SWODY2
SPC AC 171729
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1129 AM CST SAT DEC 17 2011
VALID 181200Z - 191200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
SPLIT UPPER FLOW WILL PREVAIL OVER THE CONUS THROUGH SUNDAY. THE
CLOSED/CUT-OFF UPPER LOW CURRENTLY CENTERED OVER NORTHERN BAJA WILL
FINALLY BEGIN TO GRADUALLY ACCELERATE/SPREAD EASTWARD OVER THE FAR
SOUTHERN PORTIONS OF AZ/NM AND NORTHERN MEXICO ON SUNDAY. TSTM
POTENTIAL FOR THE PERIOD WILL BE RELEGATED TO THE SOUTHWEST
CONUS...WITH COOL/STABLE CONDITIONS PRECLUDING TSTM POTENTIAL
ELSEWHERE.
...LOWER CO RIVER VALLEY/SOUTHERN ROCKIES TO WEST TX...
AS THE AFOREMENTIONED UPPER LOW SHIFTS EASTWARD...ASSOCIATED
DPVA/PLUME OF STEEP LAPSE RATES ALOFT AND A WARM CONVEYOR AHEAD OF
THE EASTWARD-ADVANCING PACIFIC COLD FRONT WILL CONTRIBUTE TO
ISOLATED TSTMS. DURING THE DAY THIS WILL BE THE CASE ACROSS THE
SOUTHERN PORTIONS OF AZ/NM...BEFORE SPREADING INTO PORTIONS OF
SOUTHWEST/WEST TX LATE SUNDAY NIGHT. WHILE SMALL HAIL MAY BE
POSSIBLE SUNDAY EVENING/NIGHT ACROSS FAR SOUTHERN NM/SOUTHWEST
TX...A SEVERE THREAT IS NOT EXPECTED GIVEN WEAK BUOYANCY.
..GUYER.. 12/17/2011
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