ACUS02 KWNS 201724
SWODY2
SPC AC 201722
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1122 AM CST SUN JAN 20 2013
VALID 211200Z - 221200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
AN EXPANSIVE MID-LEVEL TROUGH WILL REMAIN ANCHORED FROM HUDSON BAY
INTO THE ERN CONUS...WHILE A RIDGE PERSISTS ALONG THE W COAST. AT
THE SURFACE...A BROAD ANTICYCLONE ACROSS THE LEE OF THE CANADIAN
ROCKIES WILL SHIFT SEWD TO THE MO VALLEY. AIR MASS OVER MUCH OF THE
CONUS WILL BE HOSTILE TO DEEP CONVECTION. AN EXCEPTION MAY BE IN THE
LEE OF THE LOWER GREAT LAKES WHERE STEEP LOW-LEVEL LAPSE RATES WILL
EXIST. BUT COLD BOUNDARY LAYER TEMPERATURES AMIDST MEAGER BUOYANCY
SHOULD PRECLUDE APPRECIABLE CHARGE SEPARATION...MITIGATING A GENERAL
TSTM HIGHLIGHT.
..GRAMS.. 01/20/2013
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