SWODY3
SPC AC 260712
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0212 AM CDT THU AUG 26 2010
VALID 281200Z - 291200Z
...NRN UT TO SWRN MT...
A SIGNIFICANT UPPER TROUGH WILL EVOLVE OVER THE WRN U.S. INTO THE
DAY3 PERIOD WITH SUBSTANTIAL HEIGHT FALLS EXPECTED INTO THE NRN
GREAT BASIN BY SATURDAY NIGHT. THIS FLOW REGIME SHOULD ALLOW THE
NRN EXTENT OF SWRN U.S. MOISTURE PLUME TO EXTEND ACROSS NRN UT INTO
SWRN MT ALONG ADVANCING COLD FRONT DURING PEAK HEATING. ALTHOUGH
OVERALL INSTABILITY IS NOT EXPECTED TO BE THAT SIGNIFICANT...SBCAPE
GENERALLY ON THE ORDER OF 500 J/KG...STRENGTHENING VERTICAL SHEAR
WILL OVERSPREAD THE SFC FRONT WHERE CONVECTION IS EXPECTED TO
DEVELOP. FORECAST SOUNDINGS SUGGEST A FEW ROBUST UPDRAFTS ARE
POSSIBLE...ALONG WITH GUSTY WINDS AND PERHAPS MARGINALLY SEVERE HAIL
GIVEN THE COOLING MID LEVEL TEMPERATURES. STRONGEST STORMS SHOULD
BE LIMITED TO AFTERNOON/EVENING HOURS WHEN SFC READINGS WILL BE AT
THEIR MAXIMUM.
..DARROW.. 08/26/2010
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