ZCZC NFDSPENES ALL SPENES TXZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 01/04/13 0018Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404 LATEST DATA USED: GOES-13 2345Z JANKOT . LOCATION...TEXAS... . ATTN WFOS...EWX...SJT...MAF...EPZ... ATTN RFCS...WGRFC... . EVENT...MOD TO HVY SNOWS SHAPING UP . SATELLITE ANALYSIS AND TRENDS...HIGHLY DIFFLUENT UPPER LEVEL PATTERN EVIDENT IN LATEST WATER VAPOR IMAGERY WITH VORT ROTATING ACROSS N MEXICO PROVIDING DYNAMICS NECESSARY TO INDUCE LIFT NEXT SEVERAL HOURS. MOISTURE ADVECTION HAS SLOWLY BEEN ON THE INCREASE PER BLENDED TPW PRODUCT WITH .4-.6" PWATS WRAPPING NW INTO DISCUSSION REGION. THIS LEVEL OF MOISTURE NOT THAT IMPRESSIVE FOR THIS TIME OF YEAR...RUNNING 115-120% OF NORMAL. MEANWHILE IR IMAGERY SHOWS A WEAK BAROCLINIC LEAF SIGNATURE DEVELOPING OVER W TX/SE NM SUGGESTING HEAVIEST BAND OF PRECIP WOULD DEVELOP ALONG A LINE FROM PRESIDIO ENE TO CROCKETT COUNTY. EXPECT RATES OF 1-2"/HR IN BEST BANDS PROVIDING SEVERAL INCHES OF SNOW THROUGH 06Z. BEST RATES SHOULD OCCUR IN UP-SLOPE FAVORED REGIONS W TX. . SHORT TERM OUTLOOK VALID 0030-0630Z...MEDIUM TO HIGH CONFIDENCE FACTOR IN SHORT TERM OUTLOOK...EXPECT MOD TO HEAVY SNOWS TO INCREASE OVER W TX AS VORT CONTINUES TO SHIFT EAST WITH BEST OMEGAS MOVING ACROSS W TX. RATES OF 1-2"/HR IS EXPECTED IN BEST BANDS WITH UPWARDS OF 4-8"+ POSSIBLE THROUGH 6Z. . ....NESDIS IS A MEMBER OF 12 PLANET.... . FOR QUESTIONS AND COMMENTS CONCERNING THE SATELLITE PRECIPITATION MESSAGES AND GRAPHICS PLEASE EMAIL SSDPrecip@noaa.gov . FOR PRECIP MESSAGES AND GRAPHICS ON THE WEB: http://www.ssd.noaa.gov/PS/PCPN/ . FOR AUTOMATED SATELLITE PRECIPITATION ESTIMATES ON THE WEB: http://www.star.nesdis.noaa.gov/smcd/emb/ff/CONUS.php . LAT...LON 3223 10153 2985 10109 2861 10588 3118 10666 . NNNN