DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 020515
SWODY2
SPC AC 020514

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1114 PM CST FRI MAR 01 2013

VALID 031200Z - 041200Z

...NO SVR TSTM AREAS FORECAST...

...CA...

WEAK SHORT-WAVE TROUGH WILL UNDERCUT NLY BRANCH AND DIG ESEWD TOWARD
CNTRL CA SUNDAY. MUCH COOLER MID LEVEL TEMPERATURES WILL OVERSPREAD
THE SACRAMENTO VALLEY DURING THE AFTERNOON WHICH SHOULD STEEPEN
LAPSE RATES SUCH THAT WEAK BUOYANCY IS EXPECTED BY PEAK HEATING.
FORECAST SOUNDINGS SUGGEST SBCAPE ON THE ORDER OF 200 J/KG IS
POSSIBLE IF SFC TEMPERATURES WARM INTO THE LOWER 60S WITH UPPER 40S
DEW POINTS. SCATTERED DIURNAL CONVECTION IS EXPECTED ACROSS THE
VALLEY INTO THE HIGHER TERRAIN OF THE NRN SIERRA NEVADA AND THE
DEEPEST UPDRAFTS MAY PENETRATE LEVELS NECESSARY FOR ISOLATED
LIGHTNING. THIS ACTIVITY WILL WEAKEN WITH LOSS OF HEATING AND
SHOULD BE CONFINED TO THE MID-LATE AFTERNOON HOURS.

..DARROW.. 03/02/2013

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