Alert archive / Oklahoma / Flash Flood Warnings in 2026

Flash Flood Warning 40, NWS Norman, OK

June 6, 2026Caddo County, Comanche County, Grady County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 6, 2026, 3:39 AM CDT for Caddo County, Comanche County, Grady 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 6, 2026, 3:39 AM CDT (08:39 UTC)
Expired: Jun 6, 2026, 6:46 AM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

Counties Caddo County, OK, Comanche County, OK, Grady County, OK

The radar

The Altus AFB radar (KFDR), 94 km from the middle of the area, began a volume at 08:40 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, 8.7 hours before the alert went out and 82 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: 2258 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 965 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 18 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 Jun 6, 1:33 AM CDT, 2 hours 6 minutes earlier.

Area forecast discussion, Jun 6, 1:33 AM CDT, 2 hours 6 minutes before

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In the hours before

Special weather statement, Jun 6, 2:21 AM CDT, 1 hour 18 minutes before

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Special weather statement, Jun 6, 2:59 AM CDT, 40 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
Jun 5, 7:03 PM CDT	Special Weather Statement	OUN	Tillman	27 min
Jun 5, 7:11 PM CDT	Areal Flood Advisory	OUN	Jackson	3 hr
Jun 5, 7:36 PM CDT	Special Weather Statement	OUN	Jackson	24 min
Jun 5, 8:12 PM CDT	Special Weather Statement	OUN	Tillman	33 min
Jun 5, 8:16 PM CDT	Areal Flood Advisory	OUN	Jackson, Tillman	3 hr
Jun 5, 8:25 PM CDT	Areal Flood Advisory	OUN	Kiowa, Tillman	3 hr
Jun 5, 8:32 PM CDT	Special Weather Statement	OUN	Jackson	28 min
Jun 5, 8:36 PM CDT	Special Weather Statement	OUN	Comanche	24 min
Jun 5, 8:48 PM CDT	Special Weather Statement	OUN	Tillman	27 min
Jun 5, 8:50 PM CDT	Areal Flood Advisory	OUN	Tillman	3 hr
Jun 5, 8:52 PM CDT	Areal Flood Advisory	OUN	Jackson	3 hr
Jun 5, 8:59 PM CDT	Flash Flood Warning	OUN	Kiowa	3 hr
Jun 5, 9:36 PM CDT	Flash Flood Warning	OUN	Jackson	3 hr
Jun 5, 9:38 PM CDT	Areal Flood Advisory	OUN	Comanche	3 hr
Jun 5, 9:50 PM CDT	Areal Flood Advisory	OUN	Tillman	3 hr
Jun 5, 9:52 PM CDT	Flash Flood Warning	OUN	Comanche	6 hr
Jun 5, 10:56 PM CDT	River Flood Advisory	OUN	Greer, Jackson	10 hr
Jun 5, 11:49 PM CDT	Areal Flood Advisory	OUN	Cotton, Tillman	3 hr
Jun 6, 12:15 AM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Grady, Stephens	7 hr
Jun 6, 12:24 AM CDT	Flash Flood Warning	OUN	Comanche, Cotton, Tillman	3 hr
Jun 6, 12:36 AM CDT	Areal Flood Warning	OUN	Jackson	3 hr
Jun 6, 1:13 AM CDT	Flood Watch	OUN	Atoka, Beckham, Blaine, Bryan, Caddo, Canadian and 34 more	34 hr
Jun 6, 3:25 AM CDT	Areal Flood Warning	OUN	Comanche, Cotton, Tillman	5 hr
Jun 6, 3:41 AM CDT	Special Weather Statement	OUN	Grady	34 min
Jun 6, 6:46 AM CDT	Areal Flood Warning	OUN	Caddo, Comanche, Grady	2 hr
Jun 6, 8:25 AM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Kiowa, Washita	3 hr
Jun 6, 8:30 AM CDT	Areal Flood Advisory	OUN	Lincoln	4 hr
Jun 6, 8:38 AM CDT	Areal Flood Advisory	OUN	Atoka, Coal	3 hr
Jun 6, 9:15 AM CDT	River Flood Advisory	OUN	Cotton	7 hr
Jun 6, 11:02 AM CDT	Areal Flood Advisory	OUN	Garfield, Kingfisher, Logan	3 hr
Jun 6, 3:16 PM CDT	Special Weather Statement	OUN	Jackson	29 min
Jun 6, 3:28 PM CDT	Special Weather Statement	OUN	Jackson	32 min
Jun 6, 3:54 PM CDT	Special Weather Statement	OUN	Carter	36 min
Jun 6, 3:59 PM CDT	Special Weather Statement	OUN	Kiowa	31 min
Jun 6, 4:11 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray	49 min
Jun 6, 4:24 PM CDT	Areal Flood Advisory	OUN	Carter, Garvin, Murray	3 hr
Jun 6, 4:32 PM CDT	River Flood Warning	OUN	Cotton	46 hr
Jun 6, 4:38 PM CDT	Flash Flood Warning	OUN	Hughes	82 min
Jun 6, 4:39 PM CDT	Special Weather Statement	OUN	Love	51 min
Jun 6, 4:48 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray, Pontotoc	19 min
Jun 6, 4:53 PM CDT	Special Weather Statement	OUN	Carter	37 min
Jun 6, 5:21 PM CDT	Special Weather Statement	OUN	Carter, Love	24 min
Jun 6, 5:38 PM CDT	Special Weather Statement	OUN	Pontotoc	37 min
Jun 6, 5:40 PM CDT	Special Weather Statement	OUN	Carter, Love, Marshall	50 min
Jun 6, 5:54 PM CDT	Severe Thunderstorm Warning	OUN	Pontotoc	51 min
Jun 6, 6:10 PM CDT	Special Weather Statement	OUN	Johnston, Marshall	50 min
Jun 6, 6:24 PM CDT	Areal Flood Advisory	OUN	Pontotoc	66 min
Jun 6, 6:36 PM CDT	Special Weather Statement	OUN	Pontotoc	24 min
Jun 6, 6:53 PM CDT	Special Weather Statement	OUN	Bryan	52 min
Jun 5, 7:07 PM CDT	Special Weather Statement	OUN	Wilbarger	23 min
Jun 5, 7:46 PM CDT	Special Weather Statement	OUN	Hardeman	29 min
Jun 5, 9:08 PM CDT	Flash Flood Warning	OUN	Foard, Hardeman	3 hr
Jun 5, 11:22 PM CDT	Areal Flood Advisory	OUN	Archer, Baylor, Wichita, Wilbarger	6 hr
Jun 5, 11:55 PM CDT	Areal Flood Warning	OUN	Foard, Hardeman	4 hr
Jun 6, 12:11 AM CDT	Areal Flood Advisory	OUN	Baylor, Knox	5 hr
Jun 6, 2:21 AM CDT	Special Weather Statement	OUN	Baylor	39 min
Jun 6, 2:59 AM CDT	Special Weather Statement	OUN	Archer	31 min
Jun 6, 3:16 AM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Wichita	29 min
Jun 6, 3:44 AM CDT	Special Weather Statement	OUN	Wichita	31 min
Jun 6, 2:40 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	50 min
Jun 6, 3:19 PM CDT	Severe Thunderstorm Warning	OUN	Clay	56 min

Nearby

Flash Flood Warnings in Oklahoma, 2026 Every 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.