Alert archive / Oklahoma / Flash Flood Warnings in 2026
Flash Flood Warning 52, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 19, 2026, 6:40 AM CDT for Cotton County, Jefferson County, Stephens County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 19, 2026, 6:40 AM CDT (11:40 UTC)
- Expired
- Jun 19, 2026, 9:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cotton County, OK, Jefferson County, OK, Stephens County, OK
The radar
The Altus AFB radar (KFDR), 88 km from the middle of the area, began a volume at 11:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 11.7 hours before the alert went out and 117 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 561 J/kg
- Mixed-layer CIN
- -494 J/kg
- Mixed-layer LCL
- 851 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.7
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Norman, OK wrote its last area forecast discussion before this flash flood warning went out at Jun 19, 6:09 AM CDT, 31 minutes earlier.
Area forecast discussion, Jun 19, 6:09 AM CDT, 31 minutes before
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Special weather statement, Jun 19, 1:47 AM CDT, 4 hours 53 minutes before
Special Weather Statement National Weather Service Norman OK 147 AM CDT Fri Jun 19 2026 OKZ033-034-036-190715- Harmon OK-Greer OK-Jackson OK- 147 AM CDT Fri Jun 19 2026 ...A strong thunderstorm will impact portions of west central Jackson, southeastern Harmon and south central Greer Counties through 215 AM CDT... At 147 AM CDT, Doppler radar was tracking a strong thunderstorm 4 miles southwest of Duke, moving northeast at 10 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Duke and McQueen. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. This storm may intensify, so be certain to monitor NOAA Weather Radio, local radio stations or available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3452 9953 3457 9974 3479 9970 3468 9940 TIME...MOT...LOC 0647Z 203DEG 8KT 3461 9962 MAX HAIL SIZE...0.88 IN MAX WIND GUST...<30 MPH Mahale
Special weather statement, Jun 19, 2:48 AM CDT, 3 hours 52 minutes before
Special Weather Statement National Weather Service Norman OK 248 AM CDT Fri Jun 19 2026 OKZ022-190815- Washita OK- 248 AM CDT Fri Jun 19 2026 ...A strong thunderstorm will impact portions of southwestern Washita County through 315 AM CDT... At 248 AM CDT, Doppler radar was tracking a strong thunderstorm 5 miles southwest of Dill City. This storm was nearly stationary. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Sentinel, Dill City, and Rocky. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3527 9891 3513 9889 3517 9936 3532 9936 TIME...MOT...LOC 0748Z 086DEG 1KT 3523 9919 MAX HAIL SIZE...0.75 IN MAX WIND GUST...<30 MPH Mahale
Special weather statement, Jun 19, 3:23 AM CDT, 3 hours 17 minutes before
Special Weather Statement
National Weather Service Norman OK
323 AM CDT Fri Jun 19 2026
OKZ035>038-044-190915-
Kiowa OK-Tillman OK-Cotton OK-Comanche OK-Jackson OK-
323 AM CDT Fri Jun 19 2026
...Strong thunderstorms will impact portions of southwestern
Comanche, northwestern Cotton, northeastern Jackson, south central
Kiowa and northern Tillman Counties through 415 AM CDT...
At 323 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles west of Tom Steed Reservoir to 3 miles
west of Cache to 3 miles southwest of Geronimo. Movement was
northeast at 10 mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Locations impacted include...
Lawton, Cache, Snyder, Geronimo, Mountain Park, Indiahoma, Manitou,
Faxon, Headrick, Tom Steed Reservoir, Fort Sill, Wichita Mountains
Wildlife Refuge, Doris Campground, and The Visitor Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3483 9916 3478 9865 3456 9816 3436 9848
3449 9872 3451 9900 3458 9922
TIME...MOT...LOC 0823Z 241DEG 8KT 3479 9908 3461 9868 3444 9842
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
MahaleLocal storm report, Jun 19, 4:49 AM CDT, 1 hour 51 minutes before
Preliminary Local Storm Report
National Weather Service Norman OK
449 AM CDT Fri Jun 19 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0426 AM Tstm Wnd Gst 3 SSE Frederick 34.35N 98.99W
06/19/2026 M68 MPH Tillman OK ASOS
&&Local storm report, Jun 19, 5:07 AM CDT, 1 hour 33 minutes before
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Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 9:57 PM CDT | Severe Thunderstorm Warning | OUN | Kay | 48 min |
| Jun 18, 10:38 PM CDT | Special Weather Statement | OUN | Kay | 37 min |
| Jun 19, 1:47 AM CDT | Special Weather Statement | OUN | Jackson | 28 min |
| Jun 19, 2:48 AM CDT | Special Weather Statement | OUN | Washita | 27 min |
| Jun 19, 3:23 AM CDT | Special Weather Statement | OUN | Comanche | 52 min |
| Jun 19, 3:41 AM CDT | Severe Thunderstorm Warning | OUN | Kiowa | 32 min |
| Jun 19, 3:47 AM CDT | Areal Flood Advisory | OUN | Comanche, Cotton, Jackson, Kiowa, Tillman | 3 hr |
| Jun 19, 4:00 AM CDT | Severe Thunderstorm Warning | OUN | Tillman | 45 min |
| Jun 19, 4:34 AM CDT | Areal Flood Advisory | OUN | Comanche, Cotton, Tillman | 3 hr |
| Jun 19, 4:40 AM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 50 min |
| Jun 19, 4:57 AM CDT | Flash Flood Warning | OUN | Comanche, Cotton, Tillman | 3 hr |
| Jun 19, 5:12 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Jefferson, Stephens | 48 min |
| Jun 19, 5:17 AM CDT | Flash Flood Warning | OUN | Comanche | 3 hr |
| Jun 19, 5:49 AM CDT | Areal Flood Advisory | OUN | Cotton, Jefferson, Stephens | 3 hr |
| Jun 19, 7:20 AM CDT | Flash Flood Warning | OUN | Stephens | 3 hr |
| Jun 19, 7:57 AM CDT | River Flood Advisory | OUN | Grant, Kay, Noble | 12 hr |
| Jun 19, 8:02 AM CDT | Areal Flood Warning | OUN | Comanche, Cotton, Tillman | 118 min |
| Jun 19, 8:09 AM CDT | Flash Flood Warning | OUN | Murray | 3 hr |
| Jun 19, 8:13 AM CDT | Areal Flood Advisory | OUN | Carter | 3 hr |
| Jun 19, 8:41 AM CDT | Areal Flood Advisory | OUN | Bryan | 3 hr |
| Jun 19, 8:46 AM CDT | Areal Flood Advisory | OUN | Murray | 3 hr |
| Jun 19, 11:17 AM CDT | Areal Flood Warning | OUN | Murray | 103 min |
| Jun 19, 4:28 AM CDT | Areal Flood Advisory | OUN | Wichita | 3 hr |
| Jun 19, 5:03 AM CDT | Areal Flood Advisory | OUN | Hardeman, Wilbarger | 3 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.