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ZCZC NFDSPENES ALL SPENES PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/09/21 1853Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES-16 1820Z . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...MODERATE TO HEAVY RAIN ASSOCIATED WITH AFTERNOON THUNDERSTORMS . SATELLITE ANALYSIS AND TRENDS...GOES-16 VIS IMAGERY SHOWS INCREASED CONVECTIVE ACTIVITY OVER PORTIONS OF WESTERN AND CENTRAL PR. G16 WATER VAPOR IMAGERY SHOWS POCKETS OF INCREASED MOISTURE MOVING OVER THE ISLAND FM THE EAST WHICH MAY LEAD TO INCREASED RISK OF MODERATE-HEAVY PRECIPITATION IN POP UP THUNDERSTORMS. CURRENT RADAR FROM PR SHOWS THUNDERSTORMS BLOOMING OVER THE WESTERN PORTION OF PR WITH MODERATE TO HEAVY PRECIPITATION ASSOCIATED. THE 12Z SOUNDING INDICATES PW VALUES OF 1.60" WHICH GENERALLY AGREE WITH MODEL OUTPUT OF APPROXIMATELY 1.75" THE SOUNDING INDICATES 2000+ J/KG OF CAPE WHICH INDICATES MORE CONVECTIVE ACTIVITY IS POSSIBLE. . SHORT TERM OUTLOOK VALID 1830-2330Z...MEDIUM CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...MORE CONVECTIVE ACTIVITY IS POSSIBLE AS POCKETS OF INCREASED MOISTURE MOVE WEST OVER PORTIONS OF PR. CURRENT THUNDERSTORMS ARE INDICATING PRESENCE OF MODERATE TO HEAVY PRECIPITATION, A TREND THAT WILL LIKELY CONTINUE IF NEW THUNDERSTORMS GENERATE. DUE TO MODERATE TO HEAVY RAIN, URBAN AND SMALL STREAM FLOODING IS POSSIBLE AS WELL AS FLOODING IN AREAS THAT ARE ALREADY SATURATED OR WITH POOR DRAINAGE. . ....NESDIS IS A MEMBER OF NWSCHAT (NESDISSATELLITEPRECIP).... ....NESDIS IS A MEMBER OF 12 PLANET.... . FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL SSDPrecip@noaa.gov . FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB: http://www.ospo.noaa.gov/Products/atmosphere/spe/ . FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB: http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php . LAT...LON 1867 6559 1855 6517 1818 6508 1769 6565 1752 6736 1797 6769 1838 6758 1866 6691 . NNNN |
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