ZCZC NFDSPENES ALL SPENES . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 09/11/07 2142Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-12 2130Z KUSSELSON NOAA AMSU: 2000Z . LOCATION...NW PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...DRIER AIR/LOWER PWS FILTERING INTO THE VI AND NE PART OF THE ISLAND...EXPECT GRADUAL WEAKENING OF CURRENT CONVECTION... . SATELLITE ANALYSIS AND TRENDS...LATEST NOAA AMSU COMPOSITE PW LOOP WITH LATEST 20Z PASS INCLUDED SHOWED LEADING EDGE OF LOWER PWS WORKING ACROSS AREAS JUST EAST OF PUERTO RICO AND AS THE EVENING GOES ON SLIGHT LOWERING PW WILL HELP CONTRIBUTE TO STABILIZATION SHIFTING WEST SO THAT THE CURRENT ACTIVE NW PART OF THE ISLAND WILL WEAKEN. STABILIZATION PROBABLY ALREADY TAKING HOLD WITH SETTING SUN AND RAPID DECREASE IN SOLAR RADIATION...BUT LOWERING PWS WOULD FURTHER STABIZE NW PART OF THE ISLAND FOR TONIGHT...POSSIBLY WED AS WELL. AND WITH EASTERLY WAVE WELL TO THE WEST AND SW AND THAT LEADING EDGE OF LOWER PWS PUSHING TOWARD PUERTO RICO...EXPECT FURTHER EVIDENCE OF A CALM NIGHT IN THE WAY OF NOT MUCH IF ANY CONVECTION. WILL CONTINUE TO MONITOR.. . SEE NCEP HPC DISCUSSION AND QPF/S FOR FORECAST. ....NESDIS IS A MEMBER OF 12 PLANET.... . SSD/SAB WEB ADDRESS FOR PRECIP ESTIMATES: HTTP://WWW.SSD.NOAA.GOV/PS/PCPN/ ...ALL LOWER CASE EXCEPT /PS/PCPN/ . LAT...LON 1870 6671 1832 6661 1828 6678 1865 6701 . NNNN