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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 350
NWS Storm Prediction Center Norman OK
235 AM CDT Sun Jun 18 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Sunday morning from 235 AM until 900 AM CDT.
* Primary threats include...
Isolated damaging wind gusts to 70 mph possible
SUMMARY...A band of thunderstorms has become increasingly
well-organized over southwestern Illinois and eastern Missouri, with
measured winds approaching severe limits and some minor damage
reported near Sparta IL. Activity is moving into a more moist and
unstable air mass in the lower Ohio/Wabash Valley regions. The main
threat will be damaging gusts.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 15 miles south southeast
of Cape Girardeau MO to Bloomington IN. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
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 347...WW 348...WW 349...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector