[MCD] SWOMCD

Thu Mar 9 22:52:53 UTC 2006

ACUS11 KWNS 092254
SWOMCD
SPC MCD 092254 
KYZ000-TNZ000-VAZ000-GAZ000-NCZ000-ALZ000-MSZ000-092330-

MESOSCALE DISCUSSION 0214
NWS STORM PREDICTION CENTER NORMAN OK
0454 PM CST THU MAR 09 2006

AREAS AFFECTED...CENTRAL AND NRN AL/MIDDLE AND ERN TN/NRN GA/CENTRAL
AND ERN KY

CONCERNING...SEVERE THUNDERSTORM WATCH 53...

VALID 092254Z - 092330Z

ONE OR TWO NEW WEATHER WATCHES WILL LIKELY BE REQUIRED FROM GA NWD
TO PARTS OF KY.

STRONG SQUALL LINE WITH EMBEDDED BOW ECHO OVER NRN AL WILL CONTINUE
MOVING TOWARD THE NORTHEAST AT 55-60 KT...WITH THE BOW OVER NRN AL
HAVING THE FASTEST SPEED AROUND 60 KT.

LATEST SURFACE PRESSURE ANALYSIS INDICATED A PERSISTENT RISE/FALL
COUPLET EXTENDING FROM CENTRAL MS /RISES/ INTO NRN AL/MIDDLE TN
/FALLS/...WHICH WILL CONTINUE TO AID IN STRONG LOW-LEVEL
CONVERGENCE...MAINTAINING THE FORCED LINE OF CONVECTION.  VAD WIND
DATA OVER MS IN THE WAKE OF THE SQUALL LINE/BOW ECHO INDICATED WSWLY
LOW-LEVEL WINDS AT 55-70 KT IN THE 1-2 KM LAYER AGL.  THIS WILL
FAVOR THREAT FOR DAMAGING WINDS AS THE SQUALL LINE CONTINUES ENEWD. 
DESPITE MARGINAL INSTABILITY...STRONG AFOREMENTIONED FORCING WILL
COMPENSATE FOR WEAKER THERMODYNAMICS SUPPORTING THE CONTINUED SEVERE
THREAT EAST AND NORTH OF WW 53.

..PETERS.. 03/09/2006

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...RLX...GSP...MRX...JKL...FFC...ILN...LMK...OHX...BMX...HUN...MOB...JAN...

32188877 34028740 36018706 37918592 38538446 38018264
35998326 35558335 33808360 32438422 32038692 

WWWW