Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 165, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 15, 2001, 12:23 AM CST for Zavala County, Texas. It was in force for 52 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 15, 2001, 12:23 AM CST (06:23 UTC)
- Expired
- Nov 15, 2001, 1:15 AM CST
- In force
- 52 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Zavala County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.4 hours before the alert went out and 117 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
- 1971 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 705 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
753 WUUS54 KEWX 150622 SVRSAT TXC507-150715- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1223 AM CST THU NOV 15 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... ZAVALA * UNTIL 115 AM CST * AT 1223 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 14 MILES NORTHWEST OF BATESVILLE...OR ABOUT 12 MILES SOUTH OF UVALDE...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR BATESVILLE AT 100 AM SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 2909 9993 2895 9979 2893 9942 2908 9945
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, 9:06 PM CST, 3 hours 17 minutes earlier.
Area forecast discussion, Nov 14, 9:06 PM CST, 3 hours 17 minutes before
SOUTH CENTRAL FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 906 PM CST WED NOV 14 2001 ...WILL ISSUE FLASH FLOOD WATCH FOR ALL AREAS THROUGH TOMORROW AFTERNOON... SHORTWAVE MOVING EAST ALONG THE SOUTH SIDE OF THE UPPER LOW OVER ELP WILL LIKELY SUPPORT THE COMPLEX OF THUNDERSTORMS NOW MOVING ACROSS VAL VERDE COUNTY. AS THIS THUNDERSTORM AREA SPEADS SOUTHEAST AND MOVES OVER SATURATED GROUNDS THE POTENTIAL FOR ADDITIONAL FLOODING EXISTS ACROSS MUCH OF SOUTH CENTRAL TEXAS. MEANWHILE TRAINING OF ECHOES CONTINUE ACROSS CENTRAL SECTIONS OF SOUTH CENTRAL TEXAS. PRECIPITABLE WATER VALUES ARE RUNNING CLOSE TO 200% OF NORMAL. WILL GO AHEAD AND HOIST THE FLASH FLOOD WATCH FOR ALL OF SOUTH CENTRAL TEXAS AS MODELS KEEP THE WHOLE AREA IN A GOOD CHANCE OF RAIN THROUGH THE NEXT TWO DAYS. WILL ALSO EXTEND SEVERE MENTION THROUGH TONIGHT AS MODELS CONTINUE TO INDICATE HEALTHY INFLOW INTO GOOD INSTABILITY AND DYNAMICS ALOFT. POPS, TEMPS AND WINDS LOOK FINE FOR NOW. .EWX...FFA ALL AREAS THROUGH THURSDAY AFTERNOON. 18/1
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 6:46 PM CST | Flash Flood Warning | EWX | Blanco, Travis | 2 hr |
| Nov 14, 7:15 PM CST | Severe Thunderstorm Warning | EWX | Uvalde | 60 min |
| Nov 14, 7:50 PM CST | Severe Thunderstorm Warning | EWX | Bandera, Medina | 55 min |
| Nov 14, 8:32 PM CST | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 73 min |
| Nov 14, 9:53 PM CST | Flash Flood Warning | EWX | Atascosa | 67 min |
| Nov 14, 11:47 PM CST | Severe Thunderstorm Warning | EWX | Bandera | 73 min |
| Nov 15, 2:54 AM CST | Flash Flood Warning | EWX | Bandera, Kerr, Medina, Real | 2 hr |
| Nov 15, 3:47 AM CST | Severe Thunderstorm Warning | EWX | Real | 58 min |
| Nov 15, 4:52 AM CST | Tornado Warning | EWX | Kendall | 38 min |
| Nov 15, 5:21 AM CST | Flash Flood Warning | EWX | Edwards, Val Verde | 3 hr |
| Nov 15, 6:07 AM CST | Flash Flood Warning | EWX | Bexar, Kendall | 3 hr |
| Nov 15, 6:21 AM CST | Flash Flood Warning | EWX | Gillespie | 3 hr |
| Nov 15, 6:30 AM CST | Flash Flood Warning | EWX | Kerr | 3 hr |
| Nov 15, 6:54 AM CST | Flash Flood Warning | EWX | Blanco, Burnet, Llano | 3 hr |
| Nov 15, 8:35 AM CST | Flash Flood Warning | EWX | Edwards | 3 hr |
| Nov 15, 9:20 AM CST | Flash Flood Warning | EWX | Atascosa, Bandera, Bexar, Blanco, Burnet, Comal and 14 more | 4 hr |
| Nov 15, 9:32 AM CST | Tornado Warning | EWX | Blanco, Hays | 43 min |
| Nov 15, 10:19 AM CST | Tornado Warning | EWX | Blanco, Hays, Travis | 41 min |
| Nov 15, 10:55 AM CST | Tornado Warning | EWX | Travis | 50 min |
| Nov 15, 11:37 AM CST | Tornado Warning | EWX | Williamson | 53 min |
| Nov 15, 12:40 PM CST | Tornado Warning | EWX | DeWitt, Karnes | 50 min |
| Nov 15, 12:55 PM CST | Flash Flood Warning | EWX | Bandera, Kerr, Medina | 2 hr |
| Nov 15, 1:06 PM CST | Flash Flood Warning | EWX | Bexar, Blanco, Burnet, Comal, Gillespie, Hays and 4 more | 4 hr |
| Nov 15, 1:29 PM CST | Tornado Warning | EWX | Gonzales, Karnes | 61 min |
| Nov 15, 2:29 PM CST | Tornado Warning | EWX | Gonzales | 61 min |
| Nov 15, 2:58 PM CST | Tornado Warning | EWX | Hays, Travis | 62 min |
| Nov 15, 3:41 PM CST | Tornado Warning | EWX | Comal, Hays | 34 min |
| Nov 15, 3:57 PM CST | Tornado Warning | EWX | Travis, Williamson | 63 min |
| Nov 15, 5:00 PM CST | Flash Flood Warning | EWX | Atascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 13 more | 4 hr |
| Nov 15, 5:04 PM CST | Tornado Warning | EWX | Travis, Williamson | 56 min |
| Nov 15, 5:29 PM CST | Tornado Warning | EWX | Comal, Guadalupe | 61 min |
| Nov 15, 5:50 PM CST | Tornado Warning | EWX | Travis, Williamson | 70 min |
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.