Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 22, NWS Norman, OK

April 30, 2000Foard County, Texas

NWS Norman, OK issued this tornado warning at Apr 30, 2000, 3:58 PM CDT for Foard County, Texas. It was in force for 32 min. 5 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Apr 30, 2000, 3:58 PM CDT (20:58 UTC)
Expired: Apr 30, 2000, 4:30 PM CDT
In force: 32 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Foard County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 30, 4:00 PM CDT	Thunderstorm Wind	Crowell, TX	Powerlines were downed.
Apr 30, 4:01 PM CDT	Tornado F0	Crowell, TX	This tornado was closely intersected by a Doppler-On-Wheels chase team 6 miles west of Crowell. No structures or trees were present to be affected by strong winds, and thus it was rated F0.
Apr 30, 4:20 PM CDT	Tornado F0	Crowell, TX	This tornado was also closely intersected by a Doppler-On-Wheels chase team and was later confirmed by another chase team associated with the MOCISE project. The tornado developed 2 miles southwest of Crowell just south of Highway 70 and tracked northward befo
Apr 30, 4:22 PM CDT	Hail 1	Crowell, TX
Apr 30, 4:27 PM CDT	Tornado F0	Crowell, TX	This tornado was indentified by a Doppler-On-Wheels chase team 2 miles east of Crowell while another tornado dissipated. Small debris consisting of small tree limbs and leaves, was observed moving rapidly northward across a Doppler-On-Wheels chase vehicle, and

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 30, 2:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.0 hours before the alert went out and 217 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KOUN 302059
TOROKC
TXC155-302130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
358 PM CDT SUN APR 30 2000

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  FOARD COUNTY IN NORTHERN TEXAS

* UNTIL 430 PM CDT

* AT 355 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
  WHICH HAS A HISTORY OF PRODUCING A TORNADO.  IT IS STILL CAPABLE 
  OF PRODUCING A TORNADO AS IT MOVES EAST NORTHEAST AT 20 MPH FROM 
  WEST OF CROWELL TOWARD CROWELL.  PERSONS IN CROWELL SHOULD TAKE 
  IMMEDIATE TORNADO PRECAUTIONS.

* LOCATIONS IN THE WARNING INCLUDE CROWELL AND MARGARET

TAKE COVER NOW. ABANDON MOBILE HOMES AND VEHICLEpS. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS.

LAT...LON 3417 10002 3386 10001 3388 9955 3406 9958
          3407 9981

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 7:01 PM CDT	Severe Thunderstorm Warning	OUN	Foard	44 min
Apr 29, 7:23 PM CDT	Severe Thunderstorm Warning	OUN	Knox	52 min
Apr 29, 7:43 PM CDT	Severe Thunderstorm Warning	OUN	Foard	47 min
Apr 29, 8:15 PM CDT	Severe Thunderstorm Warning	OUN	Knox	45 min
Apr 29, 8:36 PM CDT	Severe Thunderstorm Warning	OUN	Foard	24 min
Apr 29, 9:32 PM CDT	Severe Thunderstorm Warning	OUN	Foard	43 min
Apr 29, 9:38 PM CDT	Severe Thunderstorm Warning	OUN	Knox	52 min
Apr 29, 9:50 PM CDT	Flash Flood Warning	OUN	Foard, Knox	3 hr
Apr 30, 12:06 AM CDT	Severe Thunderstorm Warning	OUN	Knox	39 min
Apr 30, 12:21 AM CDT	Severe Thunderstorm Warning	OUN	Baylor	39 min
Apr 30, 6:17 AM CDT	Severe Thunderstorm Warning	OUN	Hardeman	43 min
Apr 30, 7:00 AM CDT	Severe Thunderstorm Warning	OUN	Hardeman	45 min
Apr 30, 7:55 AM CDT	Flash Flood Warning	OUN	Hardeman	3 hr
Apr 30, 8:44 AM CDT	Severe Thunderstorm Warning	OUN	Clay	46 min
Apr 30, 3:07 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Knox	53 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, 4:01 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	59 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, 4:58 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, 5:36 PM CDT	Severe Thunderstorm Warning	OUN	Archer	54 min
Apr 30, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Wichita, Wilbarger	45 min
Apr 30, 6:21 PM CDT	Tornado Warning	OUN	Archer	39 min
Apr 30, 6:29 PM CDT	Severe Thunderstorm Warning	OUN	Wichita	61 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

Nearby

Tornado Warnings in Texas, 2000 Every tornado warning in 2000 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.