Tuesday, October 14, 2008

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 141909
SWODY1
SPC AC 141906

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0206 PM CDT TUE OCT 14 2008

VALID 142000Z - 151200Z

...NO SVR TSTM AREAS FORECAST...

...SRN PLAINS THROUGH LOW AND MID MS VALLEY REGION...

THIS AFTERNOON A COLD FRONT EXTENDS FROM THE LOWER GREAT LAKES SWWD
INTO SRN MO BECOMING QUASISTATIONARY OR WARM FRONTAL IN CHARACTER
FROM SWRN MO THROUGH W TX. ELEVATED CONVECTION REMAINS WIDESPREAD
WITHIN ZONE OF ISENTROPIC LIFT NORTH OF THE FRONT FROM WRN TX...ERN
NM..SE CO AND KS. HOWEVER...LIGHTNING HAS BEEN SPARSE DUE TO WEAK
MID-LEVEL LAPSE RATES AND MUCAPE. CONVECTION WILL PERSIST TONIGHT AS
SWLY DEEP LAYER FLOW INCREASES AHEAD OF SHORTWAVE TROUGH...ENHANCING
LIFT IN POST FRONTAL ZONE. OTHER SHOWERS AND THUNDERSTORMS WILL
CONTINUE IN WARM SECTOR THIS AFTERNOON FROM S THROUGH N CNTRL TX
WITHIN ZONE OF WEAK CONVECTIVE INHIBITION AND RICH BOUNDARY LAYER
MOISTURE. POOR MID-LEVEL LAPSE RATES AND WEAK INSTABILITY WILL LIMIT
LIGHTNING COVERAGE IN THIS REGION AS WELL.

..DIAL.. 10/14/2008

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