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ZCZC NFDSPENES ALL SPENES PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 05/07/21 1311Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: 1240Z GOES16 CH02 VIS_0.64, 12Z TJSJ SOUNDING, 1305Z TJUA RADAR; 06Z HRW_PR_ARW . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...ISOLATED HEAVY RAINFALL FOR WESTERN AND INTERIOR PUERTO RICO . SATELLITE ANALYSIS AND TRENDS...THE LATEST GOES16 VISIBLE SATELLITE IMAGERY SHOWS STRONG EASTERLY FLOW LEADING TO WIDESPREAD CUMULUS DEVELOPMENT OVER THE EASTERN PORTION OF THE ISLAND LEADING TO THE DEVELOPMENT OF SPOTTY SHOWERS. THE 12Z TJSJ SOUNDING SHOWS THIS EASTERLY FLOW GENERALLY CONTINUING UP UNTIL AROUND 500MB WHERE WINDS SHIFT TO NORTHERLY FLOW. DEW POINTS ALSO DECREASE DRAMATICALLY ABOVE 750MB LEADING TO SHALLOW LOW-TOPPED CONVECTION CURRENTLY. PWATS CURRENTLY HOVER AT AROUND 1.0-1.25 INCHES. . SHORT TERM OUTLOOK VALID 1500-0600Z...MEDIUM CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...THE CURRENT CONVECTIVE ACTIVITY SEEMS TO BE CONFINED TO EASTERN PORTIONS OF THE ISLAND. CONVECTION-ALLOWING MODELS BRING ACTIVITY FURTHER TO THE WEST BY 18Z WHERE A THREAT FOR RIVER AND FLASH FLOODING MAY EXIST IN URBAN AND LOW-LYING AREAS THROUGH AT LEAST 00Z. AREAS THAT HAVE RECEIVED THE MOST RAIN OVER THE PAST FEW DAYS WILL HAVE THE HIGHEST LIKELIHOOD FOR FLOODING. . ....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 1905 6555 1742 6519 1746 6752 1890 6757 . NNNN |
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