Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 435, NWS Norman, OK

May 23, 2025Kay County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 23, 2025, 1:00 PM CDT for Kay County, Oklahoma. It was in force for 16 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: May 23, 2025, 1:00 PM CDT (18:00 UTC)
Expired: May 23, 2025, 1:16 PM CDT
In force: 16 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Kay County, OK

The radar

The Vance AFB radar (KVNX), 88 km from the middle of the area, began a volume at 18:01 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

Dodge City, (KDDC), launched 12:00Z, 6.0 hours before the alert went out and 266 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 343 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 May 23, 12:48 PM CDT, 12 minutes earlier.

Area forecast discussion, May 23, 12:48 PM CDT, 12 minutes before

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In the hours before

Special weather statement, May 23, 10:30 AM CDT, 2 hours 30 minutes before

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Special weather statement, May 23, 11:52 AM CDT, 1 hour 8 minutes before

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Special weather statement, May 23, 12:38 PM CDT, 22 minutes before

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Special weather statement, May 23, 12:41 PM CDT, 19 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
May 22, 7:00 PM CDT	Special Weather Statement	OUN	Kiowa	30 min
May 22, 7:07 PM CDT	Special Weather Statement	OUN	Cotton, Tillman	23 min
May 22, 7:19 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	26 min
May 22, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson	13 min
May 23, 10:30 AM CDT	Special Weather Statement	OUN	Major	30 min
May 23, 11:52 AM CDT	Special Weather Statement	OUN	Garfield	38 min
May 23, 12:38 PM CDT	Special Weather Statement	OUN	Kay	37 min
May 23, 12:41 PM CDT	Special Weather Statement	OUN	Noble	34 min
May 23, 1:09 PM CDT	Special Weather Statement	OUN	Payne	36 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.