Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 160, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 14, 2001, 5:15 PM CST for Bexar County, Medina County, Texas. It was in force for 60 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, 5:15 PM CST (23:15 UTC)
- Expired
- Nov 14, 2001, 6:15 PM CST
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Bexar County, TX, Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 81 km from the middle of the area, began a volume at 23:19 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, 11.3 hours before the alert went out and 199 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
- 1001 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
305 WUUS54 KEWX 142317 SVRSAT TXC029-325-150015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 515 PM CST WED NOV 14 2001 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... BEXAR MEDINA * UNTIL 615 PM CST * AT 515 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER CASTROVILLE...OR ABOUT 25 MILES WEST OF SAN ANTONIO...MOVING TOWARD THE NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE... 5 MILES NORTHWEST OF LACOSTE AT 525 PM 2 MILES SOUTHEAST OF HELOTES AT 610 PM 5 MILES WEST OF SHAVANO PARK AT 615 PM 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. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2934 9906 2921 9891 2941 9832 2965 9856
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, 3:16 PM CST, 1 hour 59 minutes earlier.
Area forecast discussion, Nov 14, 3:16 PM CST, 1 hour 59 minutes before
SOUTH CENTRAL FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 316 PM CST WED NOV 14 2001 UPPER LOW WILL PERSIST AROUND THE EL PASO AREA THROUGH AT LEAST FRIDAY NIGHT...ALTHOUGH ETA SHOWS SIGNS OF LIFTING NORTHEAST THE EARLIEST. FAVOR THE AVN AS UPPER RIDGE BUILDS OVER TOP OF LOW AND SPLIT FLOW DOES NOT DEVELOP OFF THE WEST COAST UNTIL THE WEEKEND TO LIFT OUT. UNTIL THEN...SHORT-WAVES ROTATING AROUND THE LOW...THE LOW LEVEL JET...AND A DIFFLUENT UPPER FLOW WILL INTERACT WITH PWS OF 1.2 TO 1.5 INCHES TO PRODUCE NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS. FOR TONIGHT...WILL MENTION SOME POSSIBLY SEVERE DUE ONGOING THREAT OF VERTICAL SHEAR AND LOW WBZ HEIGHTS. INTO FRIDAY... LOCALLY HEAVY RAINFALL ALSO MENTIONED...ALTHOUGH WILL LEAVE OUT FLASH FLOOD WATCH AS FOR NOW SOILS FAIRLY DRY AND NO LOW LEVEL FOCUS. OVER THE WEEKEND...THE SPLIT FLOW WILL CAUSE THE LOW TO OPEN AND LIFT OUT...HOWEVER...WEAK SHORT-WAVES KEEP POPS GOING INTO EARLY NEXT WEEK...WHEN A COLD FRONT MOVES THROUGH AND DRIES THINGS OUT. FOR CCF TEMPERATURES...WILL GO WITH A BLEND...ALTHOUGH CATEGORY WARMER ON HIGHS SOUTH CENTRAL DUE SOME BREAKS IN CLOUDS. PRELIMS... AUS 061/075 060/075 058 68664 SAT 063/075 062/075 060 68664 DRT 061/071 060/071 060 77764 .EWX...NONE. 04/03
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, 1:38 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 67 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, 5:59 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.