Tuesday, February 7, 2012

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 070637
SWODY2
SPC AC 070636

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1236 AM CST TUE FEB 07 2012

VALID 081200Z - 091200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
LONGWAVE TROUGHING WILL CONTINUE TO PREVAIL EAST OF THE ROCKIES INTO
WEDNESDAY VIA THE INFLUENCE OF A DEEP/COLD VORTEX CENTERED NEAR
HUDSON BAY...WHILE DUAL SHORTWAVE TROUGHS CROSS THE NORTH-CENTRAL
PLAINS TO OH VALLEY/MID-ATLANTIC STATES. BENEATH A NORTHERN
ROCKIES/WESTERN CANADA UPPER RIDGE...A LOW-LATITUDE/CLOSED UPPER LOW
WILL SLOWLY MOVE SOUTHEASTWARD OVER BAJA MEXICO.

THE PREVALENCE OF SURFACE HIGH PRESSURE AND COLD/DRY CONDITIONS WILL
CONSIDERABLY LIMIT TSTM POTENTIAL IN MOST AREAS...WITH A VIRTUALLY
NIL SEVERE TSTM POTENTIAL CONUS-WIDE. TSTM POTENTIAL...ALBEIT A VERY
LOW PROBABILITY WITHIN A WEAKLY FORCED REGIME/POOR LAPSE RATES
ALOFT...WILL BE RELEGATED TO FAR SOUTH FL AS A RELATIVELY MOIST
AIRMASS PERSISTS TO THE SOUTH OF A DIFFUSE FRONT. ELSEWHERE...TSTM
POTENTIAL IN VICINITY OF EXTREME SOUTH TX/ADJACENT OFFSHORE WATERS
IS CURRENTLY EXPECTED TO BE BELOW 10 PERCENT ON WEDNESDAY.

..GUYER.. 02/07/2012

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