SWODY3
SPC AC 270727
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0127 AM CST THU JAN 27 2011
VALID 291200Z - 301200Z
...SOUTH AND CNTRL TX...
MODELS CONTINUE TO MOVE AN UPPER-LEVEL LOW OVER NORTHERN MEXICO
TOWARD THE SRN PLAINS ON SATURDAY. AHEAD OF THIS SYSTEM...A BROAD
LOW-LEVEL JET IS FORECAST TO BE IN PLACE WHICH SHOULD TRANSPORT
MOISTURE NWD ACROSS SOUTH AND CNTRL TX. BY SATURDAY AFTERNOON...SFC
DEWPOINTS MAY BE IN THE 50S F FROM THE TX HILL COUNTRY SWD TO THE
LOWER TX COAST WITH LOWER 60S F POSSIBLE ON THE TX COASTAL PLAIN BY
EARLY EVENING AS IS SUGGESTED BY THE NAM. IF THIS OCCURS...THEN
ENOUGH INSTABILITY WOULD BE IN PLACE FOR THUNDERSTORM DEVELOPMENT
SATURDAY EVENING THROUGH THE OVERNIGHT PERIOD. HOWEVER...FORECAST
SOUNDINGS DURING THAT TIME PERIOD SHOW A CAPPING INVERSION IN PLACE
SUGGESTING ANY STORM THAT INITIATES WOULD PROBABLY BE ELEVATED IN
NATURE. FOR THIS REASON ALONG WITH FORECAST UNCERTAINTIES...WILL NOT
INTRODUCE LOW END SEVERE PROBABILITIES ATTM.
..BROYLES.. 01/27/2011
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