ACUS48 KWNS 190835
SWOD48
SPC AC 190835
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0335 AM CDT SUN AUG 19 2012
VALID 221200Z - 271200Z
...DISCUSSION...
GUIDANCE IS HIGHLY CONSISTENT THAT THE HEIGHT GRADIENT ASSOCIATED
WITH THE AMPLIFIED UPPER-LEVEL TROUGH IN THE ERN CONUS WILL FURTHER
RELAX. A SHORT WAVE TROUGH CENTERED NEAR THE NRN ROCKIES EARLY WED
SHOULD DAMPEN AS IT EJECTS EWD INTO THE NRN PLAINS/UPPER MS VALLEY
ON D4-6. RICHER LOW-LEVEL MOISTURE SHOULD BE GRADUALLY DRAWN NWD
ACROSS THE PLAINS...BUT KINEMATIC FIELDS APPEAR TO REMAIN MODEST.
THEREAFTER...A MORE VIGOROUS SHORT WAVE TROUGH MAY ADVANCE FROM SWRN
CANADA/PACIFIC NW TOWARDS THE CANADIAN PRAIRIES/FAR NRN PLAINS NEXT
WEEKEND. BUT STRONGER MID-LEVEL FLOW APPEARS TO BE WELL-REMOVED FROM
THE WARM SECTOR/FRONTAL BOUNDARY IN THE N-CNTRL CONUS. THESE SETUPS
DO NOT APPEAR SUPPORTIVE OF HIGHER-END SEVERE COVERAGE.
..GRAMS.. 08/19/2012
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