SPC 0730Z Day 3 Outlook
DAY 3 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0220 AM CDT FRI MAR 15 2013 VALID 171200Z - 181200Z ...NO SVR TSTM AREAS FORECAST... AN UPPER-LEVEL TROUGH IS FORECAST TO DIG ESEWD ACROSS THE NRN AND CNTRL ROCKIES ON SUNDAY. AHEAD OF THE SYSTEM...A LOW IS FORECAST TO QUICKLY DEEPEN ACROSS THE NRN HIGH PLAINS WITH A WELL-DEFINED LEE TROUGH EXTENDING SWD ACROSS ERN WY...ERN CO INTO NE NM. SFC TEMPS SHOULD WARM INTO THE UPPER 40S IN SE WY TO THE UPPER 60S IN SERN CO ALLOWING FOR INSTABILITY TO DEVELOP TO THE EAST OF THE FRONT RANGE OF ERN CO. AS LARGE-SCALE ASCENT MOVES INTO THE CNTRL HIGH PLAINS SUNDAY AFTERNOON...THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE ALONG THE SFC TROUGH WITH CONVECTION POSSIBLY MOVING EWD INTO THE WRN NEB...WRN KS AND INTO THE NRN TX PANHANDLE DURING THE EVENING. THIS ACTIVITY IS NOT EXPECTED TO REACH SEVERE LIMITS DUE TO THE WEAK MOISTURE AND INSTABILITY. FURTHER TO THE EAST FROM THE OZARKS NEWD INTO THE OH VALLEY...THUNDERSTORMS WILL ALSO BE POSSIBLE SUNDAY EVENING INTO THE OVERNIGHT PERIOD AS A LEAD SHORTWAVE TROUGH MOVES EWD ACROSS THE MID MS VALLEY. THE THUNDERSTORM ACTIVITY SHOULD BE CONCENTRATED ON THE WRN EDGE OF A 40 TO 55 KT LOW-LEVEL JET AND ALONG THE NRN EDGE OF THE MOIST SECTOR WHERE SFC DEWPOINTS ARE FORECAST TO BE IN THE 50S F. THIS ACTIVITY MAY BE ELEVATED IN NATURE AND IS ALSO NOT EXPECTED TO POSE A SEVERE THREAT. ..BROYLES.. 03/15/2013
via SPC Forecast Products http://www.spc.noaa.gov/products/outlook/day3otlk_0730.html
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