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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 57
NWS Storm Prediction Center Norman OK
345 PM CDT Mon Apr 30 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far western Oklahoma
* Effective this Monday afternoon and evening from 345 PM until
1100 PM CDT.
* Primary threats include...
Isolated very large hail events to 2.5 inches in diameter
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Isolated to widely scattered storms are expected to
develop along the dryline during the early evening with primarily a
risk for large hail and damaging wind through late evening.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 10 miles east of Fort
Stockton TX to 45 miles north northwest of Gage OK. 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
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector