SWOMCD
SPC MCD 272234
ILZ000-MOZ000-272330-
MESOSCALE DISCUSSION 0607
NWS STORM PREDICTION CENTER NORMAN OK
0534 PM CDT MON APR 27 2009
AREAS AFFECTED...WRN AND CNTRL IL
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 272234Z - 272330Z
AN ISOLATED DAMAGING WIND THREAT EXISTS DURING THE NEXT HR OR TWO
OVER WRN AND CNTRL IL...BUT A WW DOES NOT APPEAR NECESSARY.
A BOW ECHO IS MOVING ENE AT AROUND 25 KT INTO W CNTRL IL...AND MAY
POSE AN ISOLATED THREAT OF DAMAGING WIND GUSTS DURING THE NEXT HR OR
TWO. RUC FORECAST SOUNDINGS AHEAD OF THE BOW INDICATE VERY MOIST
LOW/MID LVL LAPSE RATES EXIST ACROSS THE REGION...WITH LITTLE
ADDITIONAL DESTABILIZATION LIKELY DUE TO WIDESPREAD CLOUD COVER. AS
A RESULT...BOTH MOST UNSTABLE AND MIXED LAYER CAPE VALUES WILL
REMAIN QUITE LOW...WHICH SHOULD PRECLUDE A MORE ROBUST SVR WEATHER
THREAT DESPITE GENERALLY FAVORABLE WIND PROFILES.
..GARNER.. 04/27/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ILX...LSX...DVN...
LAT...LON 40659011 40778945 40408885 39718931 39289022 39289104
39969090 40439048 40659011
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