[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 222309
SWOMCD
SPC MCD 222308
INZ000-KYZ000-TNZ000-ILZ000-MOZ000-222345-

MESOSCALE DISCUSSION 1312
NWS STORM PREDICTION CENTER NORMAN OK
0608 PM CDT THU JUN 22 2006

AREAS AFFECTED...SERN IL/FAR SERN MO/SRN IND/WRN KY

CONCERNING...SEVERE THUNDERSTORM WATCH 540...

VALID 222308Z - 222345Z

NEW WW WILL BE REQUIRED BY 00Z TO REPLACE MOST OF WW 540.

REGIONAL RADARS/SATELLITE IMAGERY INDICATED A WELL DEFINED SHORT
WAVE TROUGH AND/OR MCV NOW LOCATED OVER ALONG THE MO/IL BORDER AND
TRACKING EWD.  ASCENT WITH THIS FEATURE IS RESULTING IN A LINE OF
BROKEN THUNDERSTORMS EXTENDING SWWD FROM SWRN IL /JUST E OF STL/ TO
NERN AR.  ADDITIONAL STORMS HAVE ALSO DEVELOPED DOWNSTREAM OF THIS
ACTIVITY WITHIN WARM SECTOR WHERE THE AIR MASS REMAINS MODERATELY
UNSTABLE /MLCAPE VALUES UP TO 2000-2500 J/KG/. DESPITE MODEST DEEP
LAYER SHEAR /AROUND 20 KT/ WIND FIELDS ENHANCED BY MCV MAY PROVE
SUFFICIENT FOR ORGANIZED STORMS.  IN ADDITION...ESTABLISHED COLD
POOL IS EXPECTED TO SUPPORT ADDITIONAL THREAT FOR STRONG WIND GUSTS
AS THE LINE OF STORMS SPREADS EWD THIS EVENING INTO FAR SERN MO/SRN
IL TO SRN IND/WRN KY.

..PETERS.. 06/22/2006

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

ATTN...WFO...ILN...LMK...OHX...IND...PAH...ILX...MEG...LSX...

36579084 39518859 39528565 39478534 38618548 36598684
36488928

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