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078
ACUS48 KWNS 250837
SWOD48
SPC AC 250836

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0336 AM CDT SAT OCT 25 2014

VALID 281200Z - 021200Z

...DISCUSSION...
AS ALLUDED TO IN THE CURRENT D3 OUTLOOK...MOISTURE RETURN AHEAD OF
AN EWD-MOVING/SWD-SAGGING COLD FRONT FROM THE GREAT LAKES TO S-CNTRL
CONUS WILL BE EMANATING FROM A MODIFIED CP AIR MASS. THIS MOISTURE
PLUME WILL BECOME PINCHED OFF ON D4 AS THE UPPER MIDWEST SHORTWAVE
TROUGH TRACKS INTO ONTARIO/QUEBEC. FAST FLOW SHOULD EXIST TUE
AFTERNOON OVER THE NRN PERIPHERY OF SCANT BUOYANCY...WHERE A
MARGINAL SEVERE RISK MAY BECOME EVIDENT ACROSS THE MIDWEST TO LOWER
GREAT LAKES. BEYOND D4...SEVERE PROBABILITIES APPEAR NEGLIGIBLE AS
WEAK OR NLY LOW-LEVEL WINDS BECOME PERVASIVE OVER THE GULF.

..GRAMS.. 10/25/2014




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