ZCZC NFDSPENES ALL SPENES AZZ000-UTZ000-NVZ000-CAZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/17/08 1925Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES-11 1900Z CW . LOCATION...N ARIZONA...S UTAH...S NEVADA...CALIFORNIA... . ATTN WFOS...GJT...FGZ...SLC...VEF... ATTN RFCS...CBRFC...CNRFC... . EVENT...UPPER LOW SPINNING OVER SOUTHERN CA EXPECTED TO SPARK MOD/HVY RAIN SHOWERS ACROSS S NV/S UT/N AZ THIS AFTERNOON . SATELLITE ANALYSIS AND TRENDS...WV IMAGERY SHOWS AN UPPER LVL LOW SPINNING OVER SOUTHERN CA AND MOVING ENEWD (CENTER APPROX 35N/117W). JUST TO THE SOUTH AND EAST OF THIS LOW..A 40 KT STLT ESTIMATED JET STREAK IS OBJECTIVELY ANALYZED OVER SW AZ MOVING NEWD. VIS IMAGERY SHOWS HIGHER-THIN CLOUDS MOVING VERY QUICKLY ACROSS WESTERN AZ. . SCATTERED MOD/HVY RAIN SHOWERS LIKELY WILL BE CONCENTRATED THE GREATEST ACROSS S NV/CA BORDER S UT/N PORTIONS OF AZ. POOL OF HIGHER PWS FROM GOES SOUNDER/GPS NETWORK ARE FOUND ACROSS THIS REGION..0.8-1.0" ACROSS S UT/N AZ..1.0-1.2 OVER S NV/NW AZ. . A FEW STORMS ARE ALREADY DEVELOPING ACROSS CLARK COUNTY IN NV..GARFIELD/IRON/WASHINGTON/KANE COUNTIES IN S UT AS WELL AS N MOHAVE COUNTY IN NW AZ. SHOWERS SHOULD CONTINUE AND BECOME MORE WIDESPREAD ACROSS THE DISCUSSION AREA AS THE AFTERNOON PROGRESSES. . 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 3860 11248 3673 10989 3430 11486 3609 11702 . NNNN