Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 397, NWS Amarillo, TX

October 2, 2023Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Oct 2, 2023, 9:40 PM CDT for Cimarron County, Oklahoma. It was in force for 65 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: Oct 2, 2023, 9:40 PM CDT (02:40 UTC)
Expired: Oct 2, 2023, 10:45 PM CDT
In force: 65 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 02:40 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 watch it was issued in

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

Issued	Product	Office	Lasted
Oct 2, 9:03 PM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.7 hours before the alert went out and 258 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: 331 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1704 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 124 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 2, 2:04 PM CDT, 7 hours 36 minutes earlier.

Area forecast discussion, Oct 2, 2:04 PM CDT, 7 hours 36 minutes before

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Hazardous weather outlook, Oct 2, 1:42 PM CDT, 7 hours 58 minutes before

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In the hours before

Special weather statement, Oct 2, 3:51 PM CDT, 5 hours 49 minutes before

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Special weather statement, Oct 2, 3:56 PM CDT, 5 hours 44 minutes before

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Special weather statement, Oct 2, 5:22 PM CDT, 4 hours 18 minutes before

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Special weather statement, Oct 2, 6:45 PM CDT, 2 hours 55 minutes before

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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 2, 7:06 PM CDT	Special Weather Statement	AMA	Sherman	54 min
Oct 2, 7:41 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore, Sherman	66 min
Oct 2, 9:44 PM CDT	Special Weather Statement	AMA	Dallam, Hartley, Oldham	31 min
Oct 2, 10:16 PM CDT	Special Weather Statement	AMA	Dallam, Hartley	29 min
Oct 2, 10:23 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley, Moore, Oldham, Sherman	67 min
Oct 2, 10:25 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Sherman	65 min
Oct 2, 10:53 PM CDT	Special Weather Statement	AMA	Armstrong	37 min
Oct 2, 11:08 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hansford, Sherman	50 min
Oct 2, 11:30 PM CDT	Special Weather Statement	AMA	Sherman	45 min
Oct 2, 9:27 PM CDT	Special Weather Statement	AMA	Cimarron	33 min
Oct 3, 12:07 AM CDT	Special Weather Statement	AMA	Texas	23 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2023 Every severe thunderstorm warning in 2023

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.