WWUS54 KOUN 182213 SVSOUN Severe Weather Statement National Weather Service Norman OK 513 PM CDT Mon May 18 2026 OKC055-057-065-075-182230- /O.CON.KOUN.SV.W.0450.000000T0000Z-260518T2230Z/ Jackson OK-Kiowa OK-Harmon OK-Greer OK- 513 PM CDT Mon May 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL JACKSON...NORTHWESTERN KIOWA...SOUTHEASTERN HARMON AND GREER COUNTIES... At 513 PM CDT, a severe thunderstorm was located 6 miles west of Martha, moving northeast at 30 mph. 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... Mangum, Granite, Blair, Lone Wolf, Martha, Gould, Duke, Brinkman, Hester, Altus-Lugert Lake, and McQueen. PRECAUTIONARY/PREPAREDNESS ACTIONS... A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3451 9950 3464 9979 3504 9964 3504 9912 TIME...MOT...LOC 2213Z 218DEG 28KT 3474 9950 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDU