WW 428 SEVERE TSTM MI WI LS 171420Z – 172100Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 428
NWS Storm Prediction Center Norman OK
920 AM CDT Mon Jun 17 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
The Western Upper Peninsula of Michigan
Northern Wisconsin
Lake Superior
* Effective this Monday morning and afternoon from 920 AM until
400 PM CDT.
* Primary threats include…
Isolated damaging wind gusts to 65 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY…Thunderstorms spreading northeastward this morning and
afternoon should continue to pose some threat for severe hail around
1-1.5 inches in diameter, along with severe/damaging winds up to
55-65 mph.
The severe thunderstorm watch area is approximately along and 80
statute miles north and south of a line from 20 miles west southwest
of Rhinelander WI to 30 miles east of Iron Mountain MI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS…
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
tornadoes.
&&
OTHER WATCH INFORMATION…CONTINUE…WW 427…
AVIATION…A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24035.
…Gleason
