SPC Severe Thunderstorm Watch 488

WW 488 SEVERE TSTM MI LH LM 070140Z - 070700Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 488
NWS Storm Prediction Center Norman OK
940 PM EDT Sun Sep 6 2020

The NWS Storm Prediction Center has issued a

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

* Effective this Sunday night and Monday morning from 940 PM
  until 300 AM EDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Isolated damaging wind gusts to 70 mph possible

SUMMARY...Scattered thunderstorms are increasing in coverage and
intensity over portions of Lake Michigan and Lower Michigan. This
activity may become occasionally severe, with the potential for
large hail and locally gusty/damaging winds.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 40 miles northwest of
Muskegon MI to 25 miles north northeast of Bad Axe 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.

&&

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
26035.

...Hart

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0488.html