SWOD48
SPC AC 150916
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0316 AM CST SUN NOV 15 2009
VALID 181200Z - 231200Z
...DISCUSSION...
OZARKS-AREA UPPER CYCLONE DISCUSSED IN DAY-2/DAY-3 OUTLOOKS IS FCST
TO REJOIN PREVAILING WLYS INVOF UPPER MS VALLEY DAYS
4-5/18TH-20TH...THEN LOSE AMPLITUDE AND EJECT EWD ACROSS CANADIAN
MARITIMES. IN ITS WAKE...MOISTURE RETURN FROM GULF WILL BE
SLOW...PERHAPS INCLUDING WARM SECTOR OF NEXT SIGNIFICANT
PERTURBATION. ALTHOUGH CONSENSUS OF OPERATIONAL AND SREF MODELS
STRONGLY INDICATES DEEP UPPER TROUGH CROSSING WRN/CENTRAL CONUS
DURING DAYS 6-8/20TH-23RD...UNCERTAINTIES REGARDING LOW LEVEL
BOUNDARIES AND QUALITY OF LOW-LEVEL RETURN FLOW PRECLUDE AOA 30% SVR
OUTLOOK ATTM.
..EDWARDS.. 11/15/2009
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