The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Click for Watch Status Reports
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 277
NWS Storm Prediction Center Norman OK
245 PM EDT Wed Jun 10 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Extreme northern Kentucky
Much of western and central Ohio
* Effective this Wednesday afternoon and evening from 245 PM
until 1000 PM EDT.
* Primary threats include...
Widespread damaging winds and isolated significant gusts to 75
Scattered large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A broken band of severe storms across Indiana is expected
to spread eastward through the afternoon, with additional storm
development likely into Ohio. Eventual upscale growth into a more
solid squall line is expected by this evening. The storm
environment will be favorable for embedded bowing segments and
supercells capable of producing damaging winds, some significant. A
tornado or two and isolated large hail will also be possible with
the stronger storms.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 35 miles east northeast
of Toledo OH to 50 miles southeast of Cincinnati OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
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
OTHER WATCH INFORMATION...CONTINUE...WW 274...WW 275...WW 276...
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 500. Mean storm motion vector