Alert archive / Texas / Tornado Watches in 2000
Tornado Watch 224
The Storm Prediction Center issued this tornado watch at Apr 30, 2000, 2:15 PM CDT for 4 counties in Oklahoma; 19 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2000, 2:15 PM CDT (19:15 UTC)
- Expired
- Apr 30, 2000, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Comanche County, OK, Cotton County, OK, Jackson County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Childress County, TX, Clay County, TX, Cottle County, TX, Dickens County, TX, Foard County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Kent County, TX, King County, TX, Knox County, TX, Motley County, TX, Stonewall County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
Warnings issued inside it
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 2:15 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 30 min |
| Apr 30, 2:25 PM CDT | Severe Thunderstorm Warning | LUB | King | 35 min |
| Apr 30, 2:36 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 54 min |
| Apr 30, 2:57 PM CDT | Severe Thunderstorm Warning | LUB | King | 48 min |
| Apr 30, 3:07 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Knox | 53 min |
| Apr 30, 3:12 PM CDT | Tornado Warning | LUB | Cottle, King | 28 min |
| Apr 30, 3:20 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman | 40 min |
| Apr 30, 3:28 PM CDT | Tornado Warning | OUN | Foard | 32 min |
| Apr 30, 3:40 PM CDT | Severe Thunderstorm Warning | LUB | Cottle | 35 min |
| Apr 30, 3:51 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 54 min |
| Apr 30, 3:58 PM CDT | Tornado Warning | OUN | Foard | 32 min |
| Apr 30, 4:01 PM CDT | Severe Thunderstorm Warning | OUN | Hardeman | 59 min |
| Apr 30, 4:22 PM CDT | Tornado Warning | SJT | Throckmorton | 38 min |
| Apr 30, 4:25 PM CDT | Severe Thunderstorm Warning | OUN | Jackson | 65 min |
| Apr 30, 4:30 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 45 min |
| Apr 30, 4:36 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 54 min |
| Apr 30, 4:56 PM CDT | Tornado Warning | SJT | Throckmorton | 64 min |
| Apr 30, 4:58 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Wilbarger | 47 min |
| Apr 30, 5:15 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 15 min |
| Apr 30, 5:16 PM CDT | Tornado Warning | FWD | Young | 44 min |
| Apr 30, 5:36 PM CDT | Severe Thunderstorm Warning | OUN | Archer | 54 min |
| Apr 30, 5:45 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 45 min |
| Apr 30, 5:52 PM CDT | Tornado Warning | FWD | Young | 38 min |
| Apr 30, 5:57 PM CDT | Tornado Warning | SJT | Throckmorton | 48 min |
| Apr 30, 6:05 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 40 min |
| Apr 30, 6:21 PM CDT | Tornado Warning | OUN | Archer | 39 min |
| Apr 30, 6:27 PM CDT | Tornado Warning | FWD | Young | 48 min |
| Apr 30, 6:29 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 46 min |
| Apr 30, 6:29 PM CDT | Severe Thunderstorm Warning | OUN | Wichita | 61 min |
| Apr 30, 6:43 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 32 min |
| Apr 30, 6:45 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 30 min |
| Apr 30, 6:55 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 65 min |
| Apr 30, 7:15 PM CDT | Tornado Warning | FWD | Young | 30 min |
| Apr 30, 7:26 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 34 min |
| Apr 30, 7:35 PM CDT | Flash Flood Warning | FWD | Jack, Young | 3 hr |
| Apr 30, 7:46 PM CDT | Severe Thunderstorm Warning | FWD | Young | 44 min |
| Apr 30, 8:00 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 30 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 7.3 hours before the alert went out and 241 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
- 1736 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
045 WWUS9 KMKC 301835 SEL4 SEL4 MKC WW 301835 OKZ000-TXZ000-010100- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 224 STORM PREDICTION CENTER NORMAN OK 135 PM CDT SUN APR 30 2000 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHWEST OKLAHOMA NORTHWEST TEXAS EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 800 PM CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST OF A LINE FROM 95 MILES SOUTHWEST OF WICHITA FALLS TEXAS TO 10 MILES WEST NORTHWEST OF ALTUS OKLAHOMA. 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 223... DISCUSSION...THUNDERSTORMS ARE BEGINNING TO DEVELOP NEAR DRYLINE/OUTFLOW BOUNDARY INTERSECTION. STRONG INSTABILITY AND MODERATE VERTICAL SHEAR WILL SUPPORT SUPERCELLS. TORNADO THREAT SHOULD BE MOSTLY CONFINED TO THOSE STORMS INTERACTING WITH OUTFLOW BOUNDARY...WHERE LOW LEVEL SHEAR IS GREATEST. OTHERWISE...VERY LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 23035. ...VESCIO 344,0980 325,0981 325,1010 344,1005
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Carter, Cotton, Jefferson, Love, Murray, Stephens and 1 more | 6 hr |
| Apr 30, 12:30 AM CDT | Tornado Watch | SPC | Beaver, Cimarron, Texas | 6 hr |
| Apr 30, 6:00 AM CDT | Severe Thunderstorm Watch | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Harper and 2 more | 5 hr |
| Apr 30, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Custer and 21 more | 6 hr |
| Apr 30, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Foard, Haskell, Jack and 11 more | 5 hr |
| Apr 30, 4:15 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Collin, Dallas, Denton, Ellis, Henderson and 9 more | 5 hr |
| Apr 30, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Callahan, Coleman, Comanche, Concho, Eastland and 10 more | 6 hr |
Nearby
Tornado Watches in Texas, 2000Tornado Watches in Oklahoma, 2000Every tornado watch in 2000
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.