[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 220048
SWOMCD
SPC MCD 220047 
MOZ000-ARZ000-OKZ000-KSZ000-220215-

MESOSCALE DISCUSSION 0638
NWS STORM PREDICTION CENTER NORMAN OK
0747 PM CDT THU APR 21 2005

AREAS AFFECTED...SWRN/SCNTRL MO

CONCERNING...TORNADO WATCH 181...

VALID 220047Z - 220215Z

SGF 00Z SOUNDING SUGGESTS THAT THE AIR MASS ACROSS SWRN/SCNTRL MO
REMAINS UNSTABLE WITH STEEP MID-LEVEL LAPSE RATES.  EARLIER TSTMS
THAT DEVELOPED ALONG THE DRYLINE-WWD MOVING OUTFLOW BOUNDARY
INTERSECTION CONTINUE ALONG THE MO/KS LINE...WITH A LONG-LIVED
TORNADIC SUPERCELL OVER CRAWFORD COUNTY KS.  

RUC FORECASTS THE SWLY LLJ TO INCREASE THROUGH THE EVENING ACROSS
SWRN/SCNTRL MO.  GIVEN INSTABILITY IN PLACE AND INCREASING WARM
ADVECTION...TSTMS MAY BEGIN TO EXPAND EWD THE NEXT SEVERAL HOURS.  
GIVEN THE COOLING BOUNDARY LAYER...THE TORNADO THREAT MAY GRADUALLY
DIMINISH LATER THIS EVENING...BUT WIND/HAIL WILL REMAIN THREATS FOR
SEVERAL HOURS.

..RACY.. 04/22/2005

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

ATTN...WFO...LSX...SGF...TSA...ICT...

36339564 37419484 37959467 38159286 38159147 36689146
36589353 

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