Alert archive / Oklahoma / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 33

February 22, 200521 counties in Oklahoma; Hardeman County, Texas

The Storm Prediction Center issued this severe thunderstorm watch at Feb 22, 2005, 9:45 PM CST for 21 counties in Oklahoma; Hardeman County, Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Feb 22, 2005, 9:45 PM CST (03:45 UTC)
Expired
Feb 23, 2005, 3:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 22 counties

Atoka County, OK, Caddo County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Hughes County, OK, Jackson County, OK, Johnston County, OK, Kiowa County, OK, McClain County, OK, Murray County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Hardeman County, TX

The radar

The Altus AFB radar (KFDR), 78 km from the middle of the area, began a volume at 03:45 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.

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 22, 10:29 PM CSTSevere Thunderstorm WarningOUNKiowa31 min
Feb 22, 10:42 PM CSTSevere Thunderstorm WarningOUNCotton48 min
Feb 22, 10:44 PM CSTSevere Thunderstorm WarningOUNAtoka31 min
Feb 22, 10:56 PM CSTSevere Thunderstorm WarningOUNCaddo, Washita49 min
Feb 22, 10:59 PM CSTSevere Thunderstorm WarningOUNKiowa46 min
Feb 22, 11:04 PM CSTSevere Thunderstorm WarningOUNStephens26 min
Feb 22, 11:46 PM CSTSevere Thunderstorm WarningOUNCleveland, McClain44 min
Feb 22, 11:51 PM CSTSevere Thunderstorm WarningOUNCaddo, Canadian, Grady39 min
Feb 22, 11:55 PM CSTSevere Thunderstorm WarningOUNJackson50 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.8 hours before the alert went out and 99 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2005-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2005-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 22, 9:23 PM CSTMesoscale DiscussionSPCCaddo, Carter, Comanche, Cotton, Custer, Grady and 6 more67 min
Feb 22, 10:52 PM CSTMesoscale DiscussionSPCAtoka, Bryan, Canadian, Carter, Choctaw, Cleveland and 25 more53 min
Feb 22, 11:30 PM CSTSevere Thunderstorm WatchSPCAdair, Atoka, Blaine, Bryan, Caddo, Canadian and 37 more8 hr
Feb 23, 1:41 AM CSTMesoscale DiscussionSPCAdair, Atoka, Blaine, Bryan, Caddo, Canadian and 35 more2 hr
Feb 22, 7:45 PM CSTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Coke, Coleman and 20 more60 min
Feb 23, 7:50 AM CSTMesoscale DiscussionSPCAngelina, Brazos, Burleson, Grimes, Hardin, Harris and 18 more115 min
Feb 23, 10:35 AM CSTMesoscale DiscussionSPCAngelina, Hardin, Jasper, Liberty, Montgomery, Newton and 7 more115 min
Feb 23, 1:19 PM CSTMesoscale DiscussionSPCBrown, Concho, Crockett, Irion, Kimble, Lampasas and 10 more116 min
Feb 23, 2:00 PM CSTMesoscale DiscussionSPCBrazoria, Calhoun, Chambers, Fort Bend, Harris, Jackson and 5 more2 hr
Feb 23, 2:10 PM CSTSevere Thunderstorm WatchSPCBandera, Blanco, Burnet, Comal, Concho, Coryell and 20 more7 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2005Severe Thunderstorm Watches in Texas, 2005Every severe thunderstorm watch 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.