SWOMCD
SPC MCD 272303
MOZ000-ARZ000-OKZ000-KSZ000-272330-
MESOSCALE DISCUSSION 0609
NWS STORM PREDICTION CENTER NORMAN OK
0603 PM CDT MON APR 27 2009
AREAS AFFECTED...NERN OK...SERN KS...SWRN MO...NWRN AR
CONCERNING...SEVERE THUNDERSTORM WATCH 201...
VALID 272303Z - 272330Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 201
CONTINUES.
SEVERE THUNDERSTORM WATCH 201 WILL BE ALLOWED TO EXPIRE AT 00Z.
FAVORABLE LOW LVL FORCING FOR THUNDERSTORM INITIATION CONTINUES TO
RESIDE ALONG FRONTAL BOUNDARY THAT IS LOCATED FROM S CNTRL OK INTO
SWRN MO. HOWEVER...LARGE SCALE ASCENT ASSOCIATED WITH GREAT PLAINS
S/W TROUGH IS EXITING THE REGION...AND REGIONAL RADAR REFLECTIVITY
APPEARS TO BE REFLECTING THE LACK OF STRONGER
ASCENT/DESTABILIZATION...WITH MOST STORM ACTIVITY DISPLAYING
CONSIDERABLE DOWNWARD TREND IN STRENGTH. THEREFORE...WW 201 WILL BE
ALLOWED TO EXPIRE BY 00Z...WITH REPLACEMENT WATCH UNLIKELY.
..GARNER.. 04/27/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LSX...LZK...SGF...TSA...ICT...OUN...
LAT...LON 34899699 35579681 36949691 38769165 36719168 34899699
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