Storm Prediction Center Mesoscale Discussion 774

   Mesoscale Discussion 0774
   NWS Storm Prediction Center Norman OK
   0216 PM CDT Mon May 18 2026

   Areas affected...Southern and Central Michigan

   Concerning...Severe Thunderstorm Watch 221...

   Valid 181916Z - 182045Z

   The severe weather threat for Severe Thunderstorm Watch 221
   continues.

   SUMMARY...The severe thunderstorm threat for WW 221 continues.
   Severe thunderstorms capable of damaging straight-line winds are
   ongoing and expected to persist.

   DISCUSSION...Severe thunderstorms capable of primarily damaging
   straight-line winds are ongoing across WW 221. Several measured
   gusts of 60-75 MPH have been observed in the wake of the apex of the
   bowing line segment. A localized corridor along the leading edge and
   apex of the bowing segment exists where the wind damage threat is
   maximized, with gusts to 80 MPH possible. These storms are expected
   to persist and maintain their intensity with eastward extend as they
   cross central and southern Michigan.

   ..Halbert.. 05/18/2026

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...CLE...DTX...IWX...GRR...

   LAT...LON   41698533 42398515 42698526 43028556 43368565 43728465
               43698355 43408293 42788271 42298279 41838301 41728355
               41698533 

   MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
   MOST PROBABLE PEAK WIND GUST...65-80 MPH
   MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN