Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 83, NWS Austin/San Antonio, TX

April 2, 2000Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 2, 2000, 12:17 PM CDT for Bexar County, Texas. It was in force for 58 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 2, 2000, 12:17 PM CDT (17:17 UTC)
Expired
Apr 2, 2000, 1:15 PM CDT
In force
58 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 17:20 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 nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 5.3 hours before the alert went out and 209 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 2000-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Del Rio, TX at 12:00Z on 2000-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -78 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-78 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 021718
SVRSAT
TXC029-021815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1217 PM CDT SUN APR 2 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

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

* UNTIL 115 PM CDT

* AT 1217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 17 MILES SOUTHWEST OF LACKLAND AFB...OR ABOUT 7
  MILES SOUTH OF CASTROVILLE...MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LACKLAND AFB AROUND 1235 PM CDT
  LEON VALLEY AROUND 1240 PM CDT
  SHAVANO PARK AROUND 1250 PM CDT

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

.END/ LAT...LON 2947 9879 2925 9880 2922 9848 2965 9855

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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 2, 11:15 AM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Apr 2, 11:15 AM CDT, 1 hour 2 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1115 AM CDT SUN APR 2 2000

CANCELED THE FLASH FLOOD WATCH SINCE MODELS INDICATE A DECREASE IN
ACTIVITY THIS MAFTERNOON...RAPID MOVEMENT OF WHAT STORMS THERE ARE...
AND SHIFT OF FOCUS OF HEAVY RAIN TOWARD COAST.  THREAT OF LARGE HAIL
CONTINUES ALL BUT DRT AREA THIS AFTERNOON.

.EWX...NONE.

03/01/CA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 8:19 PM CSTSevere Thunderstorm WarningEWXAtascosa71 min
Apr 1, 8:23 PM CSTSevere Thunderstorm WarningEWXBurnet67 min
Apr 1, 8:53 PM CSTSevere Thunderstorm WarningEWXWilliamson67 min
Apr 1, 9:19 PM CSTSevere Thunderstorm WarningEWXBexar56 min
Apr 1, 10:12 PM CSTSevere Thunderstorm WarningEWXKendall63 min
Apr 1, 10:25 PM CSTSevere Thunderstorm WarningEWXAtascosa65 min
Apr 1, 10:36 PM CSTSevere Thunderstorm WarningEWXBlanco54 min
Apr 2, 9:15 AM CDTSevere Thunderstorm WarningEWXBlanco, Burnet60 min
Apr 2, 11:57 AM CDTSevere Thunderstorm WarningEWXFrio48 min
Apr 2, 12:28 PM CDTSevere Thunderstorm WarningEWXAtascosa42 min
Apr 2, 1:00 PM CDTTornado WarningEWXBexar45 min
Apr 2, 1:32 PM CDTSevere Thunderstorm WarningEWXGuadalupe43 min
Apr 2, 5:15 PM CDTSevere Thunderstorm WarningEWXBurnet60 min
Apr 2, 6:08 PM CDTSevere Thunderstorm WarningEWXBurnet52 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; radar from the NEXRAD Level II archive.