Friday, November 2, 2012

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 020450
SWODY2
SPC AC 020449

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1149 PM CDT THU NOV 01 2012

VALID 031200Z - 041200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A CONFLUENT FLOW PATTERN WILL EXIST ACROSS THE CNTRL STATES WITH A
SEWD MOVING SHORTWAVE TROUGH AFFECTING THE UPPER MS VALLEY WHILE A
SRN STREAM TROUGH MOVES EWD ACROSS TX. AT THE SFC...A COLD FRONT
WILL EXTEND FROM TX SWWD TO THE RED RIVER AROUND 00Z ALONG WITH A
PRE-FRONTAL TROUGH. SLY FLOW AHEAD OF THE FRONT WILL MAINTAIN MID
50S F TO NEAR 60 F DEWPOINTS...CREATING UNSTABLE CONDITIONS.

...NERN TX...SRN AR...FAR SRN OK AND NWRN LA...
STRONG HEATING WILL ALLOW FOR AN UNCAPPED AND UNSTABLE ATMOSPHERE TO
DEVELOP FROM NERN TX INTO SRN AR. FORECAST SOUNDINGS SHOW AMPLE
INSTABILITY FOR STRONG STORMS. AS THE COLD FRONT CONTINUES
SWD...CONVERGENCE MAY BE ENOUGH FOR SCATTERED THUNDERSTORMS...A FEW
OF WHICH COULD PRODUCE MARGINALLY SEVERE HAIL OR WIND. WIND SHEAR
WILL BE WEAK...AND WILL FAVOR S TO SWWD PROPAGATING STORMS BEGINNING
IN AR...THEN SPREADING INTO NERN TX OVERNIGHT.

..JEWELL.. 11/02/2012

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