Thursday, November 1, 2012

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 010448
SWODY2
SPC AC 010447

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1147 PM CDT WED OCT 31 2012

VALID 021200Z - 031200Z

...NO SVR TSTM AREAS FORECAST...

...MID MS VALLEY...

NRN ROCKIES/PLAINS SHORT-WAVE TROUGH IS EXPECTED TO TURN SEWD TOWARD
THE UPPER/MID MS VALLEY REGION DURING THE LATTER HALF OF THE DAY2
PERIOD. ALONG THE SRN FRINGE OF THIS FEATURE WEAK HEIGHT FALLS WILL
OVERSPREAD SRN IA/NRN MO INTO CNTRL IL AND ASCENT WILL INCREASE
ALONG A RIBBON OF WARM ADVECTION PRIMARILY AFTER 03/00Z. LATEST
THINKING IS STEEPENING LAPSE RATES AND MOISTENING PROFILES WILL LEAD
TO ELEVATED CONVECTION ACROSS NRN MO BY 03-06Z. SUBSEQUENT
MOVEMENT/DEVELOPMENT IS EXPECTED ACROSS IL INTO SRN IND AFTER 06Z.
THIS ACTIVITY WILL EVOLVE ALONG NOSE OF VEERED LLJ THAT SHOULD
INTENSIFY TO NEAR 50KT BY MIDNIGHT. AT THIS TIME IT APPEARS
INSTABILITY WILL BE TOO WEAK TO SUPPORT MORE THAN SMALL HAIL WITH
STORMS THAT SHOULD BE ROOTED BETWEEN 800-750MB.

..DARROW.. 11/01/2012

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