Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 76, NWS Norman, OK

April 2, 2025Cotton County, Jefferson County, Oklahoma; Clay County, Wichita County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Apr 2, 2025, 5:50 AM CDT for Cotton County, Jefferson County, Oklahoma; Clay County, Wichita County, Texas. It was in force for 26 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: Apr 2, 2025, 5:50 AM CDT (10:50 UTC)
Expired: Apr 2, 2025, 6:16 AM CDT
In force: 26 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cotton County, OK, Jefferson County, OK, Clay County, TX, Wichita County, TX

The radar

The Altus AFB radar (KFDR), 73 km from the middle of the area, began a volume at 10:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 2, 2:46 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 10.8 hours before the alert went out and 154 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: 1438 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 908 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 350 m²/s²
0-3 km storm-relative helicity: 601 m²/s²
Significant tornado parameter: 4.2
Supercell composite: 12.0

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 Apr 1, 6:21 PM CDT, 11 hours 29 minutes earlier.

Area forecast discussion, Apr 1, 6:21 PM CDT, 11 hours 29 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 1, 7:08 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Garvin, Grady, Stephens	15 min
Apr 1, 7:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Cotton, Jefferson, Stephens	51 min
Apr 1, 7:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Kay	50 min
Apr 1, 7:13 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jefferson, Stephens, Tillman	32 min
Apr 1, 7:52 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Grady, McClain, Stephens	38 min
Apr 1, 8:27 PM CDT	Special Weather Statement	OUN	Garvin	33 min
Apr 2, 1:33 AM CDT	Special Weather Statement	OUN	Alfalfa, Ellis, Harper, Roger Mills, Woods, Woodward	57 min
Apr 2, 2:24 AM CDT	Special Weather Statement	OUN	Major	36 min
Apr 2, 2:57 AM CDT	Special Weather Statement	OUN	Garfield, Grant	33 min
Apr 2, 3:02 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Garfield, Grant, Kingfisher, Major	43 min
Apr 2, 3:31 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	44 min
Apr 2, 3:39 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	51 min
Apr 2, 3:54 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady, Kiowa, Washita	51 min
Apr 2, 3:59 AM CDT	Severe Thunderstorm Warning	OUN	Tillman	46 min
Apr 2, 4:12 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan, Noble, Payne	48 min
Apr 2, 4:19 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Kiowa	26 min
Apr 2, 4:25 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	35 min
Apr 2, 4:26 AM CDT	Severe Thunderstorm Warning	OUN	Kay	34 min
Apr 2, 4:43 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Grady, Stephens	47 min
Apr 2, 4:49 AM CDT	Special Weather Statement	OUN	Oklahoma	26 min
Apr 2, 4:52 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Noble, Payne	38 min
Apr 2, 5:19 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	41 min
Apr 2, 5:27 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Cotton, Garvin, Grady, Jefferson, McClain and 1 more	48 min
Apr 2, 5:30 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	45 min
Apr 2, 5:43 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln	32 min
Apr 2, 6:05 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Cleveland, Garvin, Hughes, McClain, Murray and 5 more	40 min
Apr 2, 6:39 AM CDT	Severe Thunderstorm Warning	OUN	Coal, Garvin, Hughes, Johnston, McClain, Murray and 3 more	51 min
Apr 2, 7:23 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes, Johnston, Pontotoc, Seminole	52 min
Apr 2, 7:38 AM CDT	Special Weather Statement	OUN	Love	37 min
Apr 2, 8:06 AM CDT	Special Weather Statement	OUN	Love, Marshall	24 min
Apr 2, 8:32 AM CDT	Special Weather Statement	OUN	Johnston	28 min
Apr 2, 8:56 AM CDT	Special Weather Statement	OUN	Atoka	34 min
Apr 2, 5:30 AM CDT	Special Weather Statement	OUN	Wichita	30 min
Apr 2, 5:57 AM CDT	Special Weather Statement	OUN	Archer	33 min
Apr 2, 6:44 AM CDT	Special Weather Statement	OUN	Archer	31 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2025 Severe Thunderstorm Warnings in Texas, 2025 Every severe thunderstorm 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.