Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 8, NWS Austin/San Antonio, TX

February 22, 2000Uvalde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Feb 22, 2000, 10:36 PM CST for Uvalde County, Texas. It was in force for 39 min. 1 report 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: Feb 22, 2000, 10:36 PM CST (04:36 UTC)
Expired: Feb 22, 2000, 11:15 PM CST
In force: 39 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 42 km from the middle of the area, began a volume at 04:36 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.

What was reported inside it

Time	Report	Where	Remark
Feb 22, 10:36 PM CST	Tornado F0	Uvalde, TX	Reported by Sheriff's Department in open country moving southeastward.

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 nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.6 hours before the alert went out and 95 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: 2362 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1410 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 230438
TORSAT
TXC463-230515-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1036 PM CST TUE FEB 22 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  UVALDE COUNTY

* UNTIL 1115 PM CST

* AT 1036 PM CST...A TORNADO WAS REPORTED 19 MILES SOUTHWEST OF
  CONCAN...OR ABOUT 10 MILES NORTHWEST OF UVALDE...MOVING SOUTHEAST
  AT 20 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A WELL-BUILT BUILDING.
IF NO BASEMENT IS AVAILABLE...GO TO A CENTRAL...SMALL ROOM ON THE
LOWEST FLOOR...SUCH AS A BATHROOM...CLOSET OR HALLWAY. STAY AWAY FROM
OUTSIDE WINDOWS AND DOORS. USE BLANKETS OR PILLOWS TO COVER YOUR
BODY.

.END/ LAT...LON 2933 10006 2920 9992 2940 9952 2957 9976

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 22, 7:47 PM CST	Severe Thunderstorm Warning	EWX	Edwards	28 min
Feb 22, 8:08 PM CST	Tornado Warning	EWX	Edwards	67 min
Feb 22, 8:19 PM CST	Severe Thunderstorm Warning	EWX	Val Verde	56 min
Feb 22, 8:23 PM CST	Tornado Warning	EWX	Val Verde	67 min
Feb 22, 8:40 PM CST	Severe Thunderstorm Warning	EWX	Llano	65 min
Feb 22, 8:45 PM CST	Severe Thunderstorm Warning	EWX	Burnet	60 min
Feb 22, 8:47 PM CST	Severe Thunderstorm Warning	EWX	Gillespie	58 min
Feb 22, 8:54 PM CST	Severe Thunderstorm Warning	EWX	Real	66 min
Feb 22, 8:59 PM CST	Tornado Warning	EWX	Kinney	31 min
Feb 22, 9:07 PM CST	Tornado Warning	EWX	Edwards	38 min
Feb 22, 9:30 PM CST	Tornado Warning	EWX	Kinney	30 min
Feb 22, 9:46 PM CST	Severe Thunderstorm Warning	EWX	Williamson	59 min
Feb 22, 9:55 PM CST	Tornado Warning	EWX	Kinney	35 min
Feb 22, 10:06 PM CST	Tornado Warning	EWX	Uvalde	39 min
Feb 22, 11:10 PM CST	Severe Thunderstorm Warning	EWX	Medina	65 min
Feb 22, 11:30 PM CST	Severe Thunderstorm Warning	EWX	Frio, Uvalde, Zavala	60 min
Feb 22, 11:44 PM CST	Tornado Warning	EWX	Zavala	76 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; radar from the NEXRAD Level II archive.