ZCZC NFDSPENES ALL SPENES SDZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 06/02/08 2335Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: G12 2325Z CK . LOCATION...SOUTH DAKOTA... . ATTN WFOS...ABR...UNR... ATTN RFCS...MBRFC... . EVENT...PSBL MCS FORMATION OVER NW QUARTER OF SD . SATELLITE ANALYSIS AND TRENDS...CLUSTER OF INCRG TSTMS..BOTH NUMBER AND INTENSITY..HAS BEEN OCCURRING OVER THE EVENT AREA OVER THE PAST 2-3 HRS. THIS COINCIDES WITH MAX AREA OF SFC CONVERGENCE. OVERALL..WV IMAGERY SHOWS PACIFIC-ORIGIN WV PLUME EXTENDING ACRS WY AND WRN/NRN SD.. AS SHORT WAVE OVER ID MOVES EWD. TSTMS HAVE BEEN INCRG OVER SE WY/NE CO/E CO IN ADDITION TO NW/W SD. COLDEST CONVECTIVE TOPS ARE OVER THE COUNTIES OF HARDING/BUTTE/PERKINS/MEADE. MOVEMENT OF ALL CELLS..CO AND SD..ARE TWD THE E. BUT WITH THE INCR IN NUMBER OF CELLS..WOULD EXPECT SOME MERGERS TO OCCUR OVER THE NEXT COUPLE OF HRS.. ESP INVOF BUTTE AND MEADE. GIVEN THE STRONG SFC CONVERGENCE/TRENDS IN IR IMAGERY / AND EWD PROGRESSION OF IDAHO SHORT WAVE..WOULD EXPECT A REASONABLY GOOD CHANCE OF MCS FORMATION THIS EVE OVER NW QUARTER OF SD. . SEE ANNOTATED GRAPHIC AT WEB ADDRESS BELOW IN APPX 10 MINUTES. . 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 4552 10377 4550 10114 4491 10140 4424 10377 4495 10382 . NNNN