

544 

WWUS20 KWNS 101941

SEL4

SPC WW 101941

OKZ000-TXZ000-110300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 204

NWS Storm Prediction Center Norman OK

245 PM CDT Wed May 10 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southwest Oklahoma

  Northwest Texas



* Effective this Wednesday afternoon and evening from 245 PM

  until 1000 PM CDT.



* Primary threats include...

  A few tornadoes possible

  Scattered large hail and isolated very large hail events to 3

    inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Severe thunderstorms will continue to develop and increase

this afternoon, initially near the intersection of the dryline and a

modifying outflow boundary that extends northeastward into southwest

Oklahoma. Very large hail will be the primary risk, but damaging

winds are also possible, and a tornado risk exists especially later

today and/or near the modifying outflow boundary.



The tornado watch area is approximately along and 55 statute miles

north and south of a line from 85 miles west southwest of Childress

TX to 20 miles south southeast of Fort Sill OK. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU4).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 203...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 3 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean

storm motion vector 24025.



...Guyer

