MESO: Mesoscale Discussion 0984

ACUS11 KWNS 031845
SWOMCD
SPC MCD 031845
OHZ000-MIZ000-KYZ000-INZ000-032015-

MESOSCALE DISCUSSION 0984
NWS STORM PREDICTION CENTER NORMAN OK
0145 PM CDT SUN JUN 03 2007

AREAS AFFECTED...SE LOWER MI...FAR ERN IND...FAR WRN OH...NRN KY

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 031845Z - 032015Z

A SEVERE THREAT MAY DEVELOP ACROSS THE REGION THIS AFTERNOON.
ISOLATED WIND DAMAGE AND HAIL WILL BE POSSIBLE WITH THE STRONGER
CELLS OVER THE NEXT FEW HOURS. THE THREAT SHOULD REMAIN TOO MARGINAL
FOR A WW.

18Z SFC ANALYSIS SHOWS THE CENTER OF A SFC LOW NEAR CHICAGO IL WITH
A SFC TROUGH EXTENDING SEWD ACROSS IND INTO NRN KY. DEWPOINTS ALONG
THIS TROUGH ARE IN THE MID 60S F AND OBJECTIVE ANALYSIS INDICATES
POCKETS OF MODERATE INSTABILITY ARE DEVELOPING NEAR LOUISVILLE KY
AND TOLEDO OH. ALTHOUGH VERTICAL SHEAR ON REGIONAL WSR-88D VWPS IS
RELATIVELY WEAK ACROSS MUCH OF THE OH VALLEY...ENOUGH INSTABILITY
MAY DEVELOP FOR AN ISOLATED SEVERE THREAT. IN ADDITION...A LOW-LEVEL
JET AND 0-3 KM LAPSE RATES ARE INCREASING ACROSS ERN IND AND WRN OH
ACCORDING TO THE LATEST RUC ANALYSIS. THIS SUGGESTS AN ISOLATED WIND
DAMAGE POTENTIAL MAY EXIST WITH THE STRONGER CELLS THIS AFTERNOON.
DUE TO RELATIVELY WEAK VERTICAL SHEAR...THE THREAT SHOULD REMAIN
MARGINAL

.BROYLES.. 06/03/2007

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

ATTN...WFO...CLE...ILN...DTX...LMK...IWX...GRR...IND...

38058445 37648490 37638545 37968572 39118566 40528527
42258466 42988413 43118346 42658295 42058319 40948366
39368420

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