ZCZC NFDSPENES ALL SPENES MIZ000-WIZ000-ILZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 06/08/08 0047Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-12: 0015Z DS . LOCATION...W LOWER MICHIGAN...S WISCONSIN...NE ILLINOIS... . ATTN WFOS...IWX...GRR...GRB...LOT...MKX...ARX... ATTN RFCS...NCRFC... . EVENT...BACKBUILDING CELLS/MERGERS OCCURRING IN SE WI . SATELLITE ANALYSIS AND TRENDS...VERY HVY RAINS CONTINUE TO FALL OVER SERN WI AS CELLS ARE SEEN IN VIS/IR IMAGERY BACKBUILDING INTO THE SWRLY 850MB FLOW PER VWPS. VIS IMAGERY INDICATES NUMEROUS OVERSHOOTING TOPS HAVE BEEN PRESENT OVER THE MILWAUKEE AREA DURING THE PAST HR AND JUST IN 0015Z IR IMAGE SHOWS A -76C OVERSHOOTING TOP JUST ONSHORE AT KMWC. LATEST VIS/RADAR INDICATES CELLS BEGINNING TO BUILD TO THE NW RATHER THAN DUE W AS ERN MOST END OF THE MCS ALONG THE FRNTL BNDRY APPROACHES S CENTRAL WI. MERGERS WILL BE OCCURRING SHORTLY OVER ALREADY VERY SATURATED GROUND INVOF KFLD AND JUST NNE OF KDLL CAUSING VERY HVY RAINS. CONSIDERING THE DEEP MOISTURE PRESENT..COULD EASILY SEE RAINRATES OF 2.5-3"/HR AS MERGERS OCCUR IN THE NEXT HR. AUTOMATED STLT ESTIMATES HAVE DONE A FAIRLY GOOD JOB OVER THE PAST 3 HRS COMPARED TO 00Z PRECIP AMOUNTS IN SFC OBS OVER THE MKE AREA WITH A MAX OF 2.6". HOWEVER IT APPEARS TO BE ABOUT 1 COUNTY S OF WHERE PRECIP ACTUALLY IS. SEE WEB ADDRESS IN ABOUT 5 MIN FOR ESTIMATE GRAPHIC. . ADDTL CELLS ARE MOVING NEWD TWDS THE BACKBUILDING CLUSTER OVER SRN LK MI FROM NW IL AS WELL AND A FEW MORE CELLS MAY DVLP TO FEED INTO THE SRN SIDE OF THE CLUSTER. ERN END OF THIS CLUSTER MAY BE A PROBLEM AS WELL WITH OVER 1" ALREADY ESTIMATED IN ALLEGAN COUNTY/MI. W-E ORIENTATION OF ERN PART OF THE CLUSTER WILL ALLOW FOR HVY RAINS TO CONTINUE TO FALL OVER THIS PART OF THE ERN SHORE OF LK MI. 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 4428 8898 4289 8449 4186 8725 4290 9028 . NNNN