ZCZC NFDSPENES ALL SPENES . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 05/21/07 0019Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-12: 2345Z DS LOCATION...TEXAS... . ATTN WFOS...MAF...EPZ... ATTN RFCS...WGRFC... . EVENT...CELL MERGER IN W TX . SATELLITE ANALYSIS AND TRENDS...TWO CELL CLUSTERS IN W TX ARE CLOSE TO MERGING INVOF THE CULBERSON/JEFF DAVIS COUNTY LINE. ONE CLUSTER IS MOVING S/SE THROUGH E CULBERSON WITH AN OVERSHOOTING TOP WHILE THE OTHER IS MOVING EWD FROM S HUDSPETH COUNTY. SAT TRENDS INDICATE THAT CELLS COULD FORM INTO SMALL LINE AFTER MERGING AND MOVE TO THE E/SE TWDS REEVES/JEFF DAVIS. ESTIMATE THAT RAINFALL RATES OF 1-1.5"/HR POSSIBLE AS THE CELLS MERGE. SLOW MOVEMENT OF CELLS AFTER MERGER COULD RESULT IN HVY RAINS IN SW CULBERSON/NW JEFF DAVIS OVER THE GUADALUPE MTNS IN NEXT 1-2 HRS. . 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 3185 10366 3020 10345 3011 10548 3045 10554 3176 10570 . NNNN