Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 158, NWS San Angelo, TX

October 28, 2000Sutton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 28, 2000, 1:35 PM CDT for Sutton County, Texas. It was in force for 55 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 28, 2000, 1:35 PM CDT (18:35 UTC)
Expired
Oct 28, 2000, 2:30 PM CDT
In force
55 min
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sutton County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 28, 11:00 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 6.6 hours before the alert went out and 136 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, Del Rio, TX at 12:00Z on 2000-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 141 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, Del Rio, TX at 12:00Z on 2000-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
141 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
663 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KSJT 281835
SVRSJT
TXC435-281930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
135 PM CDT SAT OCT 28 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SUTTON COUNTY IN SOUTHWEST TEXAS

* UNTIL 230 PM CDT

* AT 130 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES SOUTHWEST OF SONORA...MOVING NORTHEAST
  AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   SONORA AT 150 PM CDT

DAMAGING WINDS AND VERY HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AWAY FROOM CREEK BEDS AND FLOOD PRONE AREAS...AND STAY AWAY
FROM WINDOWS.

LAT...LON 3062 10085 3031 10083 3068 10020 3070 10056

12

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 28, 11:28 AM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Oct 28, 11:28 AM CDT, 2 hours 7 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1128 AM CDT SAT OCT 28 2000

HAVE ISSUED UPDATED ZONES FOR WEST CENTRAL TEXAS TO INCLUDE TORNADO
WATCH FOR IRION... STERLING... AND CROCKETT COUNTIES. NO OTHER
SIGNIFICANT UPDATES TO THE FORECAST AT THIS TIME. WOULD ANTIPATE
FURTHER UPDATES THROUGH THE AFTERNOON AS A VERY STRONG UPPER LEVEL
DISTURBANCE MOVES ACROSS THE AREA.

12

In the hours before

Special weather statement, Oct 28, 11:37 AM CDT, 1 hour 58 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-282025-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1137 AM CDT SAT OCT 28 2000

...THERE IS MODERATE RISK OF SEVERE THUNDERSTORMS ALONG AND NORTH OF
A LINE FROM OZONA TO BROWNWOOD THIS AFTERNOON AND EVENING...

A VERY VIGOROUS UPPER LEVEL STORM WILL MOVE ACROSS WEST CENTRAL
TEXAS THIS AFTERNOON AND EVENING. WITH MODERATE INSTABILITY AND
STRONG WIND SHEAR... ORGANIZED SEVERE THUNDERSTORM DEVELOPMENT IS
LIKELY. CONDITIONS ARE MOST FAVORABLE FOR SEVERE THUNDERSTORMS ALONG
AND NORTH OF A LINE FROM OZONA TO BROWNWOOD. HOWEVER... THE POTENTIAL
FOR SEVERE WEATHER EXISTS ACROSS ALL OF WEST CENTRAL TEXAS.

ABUNDANT LOW LEVEL MOISTURE WILL CONTRIBUTE TO HIGH PRECIPITATION
RATES. RAINFALL RATES WILL APPROACH 2 INCHES AN HOUR. LOCALIZED
FLOODING WILL POSSIBLE.

A TORNADO WATCH HAS ALREADY BEEN ISSUED FOR THE PERMIAN BASIN AND
WESTERN CONCHO VALLEY. AS THE DAY PROGRESSES... ADDITIONAL SEVERE
THUNDERSTORM AND POSSIBLY TORNADO WATCHES WILL LIKELY BE ISSUED.

SPOTTER ACTIVATION WILL LIKELY BE NEEDED..

FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE
PRODUCT LBBSPSMAF. FOR THE SOUTH PLAINS OUTLOOK SEE PRODUCT
LBBSPSLBB. FOR THE CENTRAL OKLAHOMA OUTLOOK SEE PRODUCT OKCSPSOKC.
FOR THE NORTH TEXAS OUTLOOK SEE PRODUCT FTWSPSFTW. FOR THE SOUTH
CENTRAL TEXAS{ OUTLOOK SEE PRODUCT SATSPSSAT.

12
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 2:31 PM CDTSevere Thunderstorm WarningSJTCrockett74 min
Oct 28, 3:18 PM CDTSevere Thunderstorm WarningSJTSterling72 min
Oct 28, 6:36 PM CDTTornado WarningSJTSutton24 min
Oct 28, 6:57 PM CDTTornado WarningSJTSutton63 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.