SPC AC 231956
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0156 PM CST TUE JAN 23 2007
VALID 232000Z - 241200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
POSITIVELY TILTED UPPER TROUGH WILL PERSIST FROM GREAT LAKES SWWD
ACROSS MO TO NWRN MEX. BASE OF TROUGH IS CHARACTERIZED BY CYCLONE
NOW EVIDENT IN MOISTURE CHANNEL IMAGERY OVER CHIHUAHUA...ELONGATED
SW-NE IN ALIGNMENT WITH PARENT TROUGH. BY END OF PERIOD...EXPECT
THIS LOW TO BEGIN RETROGRADING SWWD ACROSS NWRN MEX TOWARD CUT-OFF
POSITION. E OF THIS LOW...ELEVATED LOW LEVEL WAA REGIME WILL
PERSIST OVER PORTIONS ERN MEX...NWRN GULF AND S TX...LEADING TO
BROAD SWATCH OF CLOUDS AND PRECIP...BUT TOO LITTLE INSTABILITY TO
SUPPORT TSTMS OVER CONUS. BUOYANCY ALSO SHOULD REMAIN TOO WEAK TO
SUPPORT LIGHTNING WITH CONVECTION EXPECTED INVOF FRONTAL ZONE ACROSS
SRN FL.
..EDWARDS.. 01/23/2007
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z
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