Alert archive / Oklahoma / Flash Flood Warnings in 2025

Flash Flood Warning 83, NWS Norman, OK

May 25, 2025Canadian County, Grady County, Oklahoma

NWS Norman, OK issued this flash flood warning at May 25, 2025, 8:12 PM CDT for Canadian County, Grady County, Oklahoma. It was in force for 5 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, 8:12 PM CDT (01:12 UTC)
Expired: May 26, 2025, 1:38 AM CDT
In force: 5 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Canadian County, OK, Grady County, OK

The radar

The Norman radar (KTLX), 60 km from the middle of the area, began a volume at 01:16 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

Fort Worth, TX (KFWD), launched 00:00Z, 1.2 hours before the alert went out and 279 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: 2155 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1857 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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, 1 hour 59 minutes earlier.

Area forecast discussion, May 25, 6:13 PM CDT, 1 hour 59 minutes before

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In the hours before

Local storm report, May 25, 7:16 PM CDT, 56 minutes before

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Special weather statement, May 25, 7:43 PM CDT, 29 minutes before

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Local storm report, May 25, 7:47 PM CDT, 25 minutes before

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Local storm report, May 25, 7:49 PM CDT, 23 minutes before

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Special weather statement, May 25, 8:02 PM CDT, 10 minutes before

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Local storm report, May 25, 8:06 PM CDT, 6 minutes 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 25, 7:13 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	47 min
May 25, 7:19 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Pontotoc, Pottawatomie	26 min
May 25, 7:23 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady	52 min
May 25, 7:35 PM CDT	Areal Flood Advisory	OUN	Lincoln, Logan	3 hr
May 25, 7:39 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	24 min
May 25, 7:43 PM CDT	Special Weather Statement	OUN	Jackson	32 min
May 25, 7:47 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	43 min
May 25, 7:52 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie, Seminole	38 min
May 25, 7:55 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	20 min
May 25, 7:57 PM CDT	River Flood Warning	OUN	Oklahoma	7 hr
May 25, 8:02 PM CDT	Special Weather Statement	OUN	Canadian, Logan	43 min
May 25, 8:10 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	35 min
May 25, 8:11 PM CDT	River Flood Warning	OUN	Pottawatomie, Seminole	18 hr
May 25, 8:11 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	34 min
May 25, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	32 min
May 25, 8:14 PM CDT	Areal Flood Advisory	OUN	Cleveland, Pottawatomie	3 hr
May 25, 8:17 PM CDT	Areal Flood Advisory	OUN	Payne	3 hr
May 25, 8:17 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	7 min
May 25, 8:20 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	10 min
May 25, 8:21 PM CDT	River Flood Warning	OUN	Atoka	65 hr
May 25, 8:22 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	8 min
May 25, 8:26 PM CDT	Areal Flood Advisory	OUN	Caddo, Canadian, Grady	3 hr
May 25, 8:29 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	16 min
May 25, 8:36 PM CDT	Special Weather Statement	OUN	Canadian	24 min
May 25, 8:38 PM CDT	Special Weather Statement	OUN	Seminole	22 min
May 25, 8:38 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Jackson, Kiowa, Tillman	26 min
May 25, 8:42 PM CDT	Special Weather Statement	OUN	Kingfisher	33 min
May 25, 8:45 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian	19 min
May 25, 8:50 PM CDT	Special Weather Statement	OUN	Logan	25 min
May 25, 8:52 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	23 min
May 25, 8:55 PM CDT	Flash Flood Warning	OUN	Cleveland, Oklahoma	3 hr
May 25, 9:00 PM CDT	Areal Flood Warning	OUN	Cleveland, Grady, McClain, Oklahoma	113 min
May 25, 9:02 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pottawatomie, Seminole	28 min
May 25, 9:07 PM CDT	Flash Flood Warning	OUN	Caddo, Canadian, Grady	3 hr
May 25, 9:09 PM CDT	Special Weather Statement	OUN	Comanche, Cotton	36 min
May 25, 9:17 PM CDT	Special Weather Statement	OUN	Grady	13 min
May 25, 9:29 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Grady, Jefferson, Stephens	46 min
May 25, 9:50 PM CDT	Areal Flood Advisory	OUN	Comanche	115 min
May 25, 9:57 PM CDT	Special Weather Statement	OUN	Johnston	33 min
May 25, 10:03 PM CDT	Special Weather Statement	OUN	Grady	12 min
May 25, 10:15 PM CDT	Special Weather Statement	OUN	Grady, Jefferson, Stephens	30 min
May 25, 10:21 PM CDT	Special Weather Statement	OUN	Hughes	24 min
May 25, 10:26 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston, Marshall	34 min
May 25, 10:29 PM CDT	Areal Flood Advisory	OUN	Atoka, Coal, Johnston, Marshall	14 min
May 25, 10:39 PM CDT	Areal Flood Advisory	OUN	Hughes	3 hr
May 25, 10:40 PM CDT	Special Weather Statement	OUN	Atoka	20 min
May 25, 10:43 PM CDT	Flash Flood Warning	OUN	Atoka, Coal, Johnston, Marshall	5 hr
May 25, 10:44 PM CDT	Special Weather Statement	OUN	Carter, Love	31 min
May 25, 10:47 PM CDT	Special Weather Statement	OUN	Carter, Garvin, Jefferson, Love, McClain, Murray	43 min
May 25, 10:53 PM CDT	Flash Flood Warning	OUN	Cleveland, Grady, McClain, Oklahoma	3 hr
May 25, 10:58 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Murray, Pontotoc	32 min
May 25, 11:05 PM CDT	Special Weather Statement	OUN	Atoka, Johnston, Marshall	25 min
May 25, 11:20 PM CDT	Flash Flood Warning	OUN	Carter, Love, Marshall	3 hr
May 25, 11:29 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray	8 min
May 25, 11:40 PM CDT	Special Weather Statement	OUN	Atoka, Carter, Johnston, Love, Marshall	35 min
May 25, 11:44 PM CDT	Areal Flood Warning	OUN	Cleveland, Oklahoma	2 hr
May 25, 11:44 PM CDT	Flash Flood Warning	OUN	Atoka, Bryan, Johnston, Marshall	4 hr
May 25, 11:56 PM CDT	Areal Flood Advisory	OUN	Carter, Coal, Garvin, Johnston, Murray, Pontotoc	3 hr
May 26, 12:23 AM CDT	Special Weather Statement	OUN	Bryan, Marshall	22 min
May 26, 1:25 AM CDT	Areal Flood Warning	OUN	Cleveland, Grady, McClain, Oklahoma	110 min
May 26, 1:38 AM CDT	Areal Flood Warning	OUN	Canadian, Grady	112 min
May 26, 2:26 AM CDT	Areal Flood Warning	OUN	Carter, Love, Marshall	3 hr
May 26, 3:20 AM CDT	River Flood Advisory	OUN	Lincoln, Oklahoma, Pottawatomie	17 hr
May 26, 3:32 AM CDT	Areal Flood Warning	OUN	Atoka, Coal, Johnston, Marshall	14 hr
May 26, 3:44 AM CDT	River Flood Warning	OUN	Bryan	46 hr
May 26, 3:45 AM CDT	River Flood Warning	OUN	Atoka	11 hr
May 26, 5:28 AM CDT	Special Weather Statement	OUN	Grant	47 min
May 26, 6:09 AM CDT	Special Weather Statement	OUN	Grant	36 min
May 26, 2:19 PM CDT	River Flood Advisory	OUN	Atoka	13 hr
May 26, 4:09 PM CDT	Special Weather Statement	OUN	Roger Mills	36 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.