Alert archive / Texas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 20

March 4, 200412 counties in Oklahoma; 36 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 4, 2004, 6:55 AM CST for 12 counties in Oklahoma; 36 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 4, 2004, 6:55 AM CST (12:55 UTC)
Expired
Mar 4, 2004, 1:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 48 counties

Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woodward County, OK, Armstrong County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Kent County, TX, King County, TX, Knox County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Motley County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Scurry County, TX, Stonewall County, TX, Swisher County, TX, Wheeler County, TX, Wilbarger County, TX

The radar

The Amarillo radar (KAMA), 109 km from the middle of the area, began a volume at 12:57 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

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

IssuedProductOfficeCountiesLasted
Mar 4, 7:24 AM CSTSevere Thunderstorm WarningMAFMartin36 min
Mar 4, 7:32 AM CSTSevere Thunderstorm WarningLUBKing, Stonewall58 min
Mar 4, 7:33 AM CSTSevere Thunderstorm WarningMAFMitchell, Scurry57 min
Mar 4, 8:23 AM CSTSevere Thunderstorm WarningMAFHoward, Martin52 min
Mar 4, 8:40 AM CSTSevere Thunderstorm WarningLUBCottle35 min
Mar 4, 9:12 AM CSTSevere Thunderstorm WarningMAFBorden48 min
Mar 4, 9:41 AM CSTSevere Thunderstorm WarningMAFBorden19 min
Mar 4, 10:19 AM CSTFlash Flood WarningOUNHarmon, Jackson3 hr
Mar 4, 10:38 AM CSTFlash Flood WarningMAFScurry3 hr
Mar 4, 10:41 AM CSTSevere Thunderstorm WarningMAFScurry49 min
Mar 4, 11:22 AM CSTSevere Thunderstorm WarningLUBStonewall23 min
Mar 4, 11:49 AM CSTTornado WarningSJTHaskell41 min
Mar 4, 11:59 AM CSTSevere Thunderstorm WarningOUNBaylor, Knox46 min
Mar 4, 12:28 PM CSTTornado WarningOUNBaylor47 min
Mar 4, 12:48 PM CSTTornado WarningOUNWilbarger27 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

Fort Sill, OK (KFSI), launched 12:00Z, 0.9 hours before the alert went out and 219 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, Fort Sill, OK at 12:00Z on 2004-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Sill, OK at 12:00Z on 2004-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 km3 km6 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
538 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
27 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
Mar 4, 1:56 AM CSTMesoscale DiscussionSPCBeckham, Caddo, Canadian, Carter, Cleveland, Comanche and 15 more94 min
Mar 4, 2:00 AM CSTSevere Thunderstorm WatchSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 23 more5 hr
Mar 4, 2:44 AM CSTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 36 more3 hr
Mar 4, 5:01 AM CSTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 24 more119 min
Mar 4, 7:20 AM CSTSevere Thunderstorm WatchSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche and 23 more6 hr
Mar 4, 7:55 AM CSTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Canadian, Custer, Dewey and 17 more3 hr
Mar 4, 9:28 AM CSTMesoscale DiscussionSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 33 more62 min
Mar 4, 9:45 AM CSTTornado WatchSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 8 more5 hr
Mar 4, 11:52 AM CSTMesoscale DiscussionSPCCarter, Cleveland, Comanche, Cotton, Garvin, Grady and 7 more53 min
Mar 4, 1:02 PM CSTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 6 more88 min
Mar 4, 1:25 PM CSTMesoscale DiscussionSPCAdair, Atoka, Bryan, Cherokee, Choctaw, Coal and 29 more65 min
Mar 4, 2:02 PM CSTMesoscale DiscussionSPCCanadian, Carter, Cleveland, Comanche, Creek, Garvin and 12 more88 min
Mar 4, 2:05 PM CSTTornado WatchSPCAdair, Atoka, Bryan, Carter, Cherokee, Coal and 33 more6 hr
Mar 4, 2:18 PM CSTMesoscale DiscussionSPCChoctaw, McCurtain57 min
Mar 4, 3:00 PM CSTTornado WatchSPCChoctaw, McCurtain6 hr
Mar 4, 4:41 PM CSTMesoscale DiscussionSPCMcCurtain2 hr
Mar 3, 7:03 PM CSTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Crockett, Dawson and 25 more117 min
Mar 3, 8:40 PM CSTSevere Thunderstorm WatchSPCAndrews, Borden, Cottle, Crane, Crosby, Dawson and 20 more5 hr
Mar 3, 11:44 PM CSTMesoscale DiscussionSPCAndrews, Borden, Crane, Crosby, Dawson, Dickens and 16 more2 hr
Mar 4, 4:25 AM CSTTornado WatchSPCCallahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more6 hr
Mar 4, 5:32 AM CSTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Fisher and 23 more118 min
Mar 4, 8:43 AM CSTMesoscale DiscussionSPCArcher, Baylor, Callahan, Coke, Coleman, Concho and 26 more62 min
Mar 4, 10:46 AM CSTMesoscale DiscussionSPCAtascosa, Bandera, Bell, Bexar, Blanco, Bosque and 27 more89 min
Mar 4, 11:50 AM CSTTornado WatchSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 42 more5 hr
Mar 4, 11:52 AM CSTMesoscale DiscussionSPCAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 15 more113 min
Mar 4, 1:42 PM CSTMesoscale DiscussionSPCBell, Blanco, Bosque, Burnet, Collin, Coryell and 17 more63 min

Nearby

Severe Thunderstorm Watches in Texas, 2004Severe Thunderstorm Watches in Oklahoma, 2004Every severe thunderstorm watch in 2004

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.