SPC Severe Thunderstorm Watch 121

SPC Severe Thunderstorm Watch 121

WW 121 SEVERE TSTM MI LE LH 171550Z – 172300Z

Severe Thunderstorm Watch Number 121
NWS Storm Prediction Center Norman OK
1150 AM EDT Wed Apr 17 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Central and Southern Lower Michigan
Lake Erie
Lake Huron

* Effective this Wednesday morning and evening from 1150 AM until
700 PM EDT.

* Primary threats include…
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
A tornado or two possible

SUMMARY…A line of thunderstorms currently developing across
southwestern Lower Michigan is expected to continue northeastward
throughout the day while intensifying. Primary severe hazards within
this developing line will be damaging gusts, with some isolated hail
possible as well.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 20 miles northwest of
Kalamazoo MI to 30 miles north northeast of Mount Clemens MI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).


REMEMBER…A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce


AVIATION…A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector


Read more

Read More