[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 132004
SWOMCD
SPC MCD 132003 
OHZ000-MIZ000-INZ000-ILZ000-132130-

MESOSCALE DISCUSSION 1248
NWS STORM PREDICTION CENTER NORMAN OK
0303 PM CDT SUN JUN 13 2004

AREAS AFFECTED...CENTRAL/NRN IND AND WRN OH

CONCERNING...SEVERE THUNDERSTORM WATCH 460...

VALID 132003Z - 132130Z

THUNDERSTORM COVERAGE EXPECTED TO INCREASE NEXT 1-2 HOURS ACROSS
CENTRAL IND SWWD TO THE IL/IND BORDER. CONTINUE WW. 

SURFACE ANALYSIS AT 19Z REVEALS REGION OF 2-3MB/2HR PRESSURE FALLS
ACROSS CENTRAL/SRN IND. THIS REGION IS JUST IN ADVANCE OF WEAK COLD
FRONT AND INCREASING MID-LEVEL CLOUD TRENDS ON VISIBLE SATELLITE
IMAGERY. ANTICIPATE ADDITIONAL SEVERE THUNDERSTORM DEVELOPMENT FROM
INITIAL CLUSTER...NOW NEAR FWA...SWWD ACROSS W-CENTRAL IND TO THE IL
BORDER. AIR MASS ACROSS CENTRAL IND WILL REMAIN MODERATELY UNSTABLE
/100MB MLCAPE VALUES OF 1500-2000 J/KG / IN ADVANCE OF DEVELOPING
STORMS SUPPORTING LARGE HAIL AND DAMAGING WIND THREAT. THE SURFACE
PRESSURE FALLS HAVE LOCALLY BACKED LOW-LEVEL WINDS AROUND CENTRAL
IND...AND MAY SUPPORT AN ISOLATED TORNADO THREAT IF DEVELOPING
STORMS TO THE WEST CAN REMAIN DISCRETE IN NATURE.
MESOSCALE/STORM-SCALE TRENDS WILL CONTINUE TO BE MONITORED ACROSS
W-CENTRAL INTO CENTRAL IND.

..BANACOS.. 06/13/2004

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

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

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