MESOSCALE DISCUSSION 0027
NWS STORM PREDICTION CENTER NORMAN OK
0642 PM CST WED JAN 20 2010
...THIS IS AN EDITED NWS PRODUCT...
...ORIGINALLY ISSUED BY SPC NORMAN OKLAHOMA...
AREAS AFFECTED...NORTHEAST TX...
CONCERNING...TORNADO WATCH 1...2...
VALID 210042Z - 210215Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 1...2...CONTINUES.
AN APPRECIABLE TORNADO POTENTIAL IS LIKELY TO CONTINUE THROUGH THE
EARLY/MID EVENING HOURS ESPECIALLY ACROSS FAR NORTHEAST TX.
A NUMBER OF SUPERCELLS /SOME POTENTIALLY TORNADIC/ ARE LIKELY TO
CONTINUE OVER THE NEXT SEVERAL HOURS ESPECIALLY ACROSS FAR NORTHEAST
TX/NORTHERN LA...AND PERHAPS INTO FAR SOUTHEAST OK/FAR SOUTHERN AR.
AS THE UPSTREAM SHORTWAVE TROUGH/SPEED MAXIMA CONTINUES TO CROSS
TX/OK...INCREASING SURFACE CYCLOGENESIS IS MAINTAINING CORRIDOR OF
PRESSURE FALLS/BACKED SOUTHEASTERLY LOW LEVEL FLOW ACROSS FAR
NORTHEAST TX/NORTHERN LA IN VICINITY OF A WNW-ESE ORIENTED WEAK WARM
FRONT. WITH LOW LEVEL FLOW/SRH EXPECTED TO ONLY INCREASE THROUGH MID
EVENING...SCATTERED SUPERCELLS WITH TORNADO/HAIL POTENTIAL WILL
CONTINUE.
..GUYER...SPC NORMAN OK
NWS STORM PREDICTION CENTER NORMAN OK
0642 PM CST WED JAN 20 2010
...THIS IS AN EDITED NWS PRODUCT...
...ORIGINALLY ISSUED BY SPC NORMAN OKLAHOMA...
AREAS AFFECTED...NORTHEAST TX...
CONCERNING...TORNADO WATCH 1...2...
VALID 210042Z - 210215Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 1...2...CONTINUES.
AN APPRECIABLE TORNADO POTENTIAL IS LIKELY TO CONTINUE THROUGH THE
EARLY/MID EVENING HOURS ESPECIALLY ACROSS FAR NORTHEAST TX.
A NUMBER OF SUPERCELLS /SOME POTENTIALLY TORNADIC/ ARE LIKELY TO
CONTINUE OVER THE NEXT SEVERAL HOURS ESPECIALLY ACROSS FAR NORTHEAST
TX/NORTHERN LA...AND PERHAPS INTO FAR SOUTHEAST OK/FAR SOUTHERN AR.
AS THE UPSTREAM SHORTWAVE TROUGH/SPEED MAXIMA CONTINUES TO CROSS
TX/OK...INCREASING SURFACE CYCLOGENESIS IS MAINTAINING CORRIDOR OF
PRESSURE FALLS/BACKED SOUTHEASTERLY LOW LEVEL FLOW ACROSS FAR
NORTHEAST TX/NORTHERN LA IN VICINITY OF A WNW-ESE ORIENTED WEAK WARM
FRONT. WITH LOW LEVEL FLOW/SRH EXPECTED TO ONLY INCREASE THROUGH MID
EVENING...SCATTERED SUPERCELLS WITH TORNADO/HAIL POTENTIAL WILL
CONTINUE.
..GUYER...SPC NORMAN OK
SEVERE WEATHER INFORMATION FOR EMERGENCY MANAGERS & SPOTTERS
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