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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 321
NWS Storm Prediction Center Norman OK
905 PM EDT Mon Jun 12 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Lower Michigan
* Effective this Monday night and Tuesday morning from 905 PM
until 400 AM EDT.
* Primary threats include...
Isolated damaging wind gusts to 70 mph possible
SUMMARY...A well-developed, occasionally severe, bowing arc of
thunderstorms in eastern Wisconsin may survive its trek across a
shallow/stable marine layer of Lake Michigan and pose a threat of
damaging wind in Lower Michigan.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 45 miles southwest of
Manistee MI to 5 miles north northeast of Bad Axe 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
OTHER WATCH INFORMATION...CONTINUE...WW 317...WW 318...WW
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 450. Mean storm motion vector