Alert archive / Oklahoma / Flash Flood Warnings in 2026

Flash Flood Warning 65, NWS Norman, OK

June 23, 2026Garvin County, McClain County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jun 23, 2026, 2:43 PM CDT for Garvin County, McClain 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 23, 2026, 2:43 PM CDT (19:43 UTC)
Expired: Jun 23, 2026, 5:45 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

Counties Garvin County, OK, McClain County, OK

The radar

The Norman radar (KTLX), 54 km from the middle of the area, began a volume at 19:46 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, 7.7 hours before the alert went out and 40 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: 1594 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 12.1

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 23, 2:33 PM CDT, 10 minutes earlier.

Area forecast discussion, Jun 23, 2:33 PM CDT, 10 minutes before

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In the hours before

Local storm report, Jun 23, 1:51 PM CDT, 52 minutes before

Preliminary Local Storm Report
National Weather Service Norman OK
151 PM CDT Tue Jun 23 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0145 PM     Tstm Wnd Gst     7 W Valley Brook        35.39N 97.60W
06/23/2026  M70 MPH          Oklahoma           OK   ASOS

            WILL ROGERS INTERNATIONAL AIRPORT.

&&

JP

Local storm report, Jun 23, 2:00 PM CDT, 43 minutes before

Preliminary Local Storm Report
National Weather Service Norman OK
200 PM CDT Tue Jun 23 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0159 PM     Flash Flood      Pontotoc                34.49N 96.63W
06/23/2026                   Johnston           OK   Emergency Mngr

            Water crossing the highway in town and
            county road is underwater at the county line
            north of town.

&&

JP

Special weather statement, Jun 23, 2:03 PM CDT, 40 minutes before

Special Weather Statement
National Weather Service Norman OK
203 PM CDT Tue Jun 23 2026

OKZ033-034-231930-
Harmon OK-Greer OK-
203 PM CDT Tue Jun 23 2026

...A strong thunderstorm will impact portions of northeastern Harmon
and Greer Counties through 230 PM CDT...

At 203 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles northeast of Vinson, moving southeast at 40 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Mangum, Granite, Hester, Brinkman, and Altus-Lugert Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3507 9971 3496 9933 3494 9933 3493 9931
      3481 9938 3481 9941 3477 9941 3477 9943
      3476 9944 3472 9951 3472 9953 3496 9985
TIME...MOT...LOC 1903Z 302DEG 35KT 3497 9969

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

MDU

Local storm report, Jun 23, 2:10 PM CDT, 33 minutes before

Preliminary Local Storm Report
National Weather Service Norman OK
210 PM CDT Tue Jun 23 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0207 PM     Tstm Wnd Gst     5 SE Quanah             34.25N 99.68W
06/23/2026  E60 MPH          Hardeman           TX   Broadcast Media

&&

JP

Local storm report, Jun 23, 2:13 PM CDT, 30 minutes before

Preliminary Local Storm Report
National Weather Service Norman OK
213 PM CDT Tue Jun 23 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0210 PM     Tstm Wnd Gst     3 SSE Norman            35.18N 97.42W
06/23/2026  M59 MPH          Cleveland          OK   Official NWS Obs

            At NATIONAL WEATHER CENTER.

&&

JP

Local storm report, Jun 23, 2:34 PM CDT, 9 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 23, 12:29 AM CDT	Special Weather Statement	OUN	Jackson	31 min
Jun 23, 12:38 AM CDT	Special Weather Statement	OUN	Kiowa	37 min
Jun 23, 12:50 AM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	40 min
Jun 23, 1:27 AM CDT	Severe Thunderstorm Warning	OUN	Jackson	34 min
Jun 23, 4:46 AM CDT	Special Weather Statement	OUN	Ellis	29 min
Jun 23, 5:13 AM CDT	Special Weather Statement	OUN	Ellis, Harper	32 min
Jun 23, 5:50 AM CDT	Special Weather Statement	OUN	Ellis	25 min
Jun 23, 6:28 AM CDT	Severe Thunderstorm Warning	OUN	Ellis	47 min
Jun 23, 6:41 AM CDT	Areal Flood Advisory	OUN	Ellis	3 hr
Jun 23, 6:54 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Woodward	66 min
Jun 23, 6:58 AM CDT	Areal Flood Advisory	OUN	Bryan	3 hr
Jun 23, 7:12 AM CDT	Special Weather Statement	OUN	Kingfisher	33 min
Jun 23, 7:16 AM CDT	Flash Flood Warning	OUN	Ellis	3 hr
Jun 23, 7:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Ellis, Roger Mills	51 min
Jun 23, 7:42 AM CDT	Special Weather Statement	OUN	Ellis	33 min
Jun 23, 8:14 AM CDT	Special Weather Statement	OUN	Ellis	31 min
Jun 23, 8:28 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Custer, Dewey, Ellis, Roger Mills	21 min
Jun 23, 8:33 AM CDT	Areal Flood Advisory	OUN	Bryan	3 hr
Jun 23, 8:46 AM CDT	Special Weather Statement	OUN	Ellis	29 min
Jun 23, 8:56 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Roger Mills	49 min
Jun 23, 9:06 AM CDT	Areal Flood Advisory	OUN	Ellis	3 hr
Jun 23, 9:38 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Custer, Dewey, Ellis, Roger Mills	52 min
Jun 23, 9:51 AM CDT	Special Weather Statement	OUN	Atoka	24 min
Jun 23, 10:11 AM CDT	Areal Flood Advisory	OUN	Ellis, Roger Mills	3 hr
Jun 23, 10:11 AM CDT	Areal Flood Advisory	OUN	Atoka, Bryan	3 hr
Jun 23, 10:19 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Beckham, Custer, Dewey, Ellis, Roger Mills, Washita	41 min
Jun 23, 10:22 AM CDT	Special Weather Statement	OUN	Atoka	23 min
Jun 23, 10:34 AM CDT	Special Weather Statement	OUN	Noble	26 min
Jun 23, 10:43 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Logan, Noble, Payne	20 min
Jun 23, 10:45 AM CDT	Special Weather Statement	OUN	Atoka	60 min
Jun 23, 10:49 AM CDT	Flash Flood Warning	OUN	Atoka, Bryan	3 hr
Jun 23, 10:55 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Beckham, Greer, Harmon, Roger Mills	50 min
Jun 23, 11:05 AM CDT	Special Weather Statement	OUN	Payne	25 min
Jun 23, 11:18 AM CDT	Flash Flood Warning	OUN	Atoka	3 hr
Jun 23, 11:25 AM CDT	Areal Flood Advisory	OUN	Atoka, Coal	3 hr
Jun 23, 11:34 AM CDT	Flash Flood Warning Considerable damage threat	OUN	Atoka	2 hr
Jun 23, 11:38 AM CDT	Special Weather Statement	OUN	Payne	37 min
Jun 23, 11:42 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Beckham, Greer, Harmon	48 min
Jun 23, 11:45 AM CDT	Special Weather Statement	OUN	Atoka	30 min
Jun 23, 11:50 AM CDT	Severe Thunderstorm Warning	OUN	Atoka	40 min
Jun 23, 12:07 PM CDT	Flash Flood Warning EmergencyCatastrophic damage threat	OUN	Atoka	3 hr
Jun 23, 12:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Greer, Harmon, Jackson	39 min
Jun 23, 12:29 PM CDT	Special Weather Statement	OUN	Atoka	31 min
Jun 23, 12:34 PM CDT	Areal Flood Advisory	OUN	Atoka, Coal, Hughes, Johnston, Pontotoc	86 min
Jun 23, 12:56 PM CDT	Special Weather Statement	OUN	Canadian	49 min
Jun 23, 12:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Greer, Harmon, Jackson	47 min
Jun 23, 1:13 PM CDT	Flood Watch	OUN	Alfalfa, Atoka, Blaine, Bryan, Canadian, Carter and 28 more	23 hr
Jun 23, 1:18 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	27 min
Jun 23, 1:32 PM CDT	Flash Flood Warning	OUN	Coal, Hughes, Johnston, Murray, Pontotoc	3 hr
Jun 23, 1:38 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	52 min
Jun 23, 1:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Jackson	47 min
Jun 23, 1:49 PM CDT	Special Weather Statement	OUN	Murray	26 min
Jun 23, 1:55 PM CDT	Flash Flood Warning	OUN	Garvin, Murray, Pontotoc	3 hr
Jun 23, 1:58 PM CDT	River Flood Advisory	OUN	Atoka	27 min
Jun 23, 1:59 PM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	3 hr
Jun 23, 2:03 PM CDT	Special Weather Statement	OUN	Greer	27 min
Jun 23, 2:06 PM CDT	Flash Flood Warning Considerable damage threat	OUN	Johnston, Pontotoc	3 hr
Jun 23, 2:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Cleveland, Grady, Lincoln, McClain, Oklahoma, Pottawatomie	52 min
Jun 23, 2:13 PM CDT	Flash Flood Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	91 min
Jun 23, 2:18 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray	42 min
Jun 23, 2:25 PM CDT	River Flood Warning	OUN	Atoka	42 hr
Jun 23, 2:34 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Lincoln, McClain, Murray, Pontotoc and 2 more	41 min
Jun 23, 2:35 PM CDT	Areal Flood Advisory	OUN	Lincoln	3 hr
Jun 23, 2:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Johnston, Murray	35 min
Jun 23, 3:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Carter, Garvin, Murray	39 min
Jun 23, 3:12 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes, Johnston, Murray, Pontotoc, Seminole	33 min
Jun 23, 3:14 PM CDT	Areal Flood Warning	OUN	Atoka, Johnston	5 hr
Jun 23, 3:15 PM CDT	Flash Flood Warning	OUN	Carter, Garvin, Johnston, Murray	3 hr
Jun 23, 3:44 PM CDT	Special Weather Statement	OUN	Atoka, Coal	46 min
Jun 23, 3:46 PM CDT	Special Weather Statement	OUN	Carter, Johnston, Marshall, Murray	44 min
Jun 23, 4:07 PM CDT	Special Weather Statement	OUN	Roger Mills	23 min
Jun 23, 4:29 PM CDT	Special Weather Statement	OUN	Atoka, Bryan, Johnston, Love, Marshall	31 min
Jun 23, 4:56 PM CDT	Areal Flood Warning	OUN	Coal, Johnston, Murray, Pontotoc	3 hr
Jun 23, 4:58 PM CDT	Special Weather Statement	OUN	Atoka, Bryan	47 min
Jun 23, 4:59 PM CDT	Areal Flood Warning	OUN	Garvin, Murray	3 hr
Jun 23, 5:19 PM CDT	Areal Flood Advisory	OUN	Bryan	3 hr
Jun 23, 6:05 PM CDT	Areal Flood Warning	OUN	Carter, Garvin, Johnston, Murray	3 hr
Jun 23, 2:27 PM CDT	Tornado Warning	OUN	Foard, Wilbarger	33 min
Jun 23, 2:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Baylor, Foard, Hardeman, Knox, Wilbarger	47 min
Jun 23, 3:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Baylor, Foard, Knox, Wilbarger	58 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.