[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 132349
SWOMCD
SPC MCD 132348 
OHZ000-140115-

MESOSCALE DISCUSSION 1980
NWS STORM PREDICTION CENTER NORMAN OK
0648 PM CDT SAT AUG 13 2005

AREAS AFFECTED...NRN OH

CONCERNING...SEVERE THUNDERSTORM WATCH 718...

VALID 132348Z - 140115Z

VALID PORTION OF SEVERE TSTM WATCH 718 CONTINUES UNTIL 02Z. THREAT
FOR ISOLD DAMAGING WIND GUSTS/LARGE HAIL CONTINUES ACROSS NRN OH.

MCV PROGRESSING EWD FROM FAR NE IND INTO NW OH AT THIS TIME.
ALTHOUGH GRADUAL WEAKENING TREND HAS BEEN NOTED IN VOLUMETRIC RADAR
DATA ACROSS FAR NE INDIANA/NRN OH...AND SURFACE BASED INSTABILITY
HAS APPARENTLY BEGUN TO WANE VIA PREVIOUS CONVECTION/LOSS OF DAYTIME
HEATING...AN ISOLD SEVERE THREAT IS EXPECTED TO CONTINUE ACROSS NRN
OH FOR THE NEXT HOUR OR TWO. AIDED BY MCV...NORTHERN INDIANA WSR-88D
VWP IN CONJUNCTION WITH RUC SOUNDINGS SUGGESTIVE OF 30-35 KTS OF
VERTICAL SHEAR WITHIN IMMEDIATE COOL SIDE OF SFC FRONTAL ZONE ACROSS
NCNTRL OH. THIS WILL CONTINUE TO SUPPORT ISOLD SEVERE WIND/HAIL
THREAT OVER THE NEXT HOUR OR TWO.

IT APPEARS REMAINING PORTION OF WW 718 WILL BE ALLOWED TO EXPIRE AS
SCHEDULED AT 02Z.

..GUYER.. 08/13/2005

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

ATTN...WFO...PBZ...CLE...ILN...IWX...

41618439 41668352 41318158 41428069 40758086 40298121
40558458 40918465 

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