926
ACUS02 KWNS 210544
SWODY2
SPC AC 210543
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1143 PM CST FRI NOV 20 2009
VALID 221200Z - 231200Z
..NO SVR TSTM AREAS FORECAST
..SYNOPSIS
UPR TROUGH OVER E TX IS EXPECTED TO WEAKEN AND BECOME ABSORBED INTO
THE NRN STREAM OVER THE TN/OH VLYS BY SUNDAY NIGHT.
UPSTREAM...STRONG IMPULSE DIGGING SEWD TO THE S OF THE ALEUTIANS
WILL ARRIVE ONSHORE THE PAC NW EARLY SUNDAY...THEN INTO THE
NRN/CNTRL ROCKIES BY 12Z MONDAY.
..SERN GA/NRN FL
SFC LOW ATTENDANT WITH THE DEAMPLIFYING UPR TROUGH WILL WEAKEN WITH
TRAILING PRE-FRONTAL TROUGH/CDFNT SETTLING SEWD TOWARD NWRN FL LATE
SUNDAY AFTN. MORNING TSTM CLUSTERS/LINES MOVING INTO CNTRL/SRN GA
WILL LIKELY REINFORCE THE E-W ORIENTED BAROCLINIC ZONE ALONG THE
GA/FL BORDER.
SOME RECOVERY OF LLVL MOISTURE WILL OCCUR OVER NRN FL IN WAKE OF
MORNING PCPN...BUT FCST SOUNDINGS EXHIBIT POOR LAPSE RATES AND
BUOYANCY WILL LIKELY BE LIMITED. NONETHELESS...UNTIL THE LOW AND
MID-LVL WIND FIELDS BEGIN TO RELAX DURING THE LATTER HALF OF THE
PD...THERE WILL BE A NON-ZERO THREAT FOR AN ISOLD STG/SVR TSTM
ACROSS NRN FL/SERN GA. SUFFICIENT 0-1KM SHEAR WILL BE PRESENT TO
SUPPORT AN ISOLD AND BRIEF TORNADO. WIDESPREAD SVR TSTMS ARE NOT
EXPECTED.
..RACY.. 11/21/2009
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