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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 407
NWS Storm Prediction Center Norman OK
355 PM CDT Mon Jul 10 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and Central Indiana
* Effective this Monday afternoon and evening from 355 PM until
1100 PM CDT.
* Primary threats include...
Isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Scattered strong thunderstorms are expected to develop
across northern Illinois over the next few hours. This activity
should mature and spread southeast into Indiana with an attendant
threat of large hail and damaging winds this evening.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 60 miles north
northwest of Peoria IL to 5 miles east northeast of Muncie IN. 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
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