Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 736, NWS Norman, OK

June 27, 20264 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 27, 2026, 3:45 AM CDT for 4 counties in Oklahoma. It was in force for 12 min. 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 27, 2026, 3:45 AM CDT (08:45 UTC)
Expired: Jun 27, 2026, 3:57 AM CDT
In force: 12 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Norman radar (KTLX), 27 km from the middle of the area, began a volume at 08:45 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, 8.8 hours before the alert went out and 12 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: 2873 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 27, 1:26 AM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, Jun 27, 1:26 AM CDT, 2 hours 19 minutes before

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In the hours before

Local storm report, Jun 27, 1:03 AM CDT, 2 hours 42 minutes before

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Local storm report, Jun 27, 1:05 AM CDT, 2 hours 40 minutes before

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Local storm report, Jun 27, 1:21 AM CDT, 2 hours 24 minutes before

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Special weather statement, Jun 27, 1:38 AM CDT, 2 hours 7 minutes before

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Special weather statement, Jun 27, 3:17 AM CDT, 28 minutes before

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Special weather statement, Jun 27, 3:32 AM CDT, 13 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 26, 7:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield	45 min
Jun 26, 7:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Garfield, Kingfisher, Major	31 min
Jun 26, 7:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Noble, Payne	49 min
Jun 26, 7:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kay	48 min
Jun 26, 7:30 PM CDT	Special Weather Statement	OUN	Major	30 min
Jun 26, 7:34 PM CDT	Special Weather Statement	OUN	Alfalfa	26 min
Jun 26, 7:38 PM CDT	Areal Flood Advisory	OUN	Noble	3 hr
Jun 26, 7:43 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OUN	Noble, Payne	32 min
Jun 26, 7:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield, Kingfisher, Logan, Noble	45 min
Jun 26, 8:01 PM CDT	Flash Flood Warning	OUN	Noble	3 hr
Jun 26, 8:10 PM CDT	Severe Thunderstorm Warning	OUN	Kay	20 min
Jun 26, 8:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Logan, Noble, Payne	47 min
Jun 26, 8:15 PM CDT	Tornado Warning	OUN	Noble, Payne	30 min
Jun 26, 8:16 PM CDT	Areal Flood Advisory	OUN	Garfield	3 hr
Jun 26, 8:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield, Kingfisher, Logan, Noble, Payne	35 min
Jun 26, 8:35 PM CDT	Special Weather Statement	OUN	Garfield	25 min
Jun 26, 8:40 PM CDT	Severe Thunderstorm Warning Destructive damage threat	OUN	Payne	35 min
Jun 26, 8:49 PM CDT	Areal Flood Advisory	OUN	Noble, Payne	3 hr
Jun 26, 8:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Lincoln, Logan, Noble, Payne	49 min
Jun 26, 8:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kingfisher, Logan	48 min
Jun 26, 9:01 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Major	44 min
Jun 26, 9:08 PM CDT	Special Weather Statement	OUN	Dewey	37 min
Jun 26, 9:26 PM CDT	Flash Flood Warning	OUN	Noble, Payne	3 hr
Jun 26, 9:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Custer, Dewey	49 min
Jun 26, 9:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Logan, Oklahoma	46 min
Jun 26, 9:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield, Kingfisher	42 min
Jun 26, 9:39 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Payne	51 min
Jun 26, 9:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Dewey	18 min
Jun 26, 10:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Lincoln, Logan, Oklahoma	49 min
Jun 26, 10:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kingfisher, Logan	48 min
Jun 26, 10:14 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey, Kingfisher, Major	46 min
Jun 26, 10:22 PM CDT	Special Weather Statement	OUN	Garfield	23 min
Jun 26, 10:28 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	47 min
Jun 26, 10:35 PM CDT	Areal Flood Warning	OUN	Noble	2 hr
Jun 26, 10:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kingfisher, Logan	44 min
Jun 26, 10:57 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	48 min
Jun 26, 11:00 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	45 min
Jun 26, 11:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kingfisher, Logan, Oklahoma	40 min
Jun 26, 11:08 PM CDT	Areal Flood Advisory	OUN	Blaine, Kingfisher	3 hr
Jun 26, 11:14 PM CDT	Special Weather Statement	OUN	Garfield, Major	31 min
Jun 26, 11:17 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	43 min
Jun 26, 11:29 PM CDT	Areal Flood Advisory	OUN	Logan	3 hr
Jun 26, 11:43 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher, Logan, Oklahoma	47 min
Jun 26, 11:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Canadian, Kingfisher, Oklahoma	48 min
Jun 27, 12:01 AM CDT	Special Weather Statement	OUN	Alfalfa, Major	29 min
Jun 27, 12:02 AM CDT	Flash Flood Warning	OUN	Logan	3 hr
Jun 27, 12:10 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Oklahoma	50 min
Jun 27, 12:28 AM CDT	Severe Thunderstorm Warning Destructive damage threat	OUN	Canadian, Oklahoma	12 min
Jun 27, 12:34 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Ellis, Harper, Roger Mills, Woodward	41 min
Jun 27, 12:38 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Oklahoma	22 min
Jun 27, 12:40 AM CDT	Flash Flood Warning	OUN	Oklahoma	3 hr
Jun 27, 12:45 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Major	45 min
Jun 27, 12:54 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	51 min
Jun 27, 12:57 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	22 min
Jun 27, 1:08 AM CDT	Areal Flood Advisory	OUN	Kingfisher	3 hr
Jun 27, 1:09 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Dewey, Ellis, Harper, Woods, Woodward	51 min
Jun 27, 1:18 AM CDT	Areal Flood Advisory	OUN	Cleveland	3 hr
Jun 27, 1:38 AM CDT	Special Weather Statement	OUN	Alfalfa	37 min
Jun 27, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie, Seminole	18 min
Jun 27, 1:51 AM CDT	Areal Flood Advisory	OUN	Logan	3 hr
Jun 27, 1:52 AM CDT	Severe Thunderstorm Warning	OUN	Harper, Major, Woods, Woodward	23 min
Jun 27, 1:55 AM CDT	Areal Flood Warning	OUN	Blaine, Kingfisher	2 hr
Jun 27, 2:01 AM CDT	Areal Flood Advisory	OUN	Kingfisher, Logan	3 hr
Jun 27, 2:03 AM CDT	Areal Flood Warning	OUN	Logan	3 hr
Jun 27, 2:49 AM CDT	Areal Flood Warning	OUN	Logan	3 hr
Jun 27, 3:00 AM CDT	Areal Flood Advisory	OUN	Lincoln, Oklahoma	3 hr
Jun 27, 3:17 AM CDT	Special Weather Statement	OUN	Cleveland	28 min
Jun 27, 3:32 AM CDT	Special Weather Statement	OUN	Grady	28 min
Jun 27, 3:59 AM CDT	Special Weather Statement	OUN	Cleveland	31 min
Jun 27, 4:03 AM CDT	Areal Flood Advisory	OUN	Cleveland, McClain	3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2026 Every severe thunderstorm 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.