[MCD] SWOMCD

Fri Aug 25 10:03:27 UTC 2006

ACUS11 KWNS 251005
SWOMCD
SPC MCD 251005 
ILZ000-WIZ000-IAZ000-MNZ000-251100-

MESOSCALE DISCUSSION 1880
NWS STORM PREDICTION CENTER NORMAN OK
0505 AM CDT FRI AUG 25 2006

AREAS AFFECTED...SERN MN...SRN/WRN WI AND NERN IA

CONCERNING...SEVERE THUNDERSTORM WATCH 747...

VALID 251005Z - 251100Z

SEVERE THUNDERSTORM WATCH 747 WILL EXPIRE AT 11Z.  

VWP/PROFILERS INDICATE THAT THE LLJ HAS VEERED TO A MORE WLY
COMPONENT ACROSS IA.  SUBSEQUENT SHIFT IN LOW-LEVEL THETA-E
ADVECTION WAS SUPPORTING STRONGER TSTMS ACROSS EXTREME SWRN WI. 
OTHER STORMS HAVE BEEN PERSISTENT ACROSS EXTREME SERN MN AND WCNTRL
WI...ALONG SRN PERIPHERY OF STRONGER HEIGHT FALLS ASSOCIATED WITH
THE IMPULSE MOVING EWD ACROSS MN.  

STORMS HAVE BEEN LARGELY SUB-SEVERE SINCE 06Z...BUT THE THREAT FOR
ISOLD LARGE HAIL WILL CONTINUE GIVEN THE FEED OF STEEP MID-LEVEL
LAPSE RATES INTO THE WRN PORTIONS OF THE TSTM CLUSTERS.  PRIMARY
ISOLD SEVERE THREAT WILL BE ACROSS EXTREME SRN WI...ECNTRL IA AND
NRN IL THROUGH 13Z.  A NEW WW IS NOT ANTICIPATED ACROSS THESE
REGIONS GIVEN MARGINALITY OF THE SEVERE THREAT.

..RACY.. 08/25/2006

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

ATTN...WFO...GRB...LOT...MKX...DVN...ARX...MPX...DMX...

43818922 42268850 41948957 41889031 42109221 44029199
44639166 44779020 

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