Alert archive / Oklahoma / Flash Flood Warnings in 2025
Flash Flood Warning 21, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Apr 26, 2025, 10:56 AM CDT for Cleveland County, Oklahoma. It was in force for 3 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 26, 2025, 10:56 AM CDT (15:56 UTC)
- Expired
- Apr 26, 2025, 2:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Cleveland County, OK
The radar
The Norman radar (KTLX), 16 km from the middle of the area, began a volume at 15:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 26, 11:16 AM CDT | FLASH FLOOD | 1 Wsw Norman, OK | Flooding in and around Lions Park in Norman. Water several feet deep over the park and over portions of Flood Avenue. |
| Apr 26, 12:27 PM CDT | FLASH FLOOD | 3 S Moore, OK | Water over the intersection of 24th Avenue NW and West Indian Hills Road. Reported by Emergency Management. |
| Apr 26, 12:30 PM CDT | FLASH FLOOD | Norman, OK | Andrews Park / James Garner Ave and Daws St in Norman; water approximately 4 feet deep and 6 feet wide. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 3.9 hours before the alert went out and 8 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
- 25 J/kg
- Mixed-layer CIN
- -354 J/kg
- Mixed-layer LCL
- 820 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
125
WGUS54 KOUN 261556
FFWOUN
OKC027-261900-
/O.NEW.KOUN.FF.W.0021.250426T1556Z-250426T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Norman OK
1056 AM CDT Sat Apr 26 2025
The National Weather Service in Norman has issued a
* Flash Flood Warning for...
North Central Cleveland County in central Oklahoma...
* Until 200 PM CDT.
* At 1056 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain from Norman to Moore. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 3 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Southern Oklahoma City, southwestern Norman, Moore and Noble.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3538 9743 3530 9739 3516 9735 3516 9743
3521 9751 3537 9758
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
BunkerThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 9:23 PM CDT | River Flood Advisory | OUN | Cotton | 18 hr |
| Apr 26, 2:11 AM CDT | River Flood Advisory | OUN | Major, Woods, Woodward | 19 hr |
| Apr 26, 4:25 AM CDT | Severe Thunderstorm Warning | OUN | Beckham, Greer, Harmon | 50 min |
| Apr 26, 4:39 AM CDT | Tornado Warning | OUN | Greer, Harmon | 28 min |
| Apr 26, 5:10 AM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 50 min |
| Apr 26, 5:13 AM CDT | Special Weather Statement | OUN | Comanche, Tillman | 32 min |
| Apr 26, 5:26 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa, Tillman | 49 min |
| Apr 26, 5:54 AM CDT | Severe Thunderstorm Warning | OUN | Greer, Jackson, Kiowa | 51 min |
| Apr 26, 6:07 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Tillman | 38 min |
| Apr 26, 6:19 AM CDT | Areal Flood Advisory | OUN | Comanche, Jackson, Kiowa, Tillman | 116 min |
| Apr 26, 6:25 AM CDT | Severe Thunderstorm Warning | OUN | Jackson, Tillman | 50 min |
| Apr 26, 6:37 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 38 min |
| Apr 26, 6:43 AM CDT | Flash Flood Warning | OUN | Comanche, Cotton, Jackson, Kiowa, Tillman | 5 hr |
| Apr 26, 6:44 AM CDT | Severe Thunderstorm Warning | OUN | Greer, Jackson, Kiowa, Tillman | 46 min |
| Apr 26, 6:55 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Jackson, Tillman | 50 min |
| Apr 26, 7:05 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton | 40 min |
| Apr 26, 7:30 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Kiowa, Tillman | 45 min |
| Apr 26, 7:31 AM CDT | Flash Flood Warning | OUN | Comanche | 4 hr |
| Apr 26, 7:36 AM CDT | Tornado Warning | OUN | Comanche, Cotton, Tillman | 24 min |
| Apr 26, 7:44 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Stephens | 46 min |
| Apr 26, 7:52 AM CDT | Areal Flood Advisory | OUN | Caddo, Comanche, Kiowa | 4 hr |
| Apr 26, 8:00 AM CDT | Tornado Warning | OUN | Comanche, Cotton | 15 min |
| Apr 26, 8:04 AM CDT | Severe Thunderstorm Warning | OUN | Garvin, Grady, McClain | 41 min |
| Apr 26, 8:14 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Grady, Stephens, Tillman | 46 min |
| Apr 26, 8:25 AM CDT | Areal Flood Advisory | OUN | Caddo, Comanche, Cotton, Grady, Stephens | 3 hr |
| Apr 26, 8:29 AM CDT | River Flood Advisory | OUN | Comanche, Cotton | 6 hr |
| Apr 26, 8:31 AM CDT | River Flood Advisory | OUN | Pottawatomie, Seminole | 7 hr |
| Apr 26, 8:32 AM CDT | River Flood Advisory | OUN | Jackson, Kiowa, Tillman | 17 hr |
| Apr 26, 8:34 AM CDT | River Flood Warning | OUN | Greer, Jackson | 9 hr |
| Apr 26, 8:40 AM CDT | Areal Flood Advisory | OUN | Garvin, Grady, Stephens | 4 hr |
| Apr 26, 8:46 AM CDT | Special Weather Statement | OUN | Grady | 29 min |
| Apr 26, 9:00 AM CDT | Special Weather Statement | OUN | Stephens | 30 min |
| Apr 26, 9:05 AM CDT | Flash Flood Warning | OUN | Grady | 4 hr |
| Apr 26, 9:15 AM CDT | Special Weather Statement | OUN | McClain | 30 min |
| Apr 26, 9:21 AM CDT | Flash Flood Warning | OUN | Caddo, Comanche, Kiowa | 3 hr |
| Apr 26, 9:28 AM CDT | Areal Flood Advisory | OUN | Cleveland, Garvin, Grady, McClain | 3 hr |
| Apr 26, 9:28 AM CDT | Special Weather Statement | OUN | Stephens | 32 min |
| Apr 26, 9:45 AM CDT | Flash Flood Warning | OUN | Comanche, Cotton, Grady, Stephens | 3 hr |
| Apr 26, 9:50 AM CDT | Flash Flood Warning | OUN | Cleveland, Garvin, Grady, McClain | 3 hr |
| Apr 26, 10:22 AM CDT | Flash Flood Warning | OUN | Canadian, Cleveland, Lincoln, Logan, Oklahoma | 3 hr |
| Apr 26, 10:31 AM CDT | Areal Flood Advisory | OUN | Comanche, Cotton, Tillman | 119 min |
| Apr 26, 11:21 AM CDT | Areal Flood Warning | OUN | Caddo, Comanche, Cotton, Kiowa, Tillman | 25 hr |
| Apr 26, 11:28 AM CDT | Special Weather Statement | OUN | Pottawatomie | 32 min |
| Apr 26, 11:55 AM CDT | Special Weather Statement | OUN | Lincoln | 20 min |
| Apr 26, 12:04 PM CDT | Areal Flood Advisory | OUN | Pottawatomie | 116 min |
| Apr 26, 12:33 PM CDT | Special Weather Statement | OUN | Seminole | 27 min |
| Apr 26, 12:37 PM CDT | Areal Flood Warning | OUN | Comanche, Cotton, Grady, Stephens | 8 hr |
| Apr 26, 12:52 PM CDT | Areal Flood Warning | OUN | Grady | 7 hr |
| Apr 26, 12:54 PM CDT | Areal Flood Warning | OUN | Cleveland, Garvin, Grady, McClain | 7 hr |
| Apr 26, 1:24 PM CDT | Areal Flood Warning | OUN | Canadian, Cleveland, Lincoln, Logan, Oklahoma | 7 hr |
| Apr 26, 2:01 PM CDT | Special Weather Statement | OUN | Cleveland, Grady, McClain, Pottawatomie | 59 min |
| Apr 26, 2:11 PM CDT | River Flood Warning | OUN | Comanche, Cotton | 9 days |
| Apr 26, 2:24 PM CDT | Special Weather Statement | OUN | Hughes | 36 min |
| Apr 26, 2:27 PM CDT | Special Weather Statement | OUN | Bryan | 33 min |
| Apr 26, 2:31 PM CDT | Tornado Warning | OUN | Atoka, Bryan | 29 min |
| Apr 26, 2:36 PM CDT | River Flood Advisory | OUN | Cotton, Jefferson, Tillman | 64 hr |
| Apr 26, 2:45 PM CDT | Tornado Warning | OUN | Atoka, Bryan | 30 min |
| Apr 26, 2:53 PM CDT | Areal Flood Advisory | OUN | Carter, Garvin, Murray | 3 hr |
| Apr 26, 2:56 PM CDT | Tornado Warning | OUN | Atoka, Bryan | 49 min |
| Apr 26, 3:07 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal, Johnston | 23 min |
| Apr 26, 3:13 PM CDT | Tornado Warning | OUN | Atoka | 32 min |
| Apr 26, 3:19 PM CDT | Tornado Warning | OUN | Atoka, Bryan | 26 min |
| Apr 26, 3:28 PM CDT | River Flood Warning | OUN | Pottawatomie, Seminole | 17 hr |
| Apr 26, 3:30 PM CDT | Tornado Warning | OUN | Johnston | 15 min |
| Apr 26, 3:31 PM CDT | River Flood Warning | OUN | Cotton | 9 days |
| Apr 26, 3:35 PM CDT | Tornado Warning | OUN | Atoka, Coal | 25 min |
| Apr 26, 3:43 PM CDT | Tornado Warning | OUN | Atoka, Coal, Johnston | 32 min |
| Apr 26, 3:44 PM CDT | Tornado Warning | OUN | Atoka, Bryan | 46 min |
| Apr 26, 3:47 PM CDT | Tornado Warning | OUN | Johnston, Marshall | 28 min |
| Apr 26, 3:59 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal | 31 min |
| Apr 26, 4:08 PM CDT | Tornado Warning | OUN | Johnston, Marshall | 22 min |
| Apr 26, 4:16 PM CDT | Tornado Warning | OUN | Coal, Johnston, Pontotoc | 44 min |
| Apr 26, 4:54 PM CDT | Tornado Warning | OUN | Coal, Hughes | 36 min |
Nearby
Flash Flood Warnings in Oklahoma, 2025Every flash flood warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.