Alert archive / Texas / Tornado Watches in 2000
Tornado Watch 216
The Storm Prediction Center issued this tornado watch at Apr 29, 2000, 6:30 PM CDT for 40 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 29, 2000, 6:30 PM CDT (23:30 UTC)
- Expired
- Apr 30, 2000, 1:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Andrews County, TX, Borden County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Howard County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Tom Green County, TX
The radar
The Midland/Odessa radar (KMAF), 94 km from the middle of the area, began a volume at 23:34 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
27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 6:34 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 41 min |
| Apr 29, 6:55 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 65 min |
| Apr 29, 7:01 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 44 min |
| Apr 29, 7:16 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Scurry | 59 min |
| Apr 29, 7:30 PM CDT | Severe Thunderstorm Warning | LUB | Kent | 60 min |
| Apr 29, 7:38 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Garza | 52 min |
| Apr 29, 7:43 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 47 min |
| Apr 29, 7:45 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 45 min |
| Apr 29, 8:11 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 49 min |
| Apr 29, 8:14 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 46 min |
| Apr 29, 8:30 PM CDT | Severe Thunderstorm Warning | LUB | Kent | 45 min |
| Apr 29, 8:36 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 24 min |
| Apr 29, 8:39 PM CDT | Severe Thunderstorm Warning | LUB | Crosby | 51 min |
| Apr 29, 8:58 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 62 min |
| Apr 29, 9:04 PM CDT | Flash Flood Warning | LUB | Kent | 116 min |
| Apr 29, 9:10 PM CDT | Severe Thunderstorm Warning | LUB | Kent | 50 min |
| Apr 29, 9:28 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 62 min |
| Apr 29, 9:32 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 43 min |
| Apr 29, 9:36 PM CDT | Severe Thunderstorm Warning | LUB | Crosby | 39 min |
| Apr 29, 9:50 PM CDT | Flash Flood Warning | OUN | Foard, Knox | 3 hr |
| Apr 29, 10:07 PM CDT | Severe Thunderstorm Warning | LUB | Kent | 53 min |
| Apr 29, 10:11 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 49 min |
| Apr 29, 10:21 PM CDT | Tornado Warning | LUB | Dickens | 24 min |
| Apr 29, 10:31 PM CDT | Tornado Warning | LUB | Kent, Stonewall | 59 min |
| Apr 29, 10:56 PM CDT | Tornado Warning | LUB | Dickens | 64 min |
| Apr 29, 11:30 PM CDT | Tornado Warning | LUB | Stonewall | 60 min |
| Apr 29, 11:44 PM CDT | Flash Flood Warning | LUB | Stonewall | 3 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.5 hours before the alert went out and 94 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
- 7 J/kg
- Mixed-layer CIN
- -488 J/kg
- Mixed-layer LCL
- 1786 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
972 WWUS9 KMKC 292317 SEL6 MKC WW 292317 TXZ000-300600- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 216 STORM PREDICTION CENTER NORMAN OK 617 PM CDT SAT APR 29 2000 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF WESTERN TEXAS EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 630 PM UNTIL 100 AM CDT. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES WEST OF SAN ANGELO TEXAS TO 40 MILES NORTHEAST OF PLAINVIEW 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 214...WW 215... DISCUSSION...THUNDERSTORMS WILL INCREASE ALONG DRY LINE AND OUTFLOW BOUNDARIES AS STRONG UPPER TROUGH APPROACHES. AIR MASS VERY UNSTABLE WITH MUCAPES FROM 3000 TO 4000 J/KG ALONG WITH STEEP MID LEVEL LAPSE RATES. DESPITE WEAKNESS IN MID LEVEL FLOW...INCREASING LOW LEVEL JET WILL PROVIDE ADEQUATE SHEAR FOR A FEW TORNADIC SUPERCELLS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...ROGASH 343,0994 312,0995 312,1025 343,1024
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Brewster, Coke, Crane, Crockett and 25 more | 6 hr |
Nearby
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.