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ZCZC NFDSPENES ALL SPENES PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/04/18 1759Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES 16 VISIBLE 1730Z; AMSU 1730Z; RADAR 1746Z; FCS . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...HEAVY RAINFALL OVER NORTHWEST AND INTERIOR SECTIONS OF PUERTO RICO . SATELLITE ANALYSIS AND TRENDS...THE LATEST GOES 16 VISIBLE SATELLITE IMAGERY SHOWS DEVELOPING CONVECTIVE CELLS OVER THE NORTHWEST CORNER OF THE ISLAND OF PUERTO RICO. CLOUDS ARE STREAMING IN FROM THE SOUTHEAST. THE 1730 AMSU PW PASS SHOWED QUANTITIES RANGING FROM 1.7 TO 2.0 INCHES AND EARLIER SOUNDINGS INDICATED HIGHER PW AND LIFTED INDEX VALUES THAT WERE FAIRLY NEGATIVE -9C. UPPER LEVEL DIVERGENCE WITH WEAK WINDS ALOFT MAY INFLUENCE LIFT FAVORABLY GENERATING HEAVIER RAIN SHOWERS OVER PUERTO RICO . AN ANNOTATED SATELLITE GRAPHIC SHOWING THE HEAVY PRECIPITATION THREAT AREA SHOULD BE AVAILABLE ON THE INTERNET ADDRESS LISTED BELOW IN APPROXIMATELY 10-15 MINUTES. . SHORT TERM OUTLOOK VALID 1800-0000Z...LOWER CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...A BUOYANT ATMOSPHERE WITH AMPLE MOISTURE SUPPORT SHOULD LEAD TO MODERATE TO HEAVY RAINFALL OVER CENTRAL AND NORTHWEST PUERTO RICO. RADAR SHOWED THE MOST ACTIVITY AS OF 1746Z SHOWED A CELL WITH LIKELY MODERATE TO HEAVY RAINFALL ASSOCIATED WITH IT AND THE INITIAL DEVELOPMENT OF CELLS OVER THE CENTRAL PORTION OF THE ISLAND OF PUERTO RICO. LOCALIZED URBAN FLASH FLOODING MAY OCCUR. . ....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 1862 6500 1773 6529 1774 6760 1860 6731 1860 6731 . NNNN |
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