Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 177, NWS Austin/San Antonio, TX

November 5, 2000Fayette County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 5, 2000, 9:06 PM CST for Fayette County, Lavaca County, Texas. It was in force for 54 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
Nov 5, 2000, 9:06 PM CST (03:06 UTC)
Expired
Nov 5, 2000, 10:00 PM CST
In force
54 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Fayette County, TX, Lavaca County, TX

The radar

The Austin/San Antonio radar (KEWX), 104 km from the middle of the area, began a volume at 03:05 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 5, 8:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.1 hours before the alert went out and 224 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, Corpus Christi, TX at 00:00Z on 2000-11-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2000-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939587897117Sfc1 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
18 J/kg
Mixed-layer CIN
-301 J/kg
Mixed-layer LCL
1211 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 060313 COR
SVRSAT
TXC149-285-060400-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
906 PM CST SUN NOV 5 2000

...CORRECT THUNDERSTORM SPEED...

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  LAVACA COUNTY
  FAYETTE COUNTY

* UNTIL 1000 PM CST

* AT 906 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER LA GRANGE...OR ABOUT 2 MILES EAST OF LA
  GRANGE...MOVING EAST AT 25 MPH.


LAT...LON 2966 9713 2939 9721 2913 9693 2936 9663
          2963 9692 2998 9663 3012 9669 3013 9681
          3001 9705 2979 9729

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 5, 6:35 PM CSTFlash Flood WarningEWXAtascosa, Bexar, Frio4 hr
Nov 5, 7:04 PM CSTFlash Flood WarningEWXComal, Hays, Travis, Williamson4 hr
Nov 5, 7:36 PM CSTSevere Thunderstorm WarningEWXBexar39 min
Nov 5, 8:05 PM CSTSevere Thunderstorm WarningEWXComal, Guadalupe55 min
Nov 5, 8:24 PM CSTSevere Thunderstorm WarningEWXCaldwell, Gonzales81 min
Nov 5, 8:34 PM CSTFlash Flood WarningEWXBastrop, Caldwell, DeWitt, Fayette, Gonzales, Lavaca and 1 more4 hr
Nov 5, 8:48 PM CSTSevere Thunderstorm WarningEWXBastrop57 min
Nov 5, 11:52 PM CSTFlash Flood WarningEWXBastrop, DeWitt, Fayette, Gonzales, Lavaca, Lee3 hr

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; radar from the NEXRAD Level II archive.