[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 262200
SWOMCD
SPC MCD 262159 
OHZ000-MIZ000-INZ000-ILZ000-262300-

MESOSCALE DISCUSSION 1884
NWS STORM PREDICTION CENTER NORMAN OK
0459 PM CDT TUE JUL 26 2005

AREAS AFFECTED...E-CNTRL IL ACROSS NRN IND

CONCERNING...SEVERE THUNDERSTORM WATCH 686...

VALID 262159Z - 262300Z

WW 686 EXPIRES AT 23Z AND A REPLACEMENT WW MAY BE REQUIRED WITHIN
THE HOUR.

REGIONAL RADAR IMAGERY SHOWS AN INCREASE IN TSTM COVERAGE AND
INTENSIFY FROM S OF MMO TO S OF PIA...LIKELY IN ASSOCIATION WITH
SHORTWAVE TROUGH AND 50-55 KT MID-LEVEL SPEED MAX. MOVING INTO NWRN
IL. MEANWHILE...MESOANALYSIS INDICATES PRIMARY SYNOPTIC FRONT FROM S
OF SBN TO NEAR LOCATION OF AFOREMENTIONED STORMS OVER IL TO NEAR
SZL. ADDITIONAL STRONG TO POTENTIAL SEVERE STORMS ARE ALSO IN
PROGRESS ALONG PRE-FRONTAL CONFLUENCE BAND FROM 40 SW SBN TO 35 WSW
TOL.

AIR MASS ALONG/S OF COLD FRONT REMAINS HOT AND MOIST LATE THIS
AFTERNOON/EARLY THIS EVENING WITH MLCAPES OF 1500-3000 J/KG.
INCREASE IN DEEP-LAYER VERTICAL SHEAR WITH APPROACH OF MID-LEVEL
SPEED MAX FROM THE W...IN CONJUNCTION WITH THIS INSTABILITY ARE
EXPECTED TO SUSTAIN ORGANIZED CLUSTERS OF STORMS CAPABLE OF ISOLATED
HAIL AND DAMAGING WINDS.

..MEAD.. 07/26/2005

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

ATTN...WFO...CLE...DTX...IWX...IND...LOT...ILX...LSX...

40508900 41298826 41828624 41868234 38788903 

WWWW