SWOMCD
SPC MCD 230924
GAZ000-ALZ000-FLZ000-231100-
MESOSCALE DISCUSSION 2134
NWS STORM PREDICTION CENTER NORMAN OK
0424 AM CDT TUE OCT 23 2007
AREAS AFFECTED...ERN AL INTO WRN GA
CONCERNING...TORNADO WATCH 731...732...
VALID 230924Z - 231100Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 731...732...CONTINUES.
THOUGH A MORE WIDESPREAD SEVERE THREAT APPEARS TO BE
DIMINISHING...POTENTIAL STILL EXISTS FOR LOCALLY DAMAGING WIND GUSTS
AND PERHAPS A BRIEF TORNADO OR TWO.
AS OF 0915Z...REGIONAL RADAR IMAGERY INDICATED A QUASI-LINEAR
CONVECTIVE SYSTEM /QLCS/ FROM JUST E OF RMG TO 10 NW LGC TO TOI TO
CEW WITH A SYSTEM MOTION OF 245/30 KT. IR SATELLITE...LIGHTNING
DETECTION NETWORK AND RADAR DATA SETS ALL INDICATE A GENERAL
WEAKENING TREND TO QLCS AS IT PROGRESSES EWD THROUGH FAR ERN AL AND
WRN GA EARLY THIS MORNING. RUC OBJECTIVE FIELDS SUGGEST THAT
INCREASING STABILITY WITHIN INFLOW AIR MASS IS LIKELY ONE OF THE
CAUSATIVE FACTORS CONTRIBUTING TO THE WEAKENING OF THE SYSTEM.
WHILE OVERALL SEVERE THREAT SHOULD TEND TO DIMINISH THROUGH
12Z...CURRENT VWPS OVER SERN AL INTO NWRN GA INDICATE THAT BOTH LOW
AND DEEP LAYER VERTICAL SHEAR REMAIN RELATIVELY STRONG. AS
SUCH...POTENTIAL WILL STILL EXIST FOR ISOLATED...EMBEDDED SUPERCELL
AND/OR BOWING STRUCTURES CAPABLE OF LOCALLY DAMAGING WINDS AND
PERHAPS A BRIEF TORNADO OR TWO.
.MEAD.. 10/23/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FFC...TAE...BMX...MOB...
30998676 31648677 31698659 32588651 32628614 33638595
34398548 34698508 34458452 33298414 32818426 32098489
31708505 30928615
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