WHAT
Heat index values up to 107 expected.

WHERE
Portions of central, east central, southern, southwest, and western Oklahoma and northern Texas.

WHEN
From 1 PM this afternoon to 6 PM CDT this evening.

IMPACTS
Hot temperatures and high humidity may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

HAZARD
60 mph wind gusts and quarter size hail.

SOURCE
Radar indicated.

IMPACT
Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Stillwater and Glencoe.

PRECAUTIONARY/PREPAREDNESS ACTIONS
For your protection move to an interior room on the lowest floor of a building. HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

LOCATIONS
Southwest into Central Oklahoma, Western North Texas

EFFECTIVE
This Thursday afternoon and evening from 350 PM until 1000 PM CDT.

THREATS
Scattered large hail and isolated very large hail events to 2 inches in diameter possible, Scattered damaging wind gusts to 70 mph possible, Thunderstorms will likely

SITUATION
Thunderstorms will likely develop along/near a cold front this afternoon across parts of Oklahoma. This activity should pose some threat for large hail generally up to 1-1.75 inches in diameter. Scattered severe/damaging winds with peak gusts up to 60-70 mph should also occur as this convection spreads east-southeastward through the evening. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 40 miles west southwest of Altus OK to 15 miles east of Chandler OK. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6).

PRECAUTIONS
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.