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ZCZC NFDSPENES ALL SPENES PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/02/21 1920Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES 16 1850Z . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT... MODERATE TO HEAVY PRECIPITATION . SATELLITE ANALYSIS AND TRENDS...GOES 16 WV IMAGERY SHOWS INCREASED MOISTURE BUILDING OVER WESTERN PR CONTRIBUTING TO INCREASED THUNDERSTORM ACTIVITY OVER PARTS OF PR. WV IMAGERY HINTS AT INCREASED MOISTURE TO BEGIN SPREADING TOWARDS CENTRAL PR OVER THE NEXT FEW HOURS AS THUNDERSTORM ACTIVITY INCREASES. G16 VIS IMAGERY SHOWS SEMI STATIONARY THUNDERSTORMS BLOOMING OVER WESTERN PR WITH MODERATE TO HEAVY RAINFALL. RADAR IMAGERY FROM PR INDICATES HEAVY PRECIPITATION IS FALLING OVER WESTERN PR AT THIS TIME. A 12Z UPPER AIR SOUNDING SHOWS PW VALUES JUST ABOVE 1" AND APPROXIMATELY 1200 J/KG OF CAPE ALLOWING FOR INCREASED THUNDERSTORM ACTIVITY. . SHORT TERM OUTLOOK VALID 1900-2400Z...MEDIUM CONFIDENCE FACTOR IN SHORT TERM OUTLOOK... THE CURRENT CONVECTION SEEMS TO BE RESTRICTED TO THE WESTERN PART OF THE ISLAND. AS MOISTURE SPREADS TO OTHER PORTIONS OF THE ISLAND, THUNDERSTORMS COULD BEGIN TO BLOOM OVER CENTRAL AND EASTERN PR. THESE THUNDERSTORMS ARE CURRENTLY PRODUCING MODERATE TO HEAVY RAIN SO A CONCERN FOR FLOODING IS PRESENT. THE FLOOD RISK EXIST FOR LOW-LYING AND URBAN AREAS AS WELL AS ANY AREA WITH POOR DRAINAGE. ANY AREAS WITH SATURATED GROUNDS MAY HAVE A HIGHER FLOODING POTENTIAL. . ....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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