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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

EXPIRED Severe Thunderstorm Watch #0505 for Northern Lower Michigan, Lake Huron, Lake Michigan, Lake Superior

Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
A tornado or two possible

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EXPIRED Severe Thunderstorm Watch #0505

Locations Affected

Northern Lower Michigan

Lake Huron

Lake Michigan

Lake Superior

Severe Thunderstorm Watch Summary

Widely scattered intense storms over Upper Michigan and northern Wisconsin will track southeastward into the watch area this evening, posing a risk of damaging winds and hail. A tornado or two is possible.

Severe Weather Threats

Scattered damaging wind gusts to 70 mph possible

Isolated very large hail events to 2 inches in diameter possible

A tornado or two possible

Severe Thunderstorm Watch Details

SEL5

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 505
NWS Storm Prediction Center Norman OK
750 PM EDT Mon Jul 20 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northern Lower Michigan
  Lake Huron
  Lake Michigan
  Lake Superior

* Effective this Monday night and Tuesday morning from 750 PM
  until 200 AM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated very large hail events to 2 inches in diameter possible
  A tornado or two possible

SUMMARY...Widely scattered intense storms over Upper Michigan and
northern Wisconsin will track southeastward into the watch area this
evening, posing a risk of damaging winds and hail.  A tornado or two
is possible.

The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 15 miles southeast of
Manistee MI to 40 miles north northeast of Pellston MI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).

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 500...WW 501...WW 504...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28030.

...Hart

National Risk Overview

Tuesday, July 21: TORNADO: 5%; HAIL: 15%; WIND: 45%
Wednesday, July 22: TORNADO: 2%; HAIL: low; WIND: 15%
Thursday, July 23: ANY SEVERE: low
Friday, July 24: ANY SEVERE: predictability too low
Saturday, July 25: ANY SEVERE: predictability too low
Sunday, July 26: ANY SEVERE: predictability too low
Monday, July 27: ANY SEVERE: predictability too low
Tuesday, July 28: ANY SEVERE: predictability too low

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