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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 499
NWS Storm Prediction Center Norman OK
255 PM CDT Mon Oct 9 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Monday afternoon and evening from 255 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Isolated to scattered severe storms are expected through
mid-evening with hail and wind as the primary hazards. A tornado or
two is also possible, particularly near the Oklahoma and Kansas
The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 45 miles northwest of
Chanute KS to 30 miles south southwest of Muskogee OK. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).
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
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector