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Home Return to list Severe Thunderstorm Warning 0451 Issued by the Norman Forecast Office
Action: New Issued At: 2026-05-18 17:25:28 404 WUUS54 KOUN 182225 SVROUN OKC055-065-075-182300- /O.NEW.KOUN.SV.W.0451.260518T2225Z-260518T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Norman OK 525 PM CDT Mon May 18 2026 The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Northeastern Jackson County in southwestern Oklahoma... Northwestern Kiowa County in southwestern Oklahoma... Eastern Greer County in southwestern Oklahoma... * Until 600 PM CDT. * At 524 PM CDT, a severe thunderstorm was located near Mangum, moving northeast at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Mangum, Granite, Blair, Lone Wolf, Hester, Altus-Lugert Lake, and Brinkman. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect for the warned area. && LAT...LON 3474 9933 3485 9959 3508 9948 3508 9909 TIME...MOT...LOC 2224Z 208DEG 30KT 3483 9946 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDU Action: Continued Issued At: 2026-05-18 17:28:58
604
WWUS54 KOUN 182228
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
528 PM CDT Mon May 18 2026
OKC055-065-075-182300-
/O.CON.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/
Jackson OK-Kiowa OK-Greer OK-
528 PM CDT Mon May 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN JACKSON...NORTHWESTERN KIOWA AND EASTERN GREER
COUNTIES...
At 527 PM CDT, a severe thunderstorm was located near Mangum, moving
northeast at 35 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Public. At 525 PM CDT, half dollar size hail was reported
near Mangum.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Mangum, Granite, Blair, Lone Wolf, Hester, Altus-Lugert Lake, and
Brinkman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3474 9933 3485 9959 3508 9948 3508 9909
TIME...MOT...LOC 2227Z 208DEG 30KT 3486 9944
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MDU
Action: Continued Issued At: 2026-05-18 17:38:59 773 WWUS54 KOUN 182238 SVSOUN Severe Weather Statement National Weather Service Norman OK 538 PM CDT Mon May 18 2026 OKC055-065-075-182300- /O.CON.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Jackson OK-Kiowa OK-Greer OK- 538 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 538 PM CDT, a severe thunderstorm was located near Granite, moving northeast at 30 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect 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 2238Z 204DEG 25KT 3494 9942 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDU Action: Continued Issued At: 2026-05-18 17:47:59 140 WWUS54 KOUN 182247 SVSOUN Severe Weather Statement National Weather Service Norman OK 547 PM CDT Mon May 18 2026 OKC065-182257- /O.CAN.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Jackson OK- 547 PM CDT Mon May 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JACKSON COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 3508 9948 3508 9923 3485 9934 3492 9956 TIME...MOT...LOC 2247Z 210DEG 23KT 3500 9943 $$ OKC055-075-182300- /O.CON.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Kiowa OK-Greer OK- 547 PM CDT Mon May 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHWESTERN KIOWA AND NORTHEASTERN GREER COUNTIES... At 547 PM CDT, a severe thunderstorm was located near Granite, moving northeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Granite, 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 3508 9948 3508 9923 3485 9934 3492 9956 TIME...MOT...LOC 2247Z 210DEG 23KT 3500 9943 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDU Action: Cancelled Issued At: 2026-05-18 17:47:59 140 WWUS54 KOUN 182247 SVSOUN Severe Weather Statement National Weather Service Norman OK 547 PM CDT Mon May 18 2026 OKC065-182257- /O.CAN.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Jackson OK- 547 PM CDT Mon May 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JACKSON COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 3508 9948 3508 9923 3485 9934 3492 9956 TIME...MOT...LOC 2247Z 210DEG 23KT 3500 9943 $$ OKC055-075-182300- /O.CON.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Kiowa OK-Greer OK- 547 PM CDT Mon May 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHWESTERN KIOWA AND NORTHEASTERN GREER COUNTIES... At 547 PM CDT, a severe thunderstorm was located near Granite, moving northeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Granite, 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 3508 9948 3508 9923 3485 9934 3492 9956 TIME...MOT...LOC 2247Z 210DEG 23KT 3500 9943 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDU Action: Expired Issued At: 2026-05-18 17:58:44 395 WWUS54 KOUN 182258 SVSOUN Severe Weather Statement National Weather Service Norman OK 558 PM CDT Mon May 18 2026 OKC055-075-182307- /O.EXP.KOUN.SV.W.0451.000000T0000Z-260518T2300Z/ Kiowa OK-Greer OK- 558 PM CDT Mon May 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN KIOWA AND NORTHEASTERN GREER COUNTIES WILL EXPIRE AT 600 PM CDT... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. LAT...LON 3508 9948 3508 9923 3485 9934 3492 9956 TIME...MOT...LOC 2257Z 208DEG 30KT 3505 9940 $$ MDU | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||