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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 426
NWS Storm Prediction Center Norman OK
230 PM EDT Wed Aug 11 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Lower Michigan
Much of northwest and north central Ohio
* Effective this Wednesday afternoon and evening from 230 PM
until 800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1 inch in diameter possible
A tornado or two possible
SUMMARY...A line of storms will continue to move eastward from
Indiana into Ohio, with some northward expansion of storms across
southeast Lower Michigan through the afternoon. Damaging winds will
be the main threat, though marginally severe hail could occur with
the strongest updrafts, and a brief tornado or two may also occur
with embedded circulations in line segments.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 5 miles north northwest
of Bad Axe MI to 25 miles west of Columbus OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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
OTHER WATCH INFORMATION...CONTINUE...WW 423...WW 424...WW 425...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 550. Mean storm motion vector