERY SHOWS A GROWING CONVECTIVE AREA OF CLOUDS SHOWING COOLING TOPS ON IR AND EXPANDING COVERAGE OVER THE ISLAND OF PUERTO RICO AND THE US VIRGIN ISLANDS. FLASH FLOOD WARNINGS ARE NOW POSTED AND HAVE BEEN OCCURRING SINCE 18Z. HEAVIER CONVECTION WITH MOST FREQUENT LIGHTNING STRIKES SHOW THE MOST ACTIVE CONVECTION OVER EASTERN PUERTO RICO WHERE FIELDS OF SURFACE MOISTURE CONVERGENCE ARE A MAXIMUM AND WHERE OVERSHOOTING TOPS ARE EVIDENT ON RECENT IMAGERY. SATELLITE BASED ESTIMATES SHOW PW QUANTITIES THAT EXCEED TWO INCHES. SMALLER AREAS OF ROTATION ACCOMPANY THE MOST ACTIVE CELLS OVER THE SE CORNER OF PUERTO RICO AND OFF THE SOUTHWEST COASTLINE OF PUERTO RICO. STORM DEVELOPMENT SHOULD REMAIN ACTIVE FOR A FEW MORE HOURS AS DORIAN'S STORM TRACK TO THE NORTHWEST CONTINUES TOWARDS THE BAHAMAS.
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SHORT TERM OUTLOOK VALID 2030-0030Z...HIGH CONFIDENCE FACTOR
IN SHORT TERM OUTLOOK...HEAVY RAINFALL WITH FLASH FLOODING WILL CONTINUE OVER THE ISLAND OF PUERTO RICO. CONVECTIVE ELEMENTS OFF THE SOUTHERN COASTLINE OF PUERTO RICO ARE MOVING FROM SOUTH TO NORTH WITH THUNDERSTORMS REMAINING UPSTREAM. THE HEAVIEST RADAR ECHOES ARE OVER THE EASTERN SIDE OF PUERTO RICO OVER THE VIEQUES AND THE US VIRGIN ISLANDS. TORRENTIAL DOWNPOURS CAN BE EXPECTED ACCOMPANIED BY FLASH FLOODING.
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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 1859 6730 1857 6729 1856 6515 1788 6533 1791 6749

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