ZCZC NFDSPENES ALL SPENES NEZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 05/29/08 2120Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-12 2045Z CW . LOCATION...S-CENTRAL NEBRASKA... . ATTN WFOS...GID...LBF...GLD... ATTN RFCS...MBRFC... . EVENT...SEVERE THUNDERSTORM PRODUCING HVY RAINFALL . SATELLITE ANALYSIS AND TRENDS...RAPID CLOUD TOP COOLING AND EXPANSION HAS BEEN NOTED ALONG THE SW FLANK OF A SEVERE CONVECTIVE CELL MOVING NEWD INVOF FRONTIER COUNTY/NE. COLDEST CLOUD TOP TEMPS ARE NOW AT -60C WITHIN THE CORE OF THIS CELL. TO MAKE MATTERS WORSE IT APPEARS THAT A ANOTHER CELL MOVING EWD ACROSS HAYES COUNTY WILL MERGE WITH THE CELL OVER FRONTIER..BASED ON VIS ANIMATION..ONLY TO CAUSE RAIN RATES TO INCREASE FURTHER. STLT ESTIMATES SUGGEST RAIN RATES BETWEEN 1.75-2.0"/HR IS VERY LIKELY ASSOCIATED WITH THIS CELL. COUNTIES TO THE NORTH AND EAST OF FRONTIER SHOULD BE PREPARED TO EXPERIENCE VERY HVY RAINFALL OVER THE NEXT HR OR SO AS THIS CELL MOVES TO THE NORTHEAST. . 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 4200 9986 4037 9834 4005 10027 4052 10139 . NNNN