[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 240728
SWOMCD
SPC MCD 240728 
MSZ000-LAZ000-240800-

MESOSCALE DISCUSSION 2453
NWS STORM PREDICTION CENTER NORMAN OK
0128 AM CST WED NOV 24 2004

AREAS AFFECTED...PORTIONS OF ERN LA INTO SWRN/CENTRAL MS

CONCERNING...TORNADO WATCH 890...

VALID 240728Z - 240800Z

TORNADOES WILL BE POSSIBLE ACROSS THE ERN HALF OF WW 890 UNTIL
08-09Z...PRIOR TO THE PASSAGE OF A FAST MOVING SQUALL LINE. 
DAMAGING WINDS WILL BE LIKELY WITH THE SQUALL LINE.  ERN PORTIONS OF
WW 890 WILL NEED TO BE EXTENDED IN TIME.

REGIONAL RADARS SHOW DISCRETE STRONG TO SEVERE STORMS FROM CENTRAL
MS SWWD INTO SERN LA...WITH A SQUALL LINE EXTENDING FROM NERN-SWRN
LA.  STRONG DEEP LAYER SHEAR AND WARM SECTOR AIR MASS IN ADVANCE OF
THE SQUALL LINE REMAINS SUPPORTIVE OF DISCRETE SUPERCELLS AND
FAVORABLE FOR TORNADOES...GIVEN 0-1 KM SRH VALUES RANGING FROM
200-300 M2/S2. DAMAGING WINDS WILL THEN BE LIKELY WITH THE FAST
MOVING SQUALL LINE.  THE NRN PORTION OF THE SQUALL LINE IS MOVING
ENEWD AT 50-60 KT INTO WEST CENTRAL MS...WITH THE SRN PORTION MOVING
ENEWD AT 40-45 KT INTO SWRN MS/SERN LA.  AT 08Z THIS SQUALL LINE
SHOULD EXTEND FROM YAZOO COUNTY MS TO ST LANDRY PARISH LA...AND THEN
TO FAR ERN PORTIONS OF WW 890 BY 09Z.

..PETERS.. 11/24/2004

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

ATTN...WFO...JAN...LIX...LCH...SHV...

30479279 31469191 32399162 32879180 32918891 30419099 

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