ZCZC NFDSPENES ALL SPENES MOZ000-IAZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 06/12/08 2105Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-12 2045Z CW . LOCATION...N MISSOURI...S IOWA... . ATTN WFOS...DVN...DMX...EAX... ATTN RFCS...NCRFC...MBRFC... . EVENT...RAPIDLY DEVELOPING CELLS CAPABLE OF PRODUCING VERY HVY RAINS . SATELLITE ANALYSIS AND TRENDS...TWO CONVECTIVE CELLS THAT HAVE DEVELOPED ALONG THE SFC BOUNDARY ACROSS N MO ARE MOVING SLOWLY TO THE NE AND APPROACHING THE MO/IA BORDER. THESE CELLS ARE INVOF DAVIESS/ GRUNDY/SULLIVAN/PUTNAM COUNTIES AND HAVE SHOWN RAPID CLOUD TOP COOLING IN THE LAST 30 MINS. CLOUD TOP TEMPS HAVE DROPPED FROM -55C AT 2015Z TO HAVING OVERSHOOTING TOPS AT -72C IN 2045Z IR IMAGE. THESE CELLS MAY BE CAPABLE OF PRODUCING RAIN RATES OF 1.0-2.0"/HR..WITH HIGHER RATES NOT OUT OF THE QUESTION AS HIGH LLVL MOISTURE IS POOLED ACROSS THIS AREA. THERE IS THE POSSIBILITY THAT THESE TWO CELLS MAY MERGE CAUSING RATES TO POTENTIALLY EXCEED 2.0"/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 4114 9244 4049 9201 3945 9451 4014 9493 . NNNN