SWODY3
SPC AC 130745
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0145 AM CST THU JAN 13 2011
VALID 151200Z - 161200Z
...SYNOPSIS...
VARIABILITY BEGINS TO INCREASE AMONG THE MODELS DURING THIS PERIOD
CONCERNING ONE SHORT WAVE TROUGH SPLIT OFF THE MAIN BELT OF STRONGER
FLOW ACROSS THE NORTHERN MEXICAN PLATEAU AND LOWER RIO GRANDE
VALLEY...AND DIGGING UPSTREAM IMPULSES. BUT GENERAL MID-LEVEL
HEIGHT FALLS ARE PROGGED ACROSS MUCH OF THE INTERMOUNTAIN
WEST/ROCKIES AND PLAINS...WITH CYCLONIC FLOW EXPANDING WESTWARD TO
ENCOMPASS MUCH OF THE U.S...DOWNSTREAM OF AN AMPLIFIED RIDGE NEAR
THE PACIFIC COAST. THIS PATTERN IS EXPECTED TO CONTRIBUTE TO THE
MAINTENANCE OF GENERALLY STABLE CONDITIONS AND LOW CONVECTIVE
POTENTIAL ACROSS MOST AREAS. HOWEVER...A GRADUAL MOISTENING OF THE
BOUNDARY LAYER OVER THE WESTERN GULF OF MEXICO...AND RETURN FLOW
INLAND INTO PARTS OF SOUTHERN TEXAS AND LOWER TEXAS COASTAL
AREAS...MAY BE ACCOMPANIED BY SUFFICIENT DESTABILIZATION FOR
CONVECTION AND EMBEDDED THUNDERSTORMS SATURDAY NIGHT. THE RISK FOR
SEVERE STORMS APPEARS VERY LOW AT THE PRESENT TIME.
..KERR.. 01/13/2011
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