Alert archive / Texas / Tornado Watches in 2003
Tornado Watch 94
The Storm Prediction Center issued this tornado watch at Apr 5, 2003, 6:40 PM CST for Jackson County, Oklahoma; 22 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 2003, 6:40 PM CST (00:40 UTC)
- Expired
- Apr 6, 2003, 12:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Jackson County, OK, Briscoe County, TX, Childress County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Motley County, TX, Scurry County, TX, Shackelford County, TX, Stonewall County, TX, Throckmorton County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 124 km from the middle of the area, began a volume at 00:39 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 7:05 PM CST | Severe Thunderstorm Warning | OUN | Baylor, Wilbarger | 40 min |
| Apr 5, 7:40 PM CST | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 50 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, 0.7 hours before the alert went out and 215 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
- 1777 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 373 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 060038 SEL4 SPC WW 060040 TXZ000-060600- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 94 STORM PREDICTION CENTER NORMAN OK 640 PM CST SAT APR 5 2003 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHWEST TEXAS EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 640 PM UNTIL MIDNIGHT CST. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF CHILDRESS TEXAS TO 35 MILES WEST OF ABILENE TEXAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 92...WW 93... DISCUSSION...CONDITIONS REMAIN VERY FAVORABLE FOR ADDITIONAL DEVELOPMENT OF TORNADIC SUPERCELLS OVER NWRN TX THRU THE EVENING. SELY MOIST UNSTABLE FLOW COUPLED WITH STRONG VEERING SHEAR PROFILES SUPPORT SEVERE THUNDERSTORMS DEVELOPING IN LOW LEVEL CONVERGENCE BETWEEN CDS AND ABI. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26035. ...HALES 344,0991 322,0991 322,1012 344,1013
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 6:35 PM CST | Mesoscale Discussion | SPC | Love | 115 min |
| Apr 5, 6:55 PM CST | Mesoscale Discussion | SPC | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 14 more | 95 min |
| Apr 5, 7:10 PM CST | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Carter, Cleveland and 25 more | 5 hr |
| Apr 5, 8:04 PM CST | Mesoscale Discussion | SPC | Love | 116 min |
| Apr 5, 9:35 PM CST | Tornado Watch | SPC | Love | 5 hr |
| Apr 5, 11:10 PM CST | Mesoscale Discussion | SPC | Adair, Alfalfa, Atoka, Beckham, Blaine, Bryan and 54 more | 65 min |
| Apr 5, 11:35 PM CST | Severe Thunderstorm Watch | SPC | Atoka, Beckham, Blaine, Caddo, Canadian, Carter and 51 more | 5 hr |
| Apr 6, 5:09 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Atoka, Beckham, Blaine, Caddo, Canadian and 47 more | 96 min |
| Apr 6, 5:35 AM CDT | Severe Thunderstorm Watch | SPC | Atoka, Bryan, Caddo, Canadian, Carter, Cherokee and 46 more | 4 hr |
| Apr 6, 7:45 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Canadian, Carter, Cherokee, Choctaw and 44 more | 2 hr |
| Apr 6, 9:45 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 26 more | 5 hr |
| Apr 6, 12:27 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Cherokee, Choctaw, Coal, Haskell and 17 more | 2 hr |
| Apr 6, 2:18 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Choctaw, Haskell, Latimer and 5 more | 57 min |
| Apr 6, 2:55 PM CDT | Severe Thunderstorm Watch | SPC | Choctaw, LeFlore, McCurtain, Pushmataha, Sequoyah | 5 hr |
| Apr 5, 6:11 PM CST | Mesoscale Discussion | SPC | Baylor, Briscoe, Cottle, Crosby, Dickens, Floyd and 9 more | 64 min |
| Apr 5, 9:20 PM CST | Mesoscale Discussion | SPC | Archer, Camp, Clay, Collin, Cooke, Dallas and 31 more | 55 min |
| Apr 5, 10:26 PM CST | Mesoscale Discussion | SPC | Baylor, Childress, Cottle, Dickens, Fisher, Foard and 11 more | 64 min |
| Apr 5, 11:43 PM CST | Mesoscale Discussion | SPC | Archer, Camp, Clay, Collin, Cooke, Dallas and 31 more | 92 min |
| Apr 6, 3:13 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Camp, Cass, Cherokee, Clay and 39 more | 107 min |
| Apr 6, 3:39 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Camp, Cass, Cherokee, Clay and 39 more | 66 min |
| Apr 6, 4:50 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Callahan, Coke, Coleman and 27 more | 115 min |
| Apr 6, 9:12 AM CDT | Mesoscale Discussion | SPC | Anderson, Bosque, Camp, Cass, Cherokee, Collin and 41 more | 2 hr |
| Apr 6, 10:20 AM CDT | Mesoscale Discussion | SPC | Bowie, Cass, Harrison, Marion, Morris, Panola | 55 min |
| Apr 6, 10:30 AM CDT | Tornado Watch | SPC | Bowie, Camp, Cass, Cherokee, Franklin, Gregg and 14 more | 6 hr |
| Apr 6, 12:03 PM CDT | Mesoscale Discussion | SPC | Gregg, Harrison, Marion, Panola, Rusk | 117 min |
| Apr 6, 12:40 PM CDT | Tornado Watch | SPC | Anderson, Brazos, Burleson, Cherokee, Collin, Cooke and 33 more | 5 hr |
| Apr 6, 3:00 PM CDT | Mesoscale Discussion | SPC | Anderson, Brazos, Cherokee, Delta, Freestone, Grimes and 21 more | 90 min |
| Apr 6, 3:26 PM CDT | Mesoscale Discussion | SPC | Angelina, Nacogdoches, Sabine, San Augustine, Shelby | 2 hr |
| Apr 6, 3:45 PM CDT | Tornado Watch | SPC | Angelina, Gregg, Hardin, Harrison, Jasper, Liberty and 9 more | 5 hr |
| Apr 6, 5:35 PM CDT | Mesoscale Discussion | SPC | Angelina, Gregg, Hardin, Harrison, Jasper, Liberty and 10 more | 115 min |
| Apr 6, 6:23 PM CDT | Mesoscale Discussion | SPC | Newton, Sabine | 97 min |
Nearby
Tornado Watches in Texas, 2003Tornado Watches in Oklahoma, 2003Every tornado 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.