Alert archive / Oklahoma / Flash Flood Warnings in 2025

Flash Flood Warning 82, NWS Norman, OK

May 25, 2025Cleveland County, Grady County, McClain County, Oklahoma

NWS Norman, OK issued this flash flood warning at May 25, 2025, 6:58 PM CDT for Cleveland County, Grady County, McClain County, Oklahoma. It was in force for 2 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: May 25, 2025, 6:58 PM CDT (23:58 UTC)
Expired: May 25, 2025, 9:00 PM CDT
In force: 2 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

Counties Cleveland County, OK, Grady County, OK, McClain County, OK

The radar

The Norman radar (KTLX), 38 km from the middle of the area, began a volume at 00:00 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 12:00Z, 12.0 hours before the alert went out and 21 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1007 J/kg
Mixed-layer CIN: -523 J/kg
Mixed-layer LCL: 1267 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 May 25, 6:13 PM CDT, 45 minutes earlier.

Area forecast discussion, May 25, 6:13 PM CDT, 45 minutes before

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In the hours before

Local storm report, May 25, 6:48 PM CDT, 10 minutes before

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Local storm report, May 25, 6:49 PM CDT, 9 minutes before

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Local storm report, May 25, 6:53 PM CDT, 5 minutes before

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Special weather statement, May 25, 6:54 PM CDT, 4 minutes before

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Local storm report, May 25, 6:55 PM CDT, 3 minutes before

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Local storm report, May 25, 6:57 PM CDT, 1 minute before

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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 8:20 PM CDT	River Flood Advisory	OUN	Pottawatomie, Seminole	7 hr
May 24, 9:01 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Dewey, Ellis, Roger Mills	44 min
May 24, 9:16 PM CDT	Special Weather Statement	OUN	Major	29 min
May 24, 9:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Ellis, Roger Mills	52 min
May 24, 9:25 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major	50 min
May 24, 9:30 PM CDT	Tornado Warning	OUN	Custer, Ellis, Roger Mills	45 min
May 24, 10:01 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Kingfisher	44 min
May 24, 10:11 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Ellis, Roger Mills	49 min
May 24, 10:36 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	39 min
May 24, 11:02 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	23 min
May 24, 11:10 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	50 min
May 24, 11:15 PM CDT	Special Weather Statement	OUN	Kay	30 min
May 24, 11:22 PM CDT	Special Weather Statement	OUN	Noble	38 min
May 24, 11:29 PM CDT	Severe Thunderstorm Warning	OUN	Kay	46 min
May 24, 11:45 PM CDT	Special Weather Statement	OUN	Alfalfa	30 min
May 24, 11:47 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	43 min
May 25, 12:04 AM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay, Noble	41 min
May 25, 12:06 AM CDT	Flood Watch	OUN	Atoka, Beckham, Blaine, Bryan, Caddo, Canadian and 32 more	33 hr
May 25, 12:07 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	53 min
May 25, 12:23 AM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	52 min
May 25, 12:44 AM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	46 min
May 25, 12:59 AM CDT	Severe Thunderstorm Warning	OUN	Grant	46 min
May 25, 1:13 AM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson, Stephens, Tillman	47 min
May 25, 1:24 AM CDT	Areal Flood Advisory	OUN	Kay, Noble	5 hr
May 25, 1:47 AM CDT	Special Weather Statement	OUN	Comanche, Cotton, Tillman	88 min
May 25, 1:51 AM CDT	Special Weather Statement	OUN	Kay	24 min
May 25, 1:52 AM CDT	Special Weather Statement	OUN	Grant	38 min
May 25, 2:24 AM CDT	Special Weather Statement	OUN	Kay	51 min
May 25, 2:31 AM CDT	Special Weather Statement	OUN	Grant	44 min
May 25, 2:45 AM CDT	High Wind Warning	OUN	Caddo, Comanche, Cotton, Grady, Jackson, Kiowa and 3 more	3 hr
May 25, 3:05 AM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	40 min
May 25, 3:44 AM CDT	Severe Thunderstorm Warning	OUN	Kay	46 min
May 25, 4:12 AM CDT	Flash Flood Warning	OUN	Kay	3 hr
May 25, 8:12 AM CDT	River Flood Advisory	OUN	Atoka	12 hr
May 25, 8:38 AM CDT	River Flood Advisory	OUN	Pottawatomie, Seminole	11 hr
May 25, 8:40 AM CDT	River Flood Advisory	OUN	Lincoln, Oklahoma, Pottawatomie	19 hr
May 25, 1:39 PM CDT	Special Weather Statement	OUN	Murray	36 min
May 25, 1:43 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray, Pontotoc	47 min
May 25, 2:10 PM CDT	Special Weather Statement	OUN	Hughes	35 min
May 25, 2:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garvin, Johnston, Murray, Pontotoc	46 min
May 25, 2:45 PM CDT	Areal Flood Advisory	OUN	Murray	3 hr
May 25, 3:00 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Johnston, Murray, Pontotoc	34 min
May 25, 3:03 PM CDT	Special Weather Statement	OUN	McClain	27 min
May 25, 3:13 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain	32 min
May 25, 3:27 PM CDT	Special Weather Statement	OUN	Murray	18 min
May 25, 3:32 PM CDT	Special Weather Statement	OUN	Cleveland	28 min
May 25, 3:39 PM CDT	Special Weather Statement	OUN	Pontotoc	36 min
May 25, 3:44 PM CDT	Special Weather Statement	OUN	Garvin, Pottawatomie	31 min
May 25, 3:49 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Pottawatomie	26 min
May 25, 4:01 PM CDT	Special Weather Statement	OUN	Cleveland	29 min
May 25, 4:04 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain, Pontotoc, Pottawatomie, Seminole	41 min
May 25, 4:33 PM CDT	Special Weather Statement	OUN	Cleveland	27 min
May 25, 4:35 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Grady, Oklahoma	40 min
May 25, 4:46 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain, Pontotoc	23 min
May 25, 4:50 PM CDT	Special Weather Statement	OUN	Cleveland, McClain	25 min
May 25, 4:52 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Grady, McClain	38 min
May 25, 4:58 PM CDT	Special Weather Statement	OUN	Cleveland	32 min
May 25, 5:07 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma	53 min
May 25, 5:15 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain	45 min
May 25, 5:29 PM CDT	Special Weather Statement	OUN	McClain	16 min
May 25, 5:36 PM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	3 hr
May 25, 5:41 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma, Pottawatomie	49 min
May 25, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	45 min
May 25, 5:59 PM CDT	Flash Flood Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	3 hr
May 25, 5:59 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	31 min
May 25, 6:21 PM CDT	Flash Flood Warning	OUN	Oklahoma	3 hr
May 25, 6:22 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Grady, McClain, Oklahoma	38 min
May 25, 6:22 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Grady, McClain, Oklahoma	38 min
May 25, 6:24 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	51 min
May 25, 6:29 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma	29 min
May 25, 6:44 PM CDT	Severe Thunderstorm Warning	OUN	Grady, McClain	31 min
May 25, 6:49 PM CDT	Areal Flood Advisory	OUN	Cleveland, Grady, McClain	9 min
May 25, 6:54 PM CDT	Special Weather Statement	OUN	Oklahoma	36 min
May 24, 10:04 PM CDT	Special Weather Statement	OUN	Knox	41 min
May 24, 10:47 PM CDT	Special Weather Statement	OUN	Wilbarger	28 min
May 24, 10:48 PM CDT	Special Weather Statement	OUN	Baylor	27 min
May 24, 11:27 PM CDT	Special Weather Statement	OUN	Baylor	33 min
May 25, 12:19 AM CDT	Severe Thunderstorm Warning	OUN	Baylor, Foard, Knox, Wilbarger	41 min
May 25, 1:18 AM CDT	Areal Flood Advisory	OUN	Wichita, Wilbarger	3 hr
May 25, 1:19 AM CDT	Special Weather Statement	OUN	Baylor, Foard, Knox	41 min

Nearby

Flash Flood Warnings in Oklahoma, 2025 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.