Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 210

February 22, 200512 counties in Oklahoma; Hardeman County, Texas

The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2005, 9:23 PM CST for 12 counties in Oklahoma; Hardeman County, Texas. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued: Feb 22, 2005, 9:23 PM CST (03:23 UTC)
Expired: Feb 22, 2005, 10:30 PM CST
In force: 67 min
Issued by: the Storm Prediction Center

Counties Caddo County, OK, Carter County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Grady County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Hardeman County, TX

The radar

The Altus AFB radar (KFDR), 51 km from the middle of the area, began a volume at 03:25 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.4 hours before the alert went out and 129 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: 1242 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 22, 9:45 PM CST	Severe Thunderstorm Watch	SPC	Atoka, Caddo, Carter, Cleveland, Coal, Comanche and 15 more	5 hr
Feb 22, 10:52 PM CST	Mesoscale Discussion	SPC	Atoka, Bryan, Canadian, Carter, Choctaw, Cleveland and 25 more	53 min
Feb 22, 11:30 PM CST	Severe Thunderstorm Watch	SPC	Adair, Atoka, Blaine, Bryan, Caddo, Canadian and 37 more	8 hr
Feb 23, 1:41 AM CST	Mesoscale Discussion	SPC	Adair, Atoka, Blaine, Bryan, Caddo, Canadian and 35 more	2 hr
Feb 22, 7:45 PM CST	Mesoscale Discussion	SPC	Archer, Baylor, Brown, Callahan, Coke, Coleman and 20 more	60 min
Feb 23, 7:50 AM CST	Mesoscale Discussion	SPC	Angelina, Brazos, Burleson, Grimes, Hardin, Harris and 18 more	115 min
Feb 23, 10:35 AM CST	Mesoscale Discussion	SPC	Angelina, Hardin, Jasper, Liberty, Montgomery, Newton and 7 more	115 min
Feb 23, 1:19 PM CST	Mesoscale Discussion	SPC	Brown, Concho, Crockett, Irion, Kimble, Lampasas and 10 more	116 min
Feb 23, 2:00 PM CST	Mesoscale Discussion	SPC	Brazoria, Calhoun, Chambers, Fort Bend, Harris, Jackson and 5 more	2 hr
Feb 23, 2:10 PM CST	Severe Thunderstorm Watch	SPC	Bandera, Blanco, Burnet, Comal, Concho, Coryell and 20 more	7 hr

Nearby

Mesoscale Discussions in Oklahoma, 2005 Mesoscale Discussions in Texas, 2005 Every mesoscale discussion in 2005

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.