Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 155, NWS San Angelo, TX

October 22, 2000Throckmorton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 22, 2000, 9:10 PM CDT for Throckmorton County, Texas. It was in force for 50 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
Oct 22, 2000, 9:10 PM CDT (02:10 UTC)
Expired
Oct 22, 2000, 10:00 PM CDT
In force
50 min
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Throckmorton County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.2 hours before the alert went out and 185 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2000-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1488 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2000-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1488 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KSJT 230210
SVRSJT
TXC447-230300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
910 PM CDT SUN OCT 22 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  THROCKMORTON COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 1000 PM CDT

* AT 909 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NORTH CENTRAL THROCKMORTON COUNTY...OR
  ABOUT 7 MILES NORTHWEST OF THROCKMORTON...MOVING NORTHEAST AT 15
  MPH.

HAILSTONES AS LARGE AS GOLFBALLS ARE LIKELY WITH THIS STORM. MOVE TO AN 
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND STAY AWAY 
FROM WINDOW|S.

LAT...LON 3327 9938 3315 9922 3342 9886 3359 9908

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 Oct 22, 7:41 PM CDT, 1 hour 29 minutes earlier.

Area forecast discussion, Oct 22, 7:41 PM CDT, 1 hour 29 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
741 PM CDT SUN OCT 22 2000

CURRENT THINKING IS THAT ONGOING CONVECTION SHOULD CONTINUE AFTER
SUNSET.  DECENT CAPES CONTINUE ACROSS THE AREA...BUT THERE SHOULD BE
A WEAKENING TREND LATER TONIGHT AS THE BEST DYNAMICS SHIFT NORTH.
WILL BE REWORDING SOME OF THE ZONES TO REFLECT THE CURRENT TRENDS.

.SJT...NONE.

20

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 2:26 PM CDTFlash Flood WarningSJTKimble4 hr
Oct 23, 3:42 PM CDTFlash Flood WarningSJTCrockett, Sutton4 hr
Oct 23, 4:55 PM CDTFlash Flood WarningSJTMason3 hr
Oct 23, 5:18 PM CDTFlash Flood WarningSJTMcCulloch3 hr
Oct 23, 6:29 PM CDTFlash Flood WarningSJTKimble91 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning 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.