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ZCZC NFDSPENES ALL SPENES PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/24/21 1804Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES-16 1730Z . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...MODERATE RAINFALL POTENTIAL OVER MOST OF PUERTO RICO . SATELLITE ANALYSIS AND TRENDS...LATEST GOES-16 WATER VAPOR IMAGERY SHOWS A ABUNDANT MOISTURE MOVING INTO THE AREA ASSOCIATED WITH AN UL TROUGH AND TROPICAL WAVE. THE GREATEST WATER VAPOR CONCENTRATION IS CURRENTLY OVER THE NE SIDE OF PUERTO RICO. THE LATEST RAOB SOUNDING SHOWS PWAT VALUES NEAR 2.0" WHICH CONFIRMS SAT ESTIMATES FOR THE AREA. RAOB ALSO SHOWS CAPE ABOVE 2500 J/KG INDICATING AN UNSTABLE ENVIRONMENT CONDUCIVE TO THUNDERSTORMS. CURRENT RADAR IMAGERY ALREADY SHOWS SPORADIC CELL GENERATION OCCURRING OVER PARTS OF PUERTO RICO WITH MODERATE TO HEAVY PRECIPITATION. MOST CELLS APPEAR TO BE SHORT LIVED BUT MAY BECOME LONGER LIVED AS THE AFTERNOON PROGRESSES. . SHORT TERM OUTLOOK VALID 1800-0000Z...MEDIUM CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...SHOWERS AND THUNDERSTORMS WILL LIKELY INCREASE IN COVERAGE AND INTENSITY AS MORE WATER VAPOR MOVES INTO THE AREA UNTIL THE TROPICAL WAVE MOVES AWAY FROM THE AREA. URBAN AND SMALL STREAM FLOODING MAY OCCUR OVER MUCH OF THE ISLAND OR ANYWHERE BANDS OF THUNDERSTORMS SET UP. OF A DRIER AIR MASS TO THE EAST MAY PROVIDE SOME RELIEF AFTER THE TROPICAL WAVE MOVES THROUGH THE AREA. . ....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 1880 6570 1862 6527 1838 6514 1803 6520 1776 6574 1757 6688 1779 6746 1807 6764 1835 6763 1858 6730 1872 6662 . NNNN |
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