WWUS54 KOUN 182228 SVSOUN Severe Weather Statement National Weather Service Norman OK 528 PM CDT Mon May 18 2026 OKC055-065-075-182300- /O.CON.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Jackson OK-Kiowa OK-Greer OK- 528 PM CDT Mon May 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHEASTERN JACKSON...NORTHWESTERN KIOWA AND EASTERN GREER COUNTIES... At 527 PM CDT, a severe thunderstorm was located near Mangum, moving northeast at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Public. At 525 PM CDT, half dollar size hail was reported near Mangum. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mangum, Granite, Blair, Lone Wolf, Hester, Altus-Lugert Lake, and Brinkman. 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 3474 9933 3485 9959 3508 9948 3508 9909 TIME...MOT...LOC 2227Z 208DEG 30KT 3486 9944 HAIL THREAT...OBSERVED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDU