SPC Severe Thunderstorm Watch 170

WW 170 SEVERE TSTM IN KY OH 290010Z - 290600Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 170
NWS Storm Prediction Center Norman OK
810 PM EDT Fri Apr 28 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southeast Indiana
  Extreme north central Kentucky
  Southwest Ohio

* Effective this Friday night and Saturday morning from 810 PM
  until 200 AM EDT.

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

SUMMARY...Clusters of slightly elevated storms, with some supercell
structures, will likely persist and spread eastward from Indiana
into Ohio through early tonight.  The strongest storms will be
capable of producing large hail and damaging winds.

The severe thunderstorm watch area is approximately along and 30
statute miles north and south of a line from 115 miles west of
Cincinnati OH to 85 miles east of Cincinnati OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).

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
27035.

...Thompson

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