ZCZC NFDSPENES ALL SPENES . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 05/30/07 1920Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: G12 1900Z CK . LOCATION...PUERTO RICO... . ATTN WFOS...SJU... ATTN RFCS... . EVENT...STLT TRENDS FOR ADDITIONAL HVY TSTMS OVER WRN PUERTO RICO . SATELLITE ANALYSIS AND TRENDS...STLT EST FOR MERGING TSTMS ALONG THE N COAST..W OF TJSJ..WERE BTWN 2-3" FOR 1715Z-1815Z. THESE STMS HAVE MOVED N. TSTMS OVER W/NW PUERTO FOR 1715-1845Z ARE ESTIMATED TO HAVE PRODUCED AROUND 2". AT 1845Z..IMAGERY SHOWS HVY STMS ALONG NW COAST. CONCERN GOING FORWARD IS FOR ADDITIONAL TSTMS TO DEVELOP OVER W AND NW PUERTO RICO. CU/TCU IS DEVELOPING INVOF W COAST..NR TJMZ..AND OFFSHORE AS WELL..WHICH COULD FURTHER DEVELOP INTO TSTMS. FAVORABLE FACTORS FOR NEW TSTM DEVELOPMENT ARE DIVERGENCE ALOFT PER GOES WV IMAGERY ANIMATION.. AND CONVECTIVE OUTFLOW FM TSTMS OVER ERN HISPANOLA SPEADING EWD. . BASED ON STLT TRENDS MENTIONED ABOVE..HVY SHOWERS AND TSTMS COULD AFFECT PARTS OF W AND NW COASTAL SECTIONS OF PUERTO OVER THE NEXT FEW HRS. IF NEW DEVELOPMENT DOES INDEED OCCUR..CELL MERGERS WILL BE LIKELY. THIS..IN CONJUNCTION WITH HIGH PWS IN EXCESS OF 2" PER MICROWAVE DATA..WOULD RESULT IN RAINFALL OVER 2"/HR. . 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 1916 6752 1865 6501 1774 6509 1772 6742 . NNNN