|
ZCZC NFDSPENES ALL SPENES VIZ000-PRZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/12/19 1838Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: 190712/1800Z GOES16 WV_6.9 . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...HEAVY RAINFALL/190712/1800Z GOES16 IR_11.2 . SATELLITE ANALYSIS AND TRENDS...HEAVY RAINFALL FROM TRADE WIND THUNDERSTORMS HAS INCREASED IN COVERAGE OVER THE WESTERN PORTIONS OF PUERTO RICO. THE LATEST GOES16 IR IMAGERY OBSERVED COOL HIGH CLOUD TOPS ACROSS WESTERN PUERTO RICO LIKELY FROM LOW LEVEL MOISTURE CONVERGENCE FROM TRADE WIND AND HIGH TERRAIN INTERACTION. GOES16 VISIBLE IMAGERY OBSERVED HIGHER CLOUD TOPS ACROSS WESTERN PUERTO RICO. GOES16 WV IMAGERY WITH MID LEVEL ANALYSIS OBSERVED ALOT OF DRY AIR IN THE REGION BUT POP UP SHOWER AND THUNDERSTORM ACTIVITY FROM EARLIER CONVECTION OVER THE USVI HAS NOW PROGRESSED OVER PUERTO RICO WHICH IS NOW PROGRESSING EAST TO WEST OVER THE ISLAND. THE LATEST UPPER AIR ANALYSIS FROM TJSJ OBSERVED SBCAPE VALUES GREATER THAN 2000 J/KG AND TPW VALUES GREATER THAN 1.40" SO DESPITE ALOT OF DRY AIR FROM THE SAHARAN DUST LAYER TIN THE REGION THE FAIRLY MOIST AND UNSTABLE PROFILE WITH UNI-DIRECTIONAL FLOW IN THE LOWER LEVEL IS SUPPORTIVE OF RAINFALL ESPECIALLY OVER WESTERN PORTIONS OF THE ISLAND. . 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 1800-2100Z...MEDIUM CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...THE CURRENT THUNDERSTORM ACTIVITY LIKELY WILL PERSIST FOR THE NEXT FEW HOURS TILL THE FORCING AND FAVORABLE DYNAMICS DISSIPATE LATER IN THE DAY AND EARLY THIS EVENING. THE CURRENT ACTIVITY IS PROGRESSING EAST TO WEST OVER THE ISLAND AND WILL EVENTUALLY PROGRESS WEST AWAY FROM THE ISLAND. . ....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 1898 6423 1759 6436 1734 6776 1897 6771 . NNNN |
No Graphics Available
|