SWOD48
SPC AC 130841
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0341 AM CDT TUE MAY 13 2008
VALID 161200Z - 211200Z
...DISCUSSION...
LARGE SCALE PATTERN WILL BECOME INCREASINGLY HOSTILE TOWARD DEEP
MOIST CONVECTION BEYOND THE DAY4 PERIOD. MODELS ARE IN AGREEMENT IN
THE EVOLUTION OF A DEEP UPPER TROUGH OVER THE ERN U.S...WHILE WEAK
TROUGHING HOLDS ACROSS NRN MEXICO/SWRN U.S. INTO EARLY NEXT WEEK.
ALTHOUGH SCATTERED THUNDERSTORMS SHOULD DEVELOP ALONG WEAK FRONTAL
ZONE ACROSS THE SERN U.S. DURING THE DAY4 PERIOD...MEAGER LARGE
SCALE FORCING ALONG THIS WIND SHIFT AND MARGINAL MOISTURE DO NOT
WARRANT A SEVERE RISK AT THIS TIME. BEYOND
DAY4...MOISTURE/INSTABILITY WILL BE SLOW TO RETURN INLAND AS LARGE
SCALE CONFLUENCE MAINTAINS SFC RIDGING ACROSS THE SRN STATES.
..DARROW.. 05/13/2008
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