Wow!
Mesoscale Discussion 989
< Previous MD Next MD >
MESOSCALE DISCUSSION 0989
NWS STORM PREDICTION CENTER NORMAN OK
0234 PM CDT MON JUN 08 2009
AREAS AFFECTED...LOWER MI/NORTHERN INDIANA
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 081934Z - 082030Z
SEVERE TSTM THREAT MAY INCREASE THE REMAINDER OF THE AFTERNOON
ACROSS LOWER MI/PERHAPS NORTHERN INDIANA. A WATCH COULD BE NEEDED
SOON...AT LEAST FOR PORTIONS OF LOWER MI.
A SUPERCELL HAS RECENTLY DEVELOPED/QUICKLY GONE SEVERE IN VICINITY
OF LANSING MI AS OF 1930Z...WITH THE POSSIBILITY OF ADDITIONAL
DEVELOPMENT OCCURRING ACROSS SOUTHWEST LOWER MI PER MOST RECENT
VISIBLE SATELLITE IMAGERY. THIS ACTIVITY IS IN CLOSE PROXIMITY TO A
WARM FRONT THAT IS RETREATING NORTHWARD ACROSS LOWER MI THIS
AFTERNOON AHEAD OF UPSTREAM SURFACE LOW ACROSS SOUTHERN WI AND
ASSOCIATED COLD FRONT. HAIL/DAMAGING WINDS WILL BE POSSIBLE...AND
FAVORABLE LOW LEVEL HODOGRAPHS IN VICINITY OF THE WEST-EAST WARM
FRONT ACROSS LOWER MI /PER GRAND RAPIDS AND DETROIT WSR-88D VWP
DATA/ SUGGEST A TORNADO OR TWO MAY BE POSSIBLE AS WELL.