Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 155, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 14, 2001, 1:38 PM CST for Atascosa County, Texas. It was in force for 67 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 14, 2001, 1:38 PM CST (19:38 UTC)
- Expired
- Nov 14, 2001, 2:45 PM CST
- In force
- 67 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Atascosa County, TX
The radar
The Austin/San Antonio radar (KEWX), 112 km from the middle of the area, began a volume at 19:40 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
Corpus Christi, TX (KCRP), launched 12:00Z, 7.6 hours before the alert went out and 179 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.
- Mixed-layer CAPE
- 1072 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 768 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
925 WUUS54 KEWX 141940 SVRSAT TXC013-142045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 138 PM CST WED NOV 14 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... ATASCOSA * UNTIL 245 PM CST * AT 138 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES SOUTH OF CHARLOTTE...OR ABOUT 23 MILES SOUTHWEST OF JOURDANTON...MOVING NORTH AT 20 MPH. PEOPLE IN AND AROUND THE CHARLOTTE AND JOURDANTON AREAS SHOULD PREPARE FOR LARGE HAIL...GUSTY WINDS...BRIEF BUT VERY HEAVY RAINS...AND FREQUENT LIGHTNING. LAT...LON 2865 9880 2865 9842 2911 9844 2922 9878
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 Nov 14, 11:11 AM CST, 2 hours 27 minutes earlier.
Area forecast discussion, Nov 14, 11:11 AM CST, 2 hours 27 minutes before
SOUTH CENTRAL FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1111 AM CST WED NOV 14 2001 SHORT-WAVE AND SPEED MAX WILL MOVE ACROSS CWA THIS AFTERNOON. THUS...WILL MAINTAIN POPS...ALTHOUGH MAY TWEAK. SOME BREAKS IN THE CLOUDS OVER SOUTH CENTRAL TEXAS MAY ALLOW THUNDERSTORMS TO DEVELOP AND WILL ADD THEM THERE. TEMPERATURES RISING THROUGH THE 70S DUE TO THOSE BREAKS AND WILL RAISE A CATEGORY OR SO. MAY TWEAK WINDS A LITTLE AS WELL. 04/03. .EWX...NONE.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 9:51 AM CST | Severe Thunderstorm Warning | EWX | Uvalde | 39 min |
| Nov 14, 11:23 AM CST | Severe Thunderstorm Warning | EWX | Uvalde | 52 min |
| Nov 14, 12:45 PM CST | Severe Thunderstorm Warning | EWX | Bandera | 60 min |
| Nov 14, 2:40 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 65 min |
| Nov 14, 2:42 PM CST | Severe Thunderstorm Warning | EWX | Bandera | 63 min |
| Nov 14, 3:26 PM CST | Severe Thunderstorm Warning | EWX | Frio | 64 min |
| Nov 14, 4:08 PM CST | Severe Thunderstorm Warning | EWX | Bexar, Medina | 67 min |
| Nov 14, 5:15 PM CST | Severe Thunderstorm Warning | EWX | Bexar, Medina | 60 min |
| Nov 14, 5:59 PM CST | Flash Flood Warning | EWX | Atascosa | 2 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every 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; radar from the NEXRAD Level II archive.