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WWUS20 KWNS 261058

SEL1

SPC WW 261058

ARZ000-OKZ000-TXZ000-261800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 161

NWS Storm Prediction Center Norman OK

600 AM CDT Wed Apr 26 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western and northern Arkansas

  Southeastern Oklahoma

  North-central and northeast Texas



* Effective this Wednesday morning and afternoon from 600 AM

  until 100 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...Severe thunderstorms are expected to expand in coverage

and intensify through the remainder of the morning, along and ahead

of a cold front.  Please see SPC mesoscale discussion 558 for

initial meteorological details.



The severe thunderstorm watch area is approximately along and 75

statute miles east and west of a line from 45 miles southeast of

Dallas TX to 20 miles northwest of Flippin AR. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

tornadoes.



&&



OTHER WATCH INFORMATION...This severe thunderstorm watch replaces

severe thunderstorm watch number 160. Watch number 160 will not

be in effect after 600 AM CDT.



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 550. Mean storm motion vector

24035.



...Edwards

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