SWOMCD
SPC MCD 052237 COR
MIZ000-OHZ000-INZ000-052330-
MESOSCALE DISCUSSION 1399
NWS STORM PREDICTION CENTER NORMAN OK
0537 PM CDT THU JUL 05 2007
AREAS AFFECTED...LOWER MI...FAR NE IND...FAR NW OH
CONCERNING...SEVERE THUNDERSTORM WATCH 488...
VALID 052237Z - 052330Z
CORRECTED FOR OFFICES LISTED
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 488
CONTINUES.
A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS ACROSS THE CNTRL PART OF
WW 488 SHOULD CONTINUE TO HAVE A POTENTIAL FOR LARGE HAIL AND WIND
DAMAGE OVER THE NEXT FEW HOURS.
LATEST WATER VAPOR IMAGERY AND RUC ANALYSIS SUGGEST A SHORTWAVE
TROUGH IS EMBEDDED IN NWLY FLOW ALOFT NEAR LAKE MICHIGAN.
LARGE-SCALE ASCENT ASSOCIATED WITH THIS FEATURE IS LIKELY SUPPORTING
SCATTERED STRONG TO SEVERE THUNDERSTORM ACTIVITY ACROSS THE SRN
PENINSULA OF MI ATTM. IN ADDITION TO THE MODERATE VERTICAL SHEAR
SHOWN ON THE LATEST DETROIT WSR-88D VWP...MID-LEVEL LAPSE RATES ARE
VERY STEEP. THIS SHOULD SUSTAIN AN ISOLATED SUPERCELL THREAT WITH
POTENTIAL FOR LARGE HAIL. UNIDIRECTIONAL FLOW MAY ALSO BE FAVORABLE
FOR ISOLATED WIND DAMAGE AS WELL. THE SEVERE THREAT SHOULD CONTINUE
EAST OF HIGHWAY 127 FOR A FEW MORE HOURS. THE THREAT APPEARS TO HAVE
DIMINISHED ACROSS MUCH OF THE WRN PART OF WW 488.
.BROYLES.. 07/05/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CLE...DTX...APX...IWX...GRR...
45728429 45138480 45128524 45018653 44148673 43518671
42668595 41328585 41098506 41038389 41458355 42368261
43668194 45028225 45648271 45728379
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