SWOMCD
SPC MCD 062315
OHZ000-INZ000-070015-
MESOSCALE DISCUSSION 1257
NWS STORM PREDICTION CENTER NORMAN OK
0615 PM CDT FRI JUN 06 2008
AREAS AFFECTED...NW OH
CONCERNING...TORNADO WATCH 475...
VALID 062315Z - 070015Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 475 CONTINUES.
A SEVERE THREAT WILL LIKELY DEVELOP ACROSS NW OH EARLY THIS EVENING.
WIND DAMAGE SHOULD BE THE MAIN THREAT. A NEW WW OR A LOCAL EXTENSION
MAY BECOME NECESSARY WITH THE NEXT FEW HOURS FOR NW OH.
A LINEAR MCS IS CURRENTLY ONGOING ACROSS CNTRL IND ASSOCIATED WITH A
SHORTWAVE TROUGH EMBEDDED IN SWLY FLOW ALOFT EVIDENT ON WATER VAPOR
IMAGERY. THE MCS IS MOVING NEWD AT ABOUT 50 KT AND THIS SHOULD
QUICKLY TAKE THE STORM CLUSTER NEWD INTO NW OH THIS EVENING. THE
LATEST RUC OBJECTIVE GUIDANCE SHOWS STEEP LOW-LEVEL LAPSE RATES
EXCEEDING 7.0 C/KM ACROSS NW OH. IN ADDITION...STRONG UNIDIRECTIONAL
LOW-LEVEL FLOW EXISTS ON REGIONAL WSR-88D VWPS WHICH COMBINED WITH
THE FAST STORM MOTION WILL MAKE WIND DAMAGE POSSIBLE ACROSS NW OH
THIS EVENING. IF THE MCS PERSISTS THROUGH LATE EVENING...THE WIND
DAMAGE THREAT MAY ALSO DEVELOP ALONG THE WRN SHORES OF LAKE ERIE IN
THE VICINITY OF TOLEDO.
..BROYLES.. 06/06/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CLE...ILN...IWX...
40388306 40168446 40708499 41508477 41698428 41708330
41338291
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