Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 108, NWS Norman, OK

May 26, 2014Comanche County, Cotton County, Tillman County, Oklahoma; Archer County, Clay County, Wichita County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 26, 2014, 9:42 PM CDT for Comanche County, Cotton County, Tillman County, Oklahoma; Archer County, Clay County, Wichita County, Texas. It was in force for 33 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 26, 2014, 9:42 PM CDT (02:42 UTC)
Expired: May 26, 2014, 10:15 PM CDT
In force: 33 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Comanche County, OK, Cotton County, OK, Tillman County, OK, Archer County, TX, Clay County, TX, Wichita County, TX

The radar

The Altus AFB radar (KFDR), 47 km from the middle of the area, began a volume at 02:45 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

Fort Worth, TX (KFWD), launched 00:00Z, 2.7 hours before the alert went out and 185 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: 71 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1232 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 26, 8:04 PM CDT, 1 hour 38 minutes earlier.

Area forecast discussion, May 26, 8:04 PM CDT, 1 hour 38 minutes before

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Hazardous weather outlook, May 26, 7:14 PM CDT, 2 hours 28 minutes before

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In the hours before

Special weather statement, May 26, 7:15 PM CDT, 2 hours 27 minutes before

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Special weather statement, May 26, 7:20 PM CDT, 2 hours 22 minutes before

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Special weather statement, May 26, 7:46 PM CDT, 1 hour 56 minutes before

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Special weather statement, May 26, 8:29 PM CDT, 1 hour 13 minutes before

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Special weather statement, May 26, 9:28 PM CDT, 14 minutes before

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Local storm report, May 26, 9:41 PM CDT, 1 minute 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 26, 7:15 PM CDT	Special Weather Statement	OUN	Oklahoma	30 min
May 26, 8:29 PM CDT	Special Weather Statement	OUN	Blaine	31 min
May 26, 9:28 PM CDT	Special Weather Statement	OUN	Kingfisher	32 min
May 26, 10:23 PM CDT	Special Weather Statement	OUN	Comanche, Cotton	37 min
May 27, 11:25 AM CDT	Special Weather Statement	OUN	Jefferson	50 min
May 27, 11:53 AM CDT	Special Weather Statement	OUN	Jefferson	37 min
May 27, 12:02 PM CDT	Special Weather Statement	OUN	Stephens	43 min
May 27, 12:12 PM CDT	Special Weather Statement	OUN	Jefferson	48 min
May 27, 12:21 PM CDT	Special Weather Statement	OUN	Stephens	39 min
May 27, 12:23 PM CDT	Special Weather Statement	OUN	Jefferson	52 min
May 27, 12:31 PM CDT	Special Weather Statement	OUN	Jefferson	44 min
May 27, 12:41 PM CDT	Special Weather Statement	OUN	Cotton	49 min
May 27, 12:58 PM CDT	Special Weather Statement	OUN	Stephens	47 min
May 27, 1:01 PM CDT	Special Weather Statement	OUN	Jefferson	29 min
May 27, 1:05 PM CDT	Special Weather Statement	OUN	Stephens	40 min
May 27, 1:35 PM CDT	Special Weather Statement	OUN	Garvin	40 min
May 27, 1:39 PM CDT	Special Weather Statement	OUN	Cotton	51 min
May 27, 2:05 PM CDT	Special Weather Statement	OUN	Murray	25 min
May 27, 2:31 PM CDT	Special Weather Statement	OUN	Murray	29 min
May 27, 2:46 PM CDT	Areal Flood Advisory	OUN	Garvin, Murray	3 hr
May 27, 2:47 PM CDT	Special Weather Statement	OUN	Lincoln	28 min
May 27, 2:59 PM CDT	Special Weather Statement	OUN	Johnston, Murray	31 min
May 27, 3:14 PM CDT	Special Weather Statement	OUN	Lincoln	31 min
May 27, 3:21 PM CDT	Special Weather Statement	OUN	Comanche	24 min
May 27, 3:26 PM CDT	Special Weather Statement	OUN	Murray	34 min
May 27, 3:29 PM CDT	Special Weather Statement	OUN	Coal, Pontotoc	31 min
May 27, 3:31 PM CDT	Special Weather Statement	OUN	Johnston	29 min
May 27, 3:48 PM CDT	Special Weather Statement	OUN	Lincoln	27 min
May 27, 3:54 PM CDT	Special Weather Statement	OUN	Coal, Pontotoc	36 min
May 27, 3:59 PM CDT	Special Weather Statement	OUN	Johnston	31 min
May 27, 4:21 PM CDT	Special Weather Statement	OUN	Oklahoma	54 min
May 27, 4:30 PM CDT	Special Weather Statement	OUN	Atoka, Coal	30 min
May 27, 4:36 PM CDT	Special Weather Statement	OUN	Bryan	24 min
May 27, 4:57 PM CDT	Special Weather Statement	OUN	Marshall	33 min
May 27, 4:58 PM CDT	Special Weather Statement	OUN	Hughes	32 min
May 27, 5:30 PM CDT	Special Weather Statement	OUN	Bryan	60 min
May 27, 6:21 PM CDT	Special Weather Statement	OUN	Bryan	24 min
May 26, 7:20 PM CDT	Special Weather Statement	OUN	Foard	25 min
May 26, 7:46 PM CDT	Special Weather Statement	OUN	Foard, Wilbarger	29 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2014 Severe Thunderstorm Warnings in Texas, 2014 Every severe thunderstorm warning in 2014

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.