Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 41, NWS Austin/San Antonio, TX

March 16, 2000Karnes County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 16, 2000, 7:31 PM CST for Karnes County, Texas. It was in force for 59 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued
Mar 16, 2000, 7:31 PM CST (01:31 UTC)
Expired
Mar 16, 2000, 8:30 PM CST
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Karnes County, TX

The radar

The Austin/San Antonio radar (KEWX), 82 km from the middle of the area, began a volume at 01:31 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.

What was reported inside it

TimeReportWhereRemark
Mar 16, 7:38 PM CSTHail 1.75Falls City, TX
Mar 16, 8:05 PM CSTHail 1.75Karnes City, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.5 hours before the alert went out and 148 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, Corpus Christi, TX at 00:00Z on 2000-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 630 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, Corpus Christi, TX at 00:00Z on 2000-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.193958Sfc1 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
630 J/kg
Mixed-layer CIN
-327 J/kg
Mixed-layer LCL
1457 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
120 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 170133
SVRSAT
TXC255-170230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
731 PM CST THU MAR 16 2000

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

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

* UNTIL 830 PM CST

* AT 730 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM 3 MILES WEST OF FALLS CITY...MOVING EAST AT 
  20 MPH.

VERY LARGE HAIL IS LIKELY 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 2922 9774 2888 9815 2870 9782 2883 9761
          2902 9779 2912 9766

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 6:00 PM CSTSevere Thunderstorm WarningEWXCaldwell60 min
Mar 16, 6:15 PM CSTSevere Thunderstorm WarningEWXGuadalupe45 min
Mar 16, 6:25 PM CSTSevere Thunderstorm WarningEWXBexar65 min
Mar 16, 6:36 PM CSTSevere Thunderstorm WarningEWXLee54 min
Mar 16, 6:49 PM CSTSevere Thunderstorm WarningEWXWilson56 min
Mar 16, 6:58 PM CSTSevere Thunderstorm WarningEWXCaldwell62 min
Mar 16, 7:26 PM CSTSevere Thunderstorm WarningEWXComal64 min
Mar 16, 8:18 PM CSTSevere Thunderstorm WarningEWXDeWitt57 min
Mar 16, 9:15 PM CSTSevere Thunderstorm WarningEWXDeWitt30 min
Mar 16, 9:38 PM CSTSevere Thunderstorm WarningEWXBexar52 min
Mar 16, 9:51 PM CSTSevere Thunderstorm WarningEWXComal, Guadalupe54 min
Mar 16, 10:42 PM CSTSevere Thunderstorm WarningEWXBexar63 min
Mar 16, 10:58 PM CSTSevere Thunderstorm WarningEWXGuadalupe, Wilson47 min
Mar 16, 11:36 PM CSTSevere Thunderstorm WarningEWXGonzales54 min
Mar 16, 11:47 PM CSTSevere Thunderstorm WarningEWXGuadalupe43 min
Mar 17, 12:45 AM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell60 min
Mar 17, 6:11 AM CSTSevere Thunderstorm WarningEWXFayette, Gonzales64 min
Mar 17, 6:20 AM CSTSevere Thunderstorm WarningEWXBexar, Guadalupe55 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.