ZCZC NFDSPENES ALL SPENES COZ000-WYZ000-UTZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 05/12/08 2147Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-11 2130Z CW . LOCATION...W COLORADO...S WYOMING...E UTAH... . ATTN WFOS...BOU...CYS...RIW...GJT...SLC... ATTN RFCS...MBRFC...CBRFC... . EVENT...EXPECTING PRECIP RATES TO INCREASE NEXT 1-2 HRS . SATELLITE ANALYSIS AND TRENDS...WV SHOWS A SHORTWAVE PRESSING SSEWD ACROSS N NV/NW UT/SE ID BRING WITH IT ENHANCED UVVS ACROSS E UT/W CO. IN RESPONSE TO THIS APPROACHING SHORTWAVE CLOUD TOP TEMPS HAVE BEGUN TO COOL SLIGHTLY WITHIN THE SW-NE ORIENTED CLOUD BAND OVER E UT/NW CO/CENTRAL WY WITH COLDEST TOPS OVER SW UINTAH COUNTY IN NW UT. UPPER LVL WIND FIELD FROM GOES INDICATES MODEST DIVERGENCE ALOFT OVER E UT AND A JET MAX EXPECTED TO ROUND THE BASE OF THE UPPER LVL TROUGH OVER S NV IN THE NEXT 1-3HRS. BOTH ARE EXPECTED TO AID IN THE ENHANCEMENT OF UVVS ACROSS THE DISCUSSION AREA. AREAS ON THE WESTERN SLOPES OF THE MOUNTAIN RANGES SHOULD EXPECT TO SEE GREATEST SNOWFALL TOTALS OUT OF THIS EVENT. WITH PRECIP RATES BEING RELATIVELY LIGHT THIS AFTERNOON SO FAR..WITH THE APPROACHING SHORTWAVE AND EXIT-REGION JET STREAK DYNAMICS CURRENTLY THINKING IS THAT OVER THE NEXT 1-2 HRS RATES SHOULD BEGIN TO INCREASE ACROSS E UT/W NW CO. . LOOKING AHEAD TO THE EVENING HRS..MODERATE SNOWFALL RATES SHOULD REMAIN RATHER PERSISTENT ACROSS E UT/W SW CO WITH BRIEF PERIODS OF HEAVY SNOWFALL RATES MIXED IN AT TIMES. . PLEASE SEE BELOW WEB ADDRESS IN ABOUT 10 MINS FOR STLT GRAPHIC. . 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 4174 10813 4107 10554 3745 10954 3802 11181 . NNNN