

594 

WWUS20 KWNS 092151

SEL1

SPC WW 092151

ARZ000-OKZ000-100500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 71

NWS Storm Prediction Center Norman OK

355 PM CST Thu Mar 9 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northwest Arkansas

  Northeast Oklahoma



* Effective this Thursday afternoon and evening from 355 PM until

  1100 PM CST.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Isolated to scattered storms should develop across far

southeast Kansas into northeast Oklahoma and spread east-southeast

this evening with a primary risk of large hail.



The severe thunderstorm watch area is approximately along and 50

statute miles either side of a line from 45 miles north of Tulsa OK

to 35 miles east southeast of Fayetteville 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...CONTINUE...WW 70...



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

28030.



...Grams

