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ZCZC NFDSPENES ALL SPENES VIZ000-PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/30/19 0319Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES16 WV/IR 03Z;RAOB ANALYSIS 00Z;BLENDED TPW 0146; JL . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...BANDS OF HEAVY RAINFALL . SATELLITE ANALYSIS AND TRENDS...GOES-16 WV IMAGERY SUGGESTS A BAND OF DEEP MOISTURE APPROACHING PR FROM THE SOUTH-SOUTHEAST BRINGING A LINE OF HEAVY PRECIPITATION ACROSS THE REGION. THE BAND OF MOISTURE HAS DEVELOPED RAPIDLY, SPINNING OFF OF A CYCLONIC STRUCTURE LOCATED JUST SOUTHEAST OF THE ISLAND. IN ADDITION, BLENDED TPW-PRODUCT SUGGESTS AVAILABLE MOISTURE REMAINING NEAR 2", PROVIDING AMPLE MOISTURE TO FEED ENCROACHING CELLS AND FUTURE DEVELOPMENT AND PROMOTING POTENTIALLY HIGHER RAINFALL RATES. GOES-16 IR IMAGERY SHOWS A BAND OF RAPIDLY COOLING CLOUD TOPS LIES AT THE SOUTHERN SHORE OF PUERTO RICO, SUGGESTING CONVECTIVE ACTIVITY AND THUNDERSTORM DEVELOPMENT. AS THE CENTER OF ROTATION CONTINUES TO DISSIPATE AND APPROACH THE SOUTHERN EDGE OF PUERTO RICO, EXPECT THIS BAND AND OTHER CONVECTIVE ACTIVITY TO DEVELOP AND BRING BOUTS OF THUNDERSTORMS AND HEAVY RAINFALL, LEADING TO FF THREAT. . 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 0315-0915Z...HIGH CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...EXPECT ROUNDS OF THUNDERSTORM AND HEAVY PRECIPITATION ACTIVITY AS UPPER-AIR DIVERGENCE OCCURS OVER THE AREA OF ELEVATED TPW, AND THE CYCLONIC STRUCTURE APPROACHES PUERTO RICO. DEEP MOISTURE AND CONTINUED EASTERLY FLOW WITH IMPOSING CIRCULATION CENTER WILL BRING LINES(S) OF HEAVY RAIN AND THUNDERSTORMS TO THE ISLAND, THREATENING FLASH FLOODING, ESPECIALLY IN URBAN AREAS OR REGIONS SUSCEPTIBLE TO OROGRAPHIC IMPACTS. LOCAL RADAR SHOWS BANDS OF CONVECTION MOVING FROM SE TO NW ACROSS THE MOST EASTERN EDGE OF PUERTO RICO WITH HIGHER REFLECTIVE VALUES INDICATING STRONGER DEVELOPMENT AND MORE INTENSE RAINFALL. . ....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 1863 6407 1757 6450 1758 6769 1862 6727 1863 6728 . NNNN |
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