Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 16, NWS San Angelo, TX

April 30, 2000Throckmorton County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 30, 2000, 5:57 PM CDT for Throckmorton County, Texas. It was in force for 48 min. No storm report in the archive falls 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.

The facts

Issued: Apr 30, 2000, 5:57 PM CDT (22:57 UTC)
Expired: Apr 30, 2000, 6:45 PM CDT
In force: 48 min
Issued by: NWS San Angelo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Throckmorton County, TX

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

Fort Worth, TX (KFWD), launched 12:00Z, 11.0 hours before the alert went out and 169 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: 511 J/kg
Mixed-layer CIN: -174 J/kg
Mixed-layer LCL: 957 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 302258
TORSJT
TTAA00 KSJT 302257

TXC447-302345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
557 PM CDT SUN APR 30 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  THROCKMORTON COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 645 PM CDT

* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 3 MILES SOUTHWEST OF ELBERT...OR ABOUT 10 MILES EAST
  OF THROCKMORTON...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ELBERT AT 605 PM CDT

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING
WINDS CAN ALSO BE EXPECTED WITH THIS STORM.

ABANDON MOBILE HOMES AND VEHICLES...AND GO TO A NEARBY STURDY
BUILDING. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
AND COVER YOUR HEAD.

LAT...LON 3328 9913 3311 9904 3314 9895 3335 9896

TEW

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 7:55 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones	65 min
Apr 29, 8:56 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	64 min
Apr 29, 9:00 PM CDT	Flash Flood Warning	SJT	Haskell	60 min
Apr 29, 9:10 PM CDT	Severe Thunderstorm Warning	SJT	Jones	65 min
Apr 29, 11:43 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	77 min
Apr 30, 12:40 AM CDT	Severe Thunderstorm Warning	SJT	Haskell, Throckmorton	65 min
Apr 30, 12:49 AM CDT	Severe Thunderstorm Warning	SJT	Shackelford	56 min
Apr 30, 3:51 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	54 min
Apr 30, 4:22 PM CDT	Tornado Warning	SJT	Throckmorton	38 min
Apr 30, 4:56 PM CDT	Tornado Warning	SJT	Throckmorton	64 min
Apr 30, 6:43 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	32 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; the sounding from the Mesonet's radiosonde archive.