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ZCZC NFDSPENES ALL SPENES PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/29/20 0330Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES16 IR/WV 0310Z;LTG;RAOB;SSMIS/AMSU; RADAR 0325; FS . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...HEAVY RAINFALL FLASH WITH A FLOODING POTENTIAL PUERTO RICO/USVI . SATELLITE ANALYSIS AND TRENDS...RECENT SATELLITE IMAGERY IN THE IR AND WV CHANNELS SHOWS COOLING TOPS OF CONVECTIVE ACTIVITY MOVING NORTH TOWARDS THE SOUTH SHORE OF THE ISLAND OF PUERTO RICO AND THE USVI. SSMIS/AMSU SATELLITE REMOTE SENSING DATA INDICATES NEARLY 1.3 INCHES OF PRECIPITABLE WATER. RADIOSONDE DATA AT 00Z SHOWED 1.29 INCHES PW, 2350 J/KG CAPE AND A -6 LIFTED INDEX VALUE. UPPER CIRCULATION TO THE NORTHEAST OF PUERTO RICO AND VORTICITY MOVING IN FROM THE SOUTHEAST, EMBEDDED IN THE AREA OF MOISTURE APPROACHING PUERTO RICO HEAVY RAINFALL IS PROBABLE WITH A POTENTIAL FOR SOME OF THE RAIN TO BE HEAVY ENOUGH TO GENERATE FLASH FLOODING FOR THE ISLAND OF PUERTO RICO/USVI AS THE MOISTURE IMPACTS THE ISLANDS. RECENTLY, SATELLITE IMAGERY AND RADAR SUGGESTS THE HEAVIEST ACTIVITY WITH THE HEAVIEST RAINFALL WILL BE IN THE SOUTHEASTERN CORNER OF PUERTO RICO. . SHORT TERM OUTLOOK VALID 0330-0930Z...MEDIUM CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...SAN JUAN RADAR AS OF 0325Z SHOWS BANDS OF RAIN WITH EMBEDDED CONVECTIVE CELLS APPROACHING THE SOUTHERN AND SOUTHEASTERN CORNER OF THE ISLAND OF PUERTO RICO AND THE USVI IN RECENT IMAGES. SOME OF THE HEAVIER RAINFALL ELEMENTS WILL BE CAPABLE OF GENERATING FLASH 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 1764 6649 1750 6562 1733 6463 1707 6363 1669 6287 1711 6635 1700 6530 1677 6430 1652 6371 1605 6340 1545 6338 1854 6716 1854 6716 1852 6509 1790 6532 1790 6746 . NNNN |
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