

085 

WWUS20 KWNS 272210

SEL7

SPC WW 272210

ARZ000-280600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 217

NWS Storm Prediction Center Norman OK

510 PM CDT Thu May 27 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern and central Arkansas



* Effective this Thursday afternoon and Friday morning from 510

  PM until 100 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Am organizing complex of strong-severe thunderstorms over

northeastern Oklahoma will encounter a richly moist/unstable air

mass over Arkansas.  Damaging/severe wind will be the main hazard.

Isolated large hail also is possible.  A tornado or two cannot be

ruled out, mainly where the complex interacts with outflow from

nonsevere to marginally severe storms now to its east, in northern

Arkansas.



The severe thunderstorm watch area is approximately along and 80

statute miles north and south of a line from 20 miles southwest of

Fort Smith AR to 40 miles east southeast of Batesville AR. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



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 214...WW 215...WW 216...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 600. Mean storm motion vector

29035.



...Edwards

