Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 128
The Storm Prediction Center issued this severe thunderstorm watch at Apr 18, 2003, 9:50 PM CDT for 19 counties in Oklahoma; 35 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 18, 2003, 9:50 PM CDT (02:50 UTC)
- Expired
- Apr 19, 2003, 4:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Beckham County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Lincoln County, OK, McClain County, OK, Oklahoma County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Baylor County, TX, Borden County, TX, Callahan County, TX, Childress County, TX, Clay County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lynn County, TX, Martin County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Scurry County, TX, Shackelford County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
The radar
The Lubbock radar (KLBB), 145 km from the middle of the area, began a volume at 02:54 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
43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 10:27 PM CDT | Severe Thunderstorm Warning | MAF | Dawson, Gaines | 33 min |
| Apr 18, 10:54 PM CDT | Severe Thunderstorm Warning | LUB | Crosby | 66 min |
| Apr 18, 11:16 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 44 min |
| Apr 18, 11:24 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 51 min |
| Apr 18, 11:44 PM CDT | Severe Thunderstorm Warning | LUB | Childress | 61 min |
| Apr 18, 11:50 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 25 min |
| Apr 19, 12:00 AM CDT | Severe Thunderstorm Warning | LUB | Crosby | 45 min |
| Apr 19, 12:03 AM CDT | Severe Thunderstorm Warning | LUB | Lynn | 57 min |
| Apr 19, 12:06 AM CDT | Severe Thunderstorm Warning | AMA | Collingsworth | 54 min |
| Apr 19, 12:11 AM CDT | Severe Thunderstorm Warning | LUB | Dickens | 64 min |
| Apr 19, 12:23 AM CDT | Severe Thunderstorm Warning | OUN | Harmon | 22 min |
| Apr 19, 12:39 AM CDT | Severe Thunderstorm Warning | LUB | Motley | 36 min |
| Apr 19, 12:44 AM CDT | Severe Thunderstorm Warning | LUB | King | 31 min |
| Apr 19, 12:45 AM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 45 min |
| Apr 19, 12:46 AM CDT | Severe Thunderstorm Warning | LUB | Crosby | 44 min |
| Apr 19, 12:50 AM CDT | Tornado Warning | LUB | King | 25 min |
| Apr 19, 12:53 AM CDT | Tornado Warning | LUB | Cottle | 37 min |
| Apr 19, 1:17 AM CDT | Tornado Warning | LUB | Crosby | 28 min |
| Apr 19, 1:19 AM CDT | Tornado Warning | LUB | Dickens | 41 min |
| Apr 19, 1:19 AM CDT | Tornado Warning | OUN | Foard, Hardeman | 26 min |
| Apr 19, 1:25 AM CDT | Tornado Warning | LUB | Motley | 50 min |
| Apr 19, 1:31 AM CDT | Severe Thunderstorm Warning | LUB | Cottle | 14 min |
| Apr 19, 1:34 AM CDT | Severe Thunderstorm Warning | OUN | Custer | 26 min |
| Apr 19, 1:45 AM CDT | Tornado Warning | OUN | Hardeman, Wilbarger | 45 min |
| Apr 19, 1:49 AM CDT | Severe Thunderstorm Warning | OUN | Jackson | 41 min |
| Apr 19, 1:55 AM CDT | Tornado Warning | LUB | Cottle | 65 min |
| Apr 19, 2:07 AM CDT | Tornado Warning | OUN | Tillman | 38 min |
| Apr 19, 2:07 AM CDT | Severe Thunderstorm Warning | LUB | Garza | 38 min |
| Apr 19, 2:28 AM CDT | Severe Thunderstorm Warning | LUB | Childress | 32 min |
| Apr 19, 2:31 AM CDT | Severe Thunderstorm Warning | LUB | Crosby | 29 min |
| Apr 19, 2:37 AM CDT | Severe Thunderstorm Warning | LUB | Dickens | 53 min |
| Apr 19, 2:39 AM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman | 51 min |
| Apr 19, 2:41 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 49 min |
| Apr 19, 2:45 AM CDT | Severe Thunderstorm Warning | LUB | Garza | 60 min |
| Apr 19, 2:47 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Washita | 43 min |
| Apr 19, 3:01 AM CDT | Severe Thunderstorm Warning | OUN | Jackson | 44 min |
| Apr 19, 3:08 AM CDT | Severe Thunderstorm Warning | LUB | Motley | 22 min |
| Apr 19, 3:14 AM CDT | Severe Thunderstorm Warning | LUB | Cottle, King | 46 min |
| Apr 19, 3:29 AM CDT | Severe Thunderstorm Warning | OUN | Canadian | 46 min |
| Apr 19, 3:43 AM CDT | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Tillman | 47 min |
| Apr 19, 3:45 AM CDT | Severe Thunderstorm Warning | LUB | Kent | 45 min |
| Apr 19, 3:49 AM CDT | Severe Thunderstorm Warning | OUN | Grady | 41 min |
| Apr 19, 3:56 AM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman | 49 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.8 hours before the alert went out and 225 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3956 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 8:31 PM CDT | Mesoscale Discussion | SPC | Caddo, Cleveland, Comanche, Cotton, Grady, Greer and 8 more | 2 hr |
| Apr 18, 11:32 PM CDT | Mesoscale Discussion | SPC | Beckham, Caddo, Canadian, Cleveland, Comanche, Cotton and 10 more | 118 min |
| Apr 19, 12:58 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Custer, Dewey, Ellis, Garfield and 6 more | 2 hr |
| Apr 19, 1:20 AM CDT | Tornado Watch | SPC | Comanche, Cotton, Greer, Harmon, Jackson, Kiowa and 2 more | 7 hr |
| Apr 19, 1:25 AM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 18 more | 7 hr |
| Apr 19, 3:18 AM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 30 more | 117 min |
| Apr 19, 4:11 AM CDT | Mesoscale Discussion | SPC | Comanche, Cotton, Jackson, Kiowa, Stephens, Tillman | 2 hr |
| Apr 19, 4:52 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 14 more | 113 min |
| Apr 19, 9:01 AM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 19 more | 3 hr |
| Apr 19, 1:10 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Cleveland, Creek, Dewey and 18 more | 2 hr |
| Apr 19, 1:15 PM CDT | Tornado Watch | SPC | Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 14 more | 7 hr |
| Apr 19, 2:02 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Cleveland, Coal, Creek and 25 more | 88 min |
| Apr 19, 2:30 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Cherokee, Choctaw, Coal, Craig and 32 more | 7 hr |
| Apr 19, 3:15 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Cleveland, Coal, Creek and 25 more | 2 hr |
| Apr 19, 5:50 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Garfield, Grant, Kay, Kingfisher, Noble | 85 min |
| Apr 19, 6:07 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Cherokee, Choctaw, Coal, Craig and 27 more | 83 min |
| Apr 18, 9:21 PM CDT | Mesoscale Discussion | SPC | Bandera, Bexar, Blanco, Comal, Dimmit, Edwards and 12 more | 54 min |
Nearby
Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Every severe thunderstorm watch in 2003
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.