Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 9, NWS Austin/San Antonio, TX

February 15, 2001Kerr County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 15, 2001, 11:35 PM CST for Kerr County, Texas. It was in force for 55 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
Feb 15, 2001, 11:35 PM CST (05:35 UTC)
Expired
Feb 16, 2001, 12:30 AM CST
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Kerr County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 15, 9:15 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 5.6 hours before the alert went out and 131 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 00:00Z on 2001-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 616 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, Del Rio, TX at 00:00Z on 2001-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
616 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 160535
SVRSAT
TXC019-265-385-463-160630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1135 PM CST THU FEB 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... 
  KERR COUNTY
  BANDERA COUNTY
 
* UNTIL 1230 AM CST

* AT 1135 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM JUST SOUTHEAST OF LEAKEY...OR ABOUT 35 MILES   
  NORTH OF UVALDE...MOVING NORTHEAST AT 70 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
RURAL BANDERA COUNTY AT 1150 PM CST
RURAL KERR COUNTY AT 1220 AM CST

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.

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 2970 9983 2958 9968 2994 9919 3013 9941

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 8:13 PM CSTSevere Thunderstorm WarningEWXVal Verde62 min
Feb 15, 8:46 PM CSTTornado WarningEWXEdwards, Val Verde29 min
Feb 15, 9:20 PM CSTSevere Thunderstorm WarningEWXEdwards25 min
Feb 15, 10:07 PM CSTSevere Thunderstorm WarningEWXEdwards38 min
Feb 15, 10:29 PM CSTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde46 min
Feb 15, 11:08 PM CSTSevere Thunderstorm WarningEWXReal, Uvalde52 min
Feb 15, 11:35 PM CSTSevere Thunderstorm WarningEWXBandera, Real, Uvalde55 min
Feb 16, 12:30 AM CSTSevere Thunderstorm WarningEWXGillespie, Kendall, Kerr45 min
Feb 16, 12:45 AM CSTSevere Thunderstorm WarningEWXBandera, Kendall, Kerr45 min
Feb 16, 12:45 AM CSTSevere Thunderstorm WarningEWXMedina45 min
Feb 16, 1:15 AM CSTSevere Thunderstorm WarningEWXBandera, Bexar, Medina45 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.