SPC Severe Thunderstorm Watch 652



WW 652 SEVERE TSTM IN MI OH LE LH 131845Z – 140100Z

WW 0652 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 652
NWS Storm Prediction Center Norman OK
245 PM EDT Fri Sep 13 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northeast Indiana
  Southeast Lower Michigan
  Northwest Ohio
  Lake Erie
  Lake Huron

* Effective this Friday afternoon and evening from 245 PM until
  900 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Scattered thunderstorms developing from northeast Indiana
to southeast Lower Michigan should spread east-northeast through the
rest of the afternoon into early evening. Scattered damaging winds
are the main threat, but a tornado or two will also be possible
across southeast Lower Michigan through late afternoon.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 40 miles southwest of
Findlay OH to 85 miles north northeast of Mount Clemens MI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU2).

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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24030.

...Grams

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