URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 307
NWS Storm Prediction Center Norman OK
755 PM EDT Fri Jun 26 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Indiana
Southern Lower Michigan
Extreme northwestern Ohio
Lake Erie
Lake Michigan
* Effective this Friday night and Saturday morning from 755 PM
until 500 AM EDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Severe-thunderstorm potential will increase and shift
east-southeastward across the watch area through the remainder of
the evening, as activity now over northern Illinois and southern
Lake Michigan becomes better organized. Wind is the main threat,
though isolated large hail is expected, and a tornado or two cannot
be ruled out.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 30 miles west of Benton
Harbor MI to 10 miles east southeast of Detroit MI. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
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 305...WW 306...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28035.
...Edwards
Read morefrom SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0307.html
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