ACUS11 KWNS 150403
SWOMCD
SPC MCD 150403
MIZ000-150500-

Mesoscale Discussion 0440
NWS Storm Prediction Center Norman OK
1103 PM CDT Tue Apr 14 2026

Areas affected...Southern Lower Michigan

Concerning...Tornado Watch 113...

Valid 150403Z - 150500Z

The severe weather threat for Tornado Watch 113 continues.

SUMMARY...Threat for embedded tornadoes and swaths of wind damage
will persist across southern and southeastern Lower Michigan through
05-06z.

DISCUSSION...Radar imagery suggests the formation of a larger
MCV/comma head structure in southeast Lower MI with persistent
convection.  Embedded mesovortices have been observed within the
comma head, and a swath of likely damaging winds extends south of
the comma head/MCV.  The tornado and wind threat are likely to
persist for the next couple of hours while the convection develops
east-southeastward along the buoyancy gradient, in a zone of strong
low-level flow/shear.

Farther west into southwest Lower MI, the threat for
mesovortices/tornadoes will persist where a N-S bowing segment moves
east-southeastward and intersects a more E-W outflow segment near
the borders of Barry/Eaton and Kalamazoo/Calhoun Counties.

..Thompson.. 04/15/2026

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

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

LAT...LON   43358380 43418329 43128273 42518295 42198333 41898444
            41978592 42168620 42398591 42838429 43358380

MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN