Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 63, NWS San Angelo, TX

April 22, 2001Sutton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 22, 2001, 10:03 PM CDT for Sutton County, Texas. It was in force for 57 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 22, 2001, 10:03 PM CDT (03:03 UTC)
Expired: Apr 22, 2001, 11:00 PM CDT
In force: 57 min
Issued by: NWS San Angelo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Sutton County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 3.1 hours before the alert went out and 124 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: 1796 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 2172 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KSJT 230304
SVRSJT
TXC435-230330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1003 PM CDT SUN APR 22 2001

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SUTTON COUNTY IN WEST CENTRAL TEXAS

* UNTIL 1100 PM CDT

* AT 1001 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 24 MILES SOUTHWEST OF SONORA...OR ABOUT 24
  MILES SOUTHEAST OF OZONA...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   SONORA AT 1025 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY
LIGHTNING...AND VERY HEAVY RAINFALL. MOVE INTO A STURDY BUILDING AND
STAY AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3052 10091 3032 10091 3035 10021 3067 10053

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 22, 6:34 PM CDT, 3 hours 29 minutes earlier.

Area forecast discussion, Apr 22, 6:34 PM CDT, 3 hours 29 minutes before

WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
634 PM CDT SUN APR 22 2001

WILL SEND A ZONE UPDATE FOR COUNTIES INCLUDED IN LATEST SEVERE
THUNDERSTORM WATCH. WILL ALSO INCREASE POPS FOR THOSE COUNTIES AND
INCLUDE MENTION OF POSSIBLE SEVERE STORMS.

19

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 9:59 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher	46 min
Apr 22, 10:45 PM CDT	Severe Thunderstorm Warning	SJT	Menard	60 min
Apr 22, 11:47 PM CDT	Flash Flood Warning	SJT	Brown	3 hr
Apr 22, 11:53 PM CDT	Severe Thunderstorm Warning	SJT	Sutton	67 min
Apr 22, 11:56 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	64 min
Apr 23, 12:10 AM CDT	Severe Thunderstorm Warning	SJT	Menard	50 min
Apr 23, 12:46 AM CDT	Severe Thunderstorm Warning	SJT	McCulloch	44 min
Apr 23, 12:55 AM CDT	Severe Thunderstorm Warning	SJT	Mason	50 min
Apr 23, 1:17 AM CDT	Severe Thunderstorm Warning	SJT	Kimble	43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.