SWOMCD
SPC MCD 240700
ALZ000-240830-
MESOSCALE DISCUSSION 2146
NWS STORM PREDICTION CENTER NORMAN OK
0200 AM CDT SUN AUG 24 2008
AREAS AFFECTED...PARTS OF AL...MS...GA
CONCERNING...TORNADO WATCH 859...
VALID 240700Z - 240830Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 859 CONTINUES.
AN ADDITIONAL WW MAY BE ISSUED ACROSS PARTS OF CENTRAL ALABAMA BY
08Z.
LOW-LEVEL SHEAR REMAINS EXTREME BENEATH 50-60 KT CYCLONIC 850 MB
FLOW ON THE NORTHERN PERIPHERY OF THE REMNANTS OF FAY...ACROSS
CENTRAL ALABAMA INTO EAST CENTRAL MISSISSIPPI. THE CORE OF THIS
STRONGER FLOW IS PROGGED TO ROTATE INTO THE WESTERN PERIPHERY OF THE
CIRCULATION BETWEEN NOW AND 10-12Z...WITH GUIDANCE INDICATING
CONSIDERABLE WEAKENING OF SPEEDS AND SHEAR. GIVEN THE WARM MID-
LEVEL ENVIRONMENT...AND TENDENCY TOWARD FURTHER MID-LEVEL WARMING/
SUBSIDENCE OVER MUCH OF THE CURRENT WATCH AREA...TORNADO POTENTIAL
THROUGH THE REMAINDER OF THE NIGHT IS SOMEWHAT UNCERTAIN. THE
THREAT DOES NOT APPEAR PARTICULARLY HIGH NOW...AND IT DOES NOT SEEM
LIKELY TO INCREASE. BUT...THE RISK FOR AN ISOLATED TORNADO IN
LINGERING WEAK CONVECTIVE BANDS ACROSS CENTRAL ALABAMA MAY NOT
BECOME NEGLIGIBLE FOR SEVERAL MORE HOURS.
..KERR.. 08/24/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BMX...
32758790 33278781 33478682 33098593 32638553 32288548
31938554 32408677 32408773
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