Alert archive / Texas / Tornado Watches in 2000
Tornado Watch 219
The Storm Prediction Center issued this tornado watch at Apr 30, 2000, 12:30 AM CDT for Beaver County, Cimarron County, Texas County, Oklahoma; 44 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2000, 12:30 AM CDT (05:30 UTC)
- Expired
- Apr 30, 2000, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 47 counties
Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dallam County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX, Yoakum County, TX
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 2:36 AM CDT | Severe Thunderstorm Warning | LUB | Lubbock | 39 min |
| Apr 30, 2:51 AM CDT | Severe Thunderstorm Warning | AMA | Gray | 54 min |
| Apr 30, 3:16 AM CDT | Severe Thunderstorm Warning | AMA | Roberts | 59 min |
| Apr 30, 3:39 AM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 66 min |
| Apr 30, 3:41 AM CDT | Severe Thunderstorm Warning | AMA | Gray | 34 min |
| Apr 30, 4:15 AM CDT | Severe Thunderstorm Warning | AMA | Gray, Roberts | 60 min |
| Apr 30, 4:39 AM CDT | Severe Thunderstorm Warning | LUB | Childress | 51 min |
| Apr 30, 4:46 AM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 59 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 5.5 hours before the alert went out and 48 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
- 2063 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1561 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 440 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 20.0
The text
As transmitted, in the capitals the NWS used until 2016.
326
WWUS9 KMKC 300504
SEL9
SEL9
MKC WW 300504
OKZ000-TXZ000-301100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 219
STORM PREDICTION CENTER NORMAN OK
1204 AM CDT SUN APR 30 2000
THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
THE PANHANDLE OF OKLAHOMA
THE TEXAS PANHANDLE AND NORTHWESTERN TEXAS
EFFECTIVE THIS SUNDAY MORNING FROM 1230 AM UNTIL 600 AM CDT.
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 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 85 MILES NORTHEAST OF DALHART TEXAS TO 55 MILES
SOUTH SOUTHEAST OF LUBBOCK 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...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 216. WATCH NUMBER 216 WILL NOT BE IN EFFECT AFTER 30 AM
CDT. CONTINUE...WW 217...WW 218...
DISCUSSION...THUNDERSTORMS WILL INCREASE AHEAD OF SURFACE FRONT AND
UPPER TROUGH AS THEY APPROACH MODERATELY UNSTABLE AIR MASS. STRONG
WIND SHEAR PRESENT WITH HELICITIES EXCEEDING 500 M2/SEC2 INDICATING
POTENTIAL FOR TORNADIC SUPERCELLS.
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 24035.
...ROGASH
365,1000 325,1000 325,1025 365,1025SPC 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, 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, 2:15 PM CDT | Tornado Watch | SPC | Comanche, Cotton, Jackson, Tillman | 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.