Alert archive / Oklahoma / Flash Flood Warnings in 2025

Flash Flood Warning 55, NWS Norman, OK

April 30, 2025Cleveland County, Oklahoma

NWS Norman, OK issued this flash flood warning at Apr 30, 2025, 10:51 AM CDT for Cleveland 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: Apr 30, 2025, 10:51 AM CDT (15:51 UTC)
Expired: Apr 30, 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), 15 km from the middle of the area, began a volume at 15:52 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 12:00Z, 3.9 hours before the alert went out and 264 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: 903 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 8.2

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 Apr 30, 5:58 AM CDT, 4 hours 53 minutes earlier.

Area forecast discussion, Apr 30, 5:58 AM CDT, 4 hours 53 minutes before

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In the hours before

Local storm report, Apr 30, 8:43 AM CDT, 2 hours 8 minutes before

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Special weather statement, Apr 30, 9:10 AM CDT, 1 hour 41 minutes before

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Special weather statement, Apr 30, 9:22 AM CDT, 1 hour 29 minutes before

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Local storm report, Apr 30, 9:24 AM CDT, 1 hour 27 minutes before

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Special weather statement, Apr 30, 10:27 AM CDT, 24 minutes before

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Local storm report, Apr 30, 10:28 AM CDT, 23 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
Apr 29, 7:05 PM CDT	Areal Flood Advisory	OUN	Greer, Harmon, Jackson, Kiowa, Tillman	6 hr
Apr 29, 7:05 PM CDT	Special Weather Statement	OUN	Jackson	25 min
Apr 29, 7:12 PM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, Grady, Kingfisher, Logan, McClain and 1 more	8 hr
Apr 29, 7:13 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	47 min
Apr 29, 7:14 PM CDT	Special Weather Statement	OUN	Logan	46 min
Apr 29, 7:33 PM CDT	Tornado Warning	OUN	Tillman	27 min
Apr 29, 7:41 PM CDT	Flash Flood Warning	OUN	Comanche, Jackson, Kiowa, Tillman	9 hr
Apr 29, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	45 min
Apr 29, 7:50 PM CDT	Areal Flood Advisory	OUN	Comanche, Cotton, Jefferson, Stephens, Tillman	8 hr
Apr 29, 7:52 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Kiowa, Tillman	38 min
Apr 29, 7:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Cotton	38 min
Apr 29, 7:53 PM CDT	Tornado Warning	OUN	Tillman	17 min
Apr 29, 8:04 PM CDT	Special Weather Statement	OUN	Payne	41 min
Apr 29, 8:17 PM CDT	Flash Flood Warning	OUN	Comanche, Cotton, Tillman	4 hr
Apr 29, 8:19 PM CDT	Tornado Warning	OUN	Cotton	26 min
Apr 29, 8:24 PM CDT	Tornado Warning	OUN	Cotton	21 min
Apr 29, 8:26 PM CDT	River Flood Warning	OUN	Atoka	4 days
Apr 29, 8:27 PM CDT	Tornado Warning	OUN	Cotton	33 min
Apr 29, 8:31 PM CDT	Special Weather Statement	OUN	Logan	29 min
Apr 29, 8:35 PM CDT	Tornado Warning	OUN	Cotton, Jefferson, Stephens	25 min
Apr 29, 8:39 PM CDT	Tornado Warning	OUN	Jefferson	36 min
Apr 29, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Comanche, Cotton, Jefferson, Stephens	49 min
Apr 29, 8:57 PM CDT	Tornado Warning	OUN	Comanche, Cotton, Stephens	33 min
Apr 29, 9:14 PM CDT	Flash Flood Warning	OUN	Caddo, Comanche, Cotton, Garvin, Grady, Jefferson and 2 more	3 hr
Apr 29, 9:19 PM CDT	Flash Flood Warning	OUN	Canadian, Cleveland, Grady, Logan, McClain, Oklahoma	3 hr
Apr 29, 9:27 PM CDT	River Flood Warning	OUN	Garvin, Grady	47 hr
Apr 29, 9:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Carter, Comanche, Garvin, Grady, Jefferson, Love and 3 more	46 min
Apr 29, 9:40 PM CDT	Areal Flood Advisory	OUN	Lincoln, Logan, Payne	3 hr
Apr 29, 9:55 PM CDT	Flash Flood Warning	OUN	Cleveland, Garvin, McClain, Murray, Pottawatomie	2 hr
Apr 29, 10:11 PM CDT	Flash Flood Warning	OUN	Lincoln, Logan, Payne	3 hr
Apr 29, 10:18 PM CDT	Special Weather Statement	OUN	Pottawatomie	27 min
Apr 29, 10:23 PM CDT	Flash Flood Warning Considerable damage threat	OUN	Cleveland, Logan, Oklahoma	3 hr
Apr 29, 10:25 PM CDT	Special Weather Statement	OUN	Love	35 min
Apr 29, 10:42 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Love	48 min
Apr 29, 11:10 PM CDT	Flash Flood Warning	OUN	Cleveland, Garvin, Lincoln, McClain, Oklahoma, Pontotoc and 2 more	3 hr
Apr 29, 11:13 PM CDT	Special Weather Statement	OUN	Hughes, Seminole	32 min
Apr 29, 11:21 PM CDT	Special Weather Statement	OUN	Love	24 min
Apr 29, 11:55 PM CDT	Flash Flood Warning	OUN	Love	3 hr
Apr 30, 12:07 AM CDT	Severe Thunderstorm Warning	OUN	Love	38 min
Apr 30, 12:26 AM CDT	Special Weather Statement	OUN	Cotton	34 min
Apr 30, 12:29 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	46 min
Apr 30, 12:45 AM CDT	Severe Thunderstorm Warning	OUN	Love	30 min
Apr 30, 1:19 AM CDT	Flash Flood Warning	OUN	Comanche, Cotton, Tillman	5 hr
Apr 30, 1:36 AM CDT	Special Weather Statement	OUN	Tillman	24 min
Apr 30, 1:38 AM CDT	Areal Flood Advisory	OUN	Caddo	3 hr
Apr 30, 2:14 AM CDT	Special Weather Statement	OUN	Cotton	31 min
Apr 30, 2:26 AM CDT	River Flood Warning	OUN	Payne	54 hr
Apr 30, 2:26 AM CDT	River Flood Advisory	OUN	Logan	13 hr
Apr 30, 2:27 AM CDT	Flash Flood Warning	OUN	Comanche, Cotton, Jefferson, Stephens	7 hr
Apr 30, 2:34 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jefferson, Stephens	41 min
Apr 30, 3:05 AM CDT	Flash Flood Warning Considerable damage threat	OUN	Cotton	6 hr
Apr 30, 3:25 AM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, Grady, Logan, McClain, Oklahoma	3 hr
Apr 30, 3:32 AM CDT	Flash Flood Warning	OUN	Garvin, Grady, Stephens	3 hr
Apr 30, 3:34 AM CDT	Special Weather Statement	OUN	Stephens	41 min
Apr 30, 3:40 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Grady, Murray, Stephens	50 min
Apr 30, 4:11 AM CDT	Flash Flood Warning Considerable damage threat	OUN	Carter, Cotton, Garvin, Grady, Jefferson, McClain and 1 more	6 hr
Apr 30, 4:27 AM CDT	Flash Flood Warning	OUN	Caddo, Comanche, Jackson, Kiowa, Tillman	5 hr
Apr 30, 4:29 AM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain	24 min
Apr 30, 4:34 AM CDT	Flash Flood Warning	OUN	Cleveland, Garvin, McClain, Murray, Pontotoc, Pottawatomie	11 hr
Apr 30, 4:42 AM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	48 min
Apr 30, 5:11 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jackson, Kiowa, Tillman	49 min
Apr 30, 5:21 AM CDT	Flash Flood Warning	OUN	Cotton, Tillman	3 hr
Apr 30, 5:24 AM CDT	Flash Flood Warning	OUN	Lincoln, Pontotoc, Pottawatomie, Seminole	10 hr
Apr 30, 5:50 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jefferson, Stephens	40 min
Apr 30, 5:55 AM CDT	Flash Flood Warning Considerable damage threat	OUN	Comanche, Cotton, Kiowa, Stephens, Tillman	3 hr
Apr 30, 6:20 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Cotton, Garvin, Jefferson, Stephens	40 min
Apr 30, 6:33 AM CDT	Areal Flood Warning	OUN	Comanche, Cotton, Tillman	4 hr
Apr 30, 6:55 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Jefferson, Murray, Stephens	50 min
Apr 30, 7:02 AM CDT	Flash Flood Warning	OUN	Cleveland, Grady, McClain, Stephens	3 hr
Apr 30, 7:32 AM CDT	Special Weather Statement	OUN	Johnston, Love, Marshall, Murray, Pontotoc	43 min
Apr 30, 8:05 AM CDT	Flash Flood Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	7 hr
Apr 30, 8:08 AM CDT	Special Weather Statement	OUN	Coal, Hughes, Johnston, Pontotoc, Seminole	67 min
Apr 30, 8:10 AM CDT	River Flood Advisory	OUN	Oklahoma	6 hr
Apr 30, 8:10 AM CDT	River Flood Advisory	OUN	Canadian, Oklahoma	25 hr
Apr 30, 8:11 AM CDT	River Flood Warning	OUN	Lincoln, Oklahoma, Pottawatomie	30 hr
Apr 30, 8:12 AM CDT	River Flood Advisory	OUN	Blaine, Caddo, Canadian, Grady	25 hr
Apr 30, 8:31 AM CDT	Special Weather Statement	OUN	Atoka, Bryan, Johnston, Marshall	59 min
Apr 30, 8:45 AM CDT	River Flood Warning	OUN	Garvin, Murray	18 hr
Apr 30, 8:59 AM CDT	Areal Flood Warning	OUN	Caddo, Comanche, Cotton, Grady, Jackson, Jefferson and 3 more	34 hr
Apr 30, 9:07 AM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, Logan, McClain, Oklahoma	3 hr

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.