[SWODY2] SWODY2

[Severe Weather Outlook - Day 2]

ACUS02 KWNS 050508
SWODY2
SPC AC 050507

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1107 PM CST MON DEC 04 2006

VALID 061200Z - 071200Z

...NO TSTM AREAS FORECAST...

BROAD TROUGHING IS EXPECTED TO PERSIST IN THE POLAR WESTERLIES...
ACROSS MUCH OF THE CENTRAL AND EASTERN U.S...INTO WEDNESDAY.  BUT
...MODEL GUIDANCE CONTINUES TO INDICATE THAT THE LAST IN A SERIES OF
AMPLIFICATIONS WITHIN THIS REGIME WILL TAKE PLACE...AS A STRONG
SHORT WAVE TROUGH DIGS OUT OF THE CANADIAN NORTHWEST TERRITORIES
THROUGH MUCH OF THE UPPER MIDWEST.  THIS FEATURE WILL BE PRECEDED IN
THE NORTH CENTRAL STATES BY ANOTHER IMPULSE...EMANATING FROM THE
NORTHEAST PACIFIC.  AND...MODELS SUGGEST THAT A NEW SURFACE COLD
INTRUSION MAY ALREADY BE OCCURRING THROUGH THE PLAINS EARLY
WEDNESDAY...BEFORE STRONG COLD HIGH PRESSURE BUILDS THROUGH MOST
AREAS FROM THE ROCKIES TO THE APPALACHIANS...INCLUDING MUCH OF THE
GULF OF MEXICO...BY 12Z THURSDAY.

WHILE SOME WARMING/MOISTENING OF THE BOUNDARY LAYER OVER THE GULF OF
MEXICO AND WATERS OFF THE SOUTH ATLANTIC COAST MAY OCCUR BY
WEDNESDAY...IN THE WAKE OF A PRIOR COLD INTRUSION...CURRENT
INDICATIONS ARE THAT THIS WILL NOT BECOME SUFFICIENT TO SUPPORT A
SIGNIFICANT INLAND RETURN FLOW.  THUNDERSTORM ACTIVITY...IF
ANY...ALONG/AHEAD OF ADVANCING SURFACE COLD FRONT...LIKELY WILL
REMAIN CONFINED TO THE WATERS OFF THE FLORIDA GULF AND ATLANTIC
COASTS...AND NEAR THE GULF STREAM...OFF THE NORTH CAROLINA COAST.

..KERR.. 12/05/2006