Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 49, NWS Austin/San Antonio, TX

March 16, 2000Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 16, 2000, 11:47 PM CST for Guadalupe County, Texas. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 16, 2000, 11:47 PM CST (05:47 UTC)
Expired
Mar 17, 2000, 12:30 AM CST
In force
43 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Guadalupe County, TX

The radar

The Austin/San Antonio radar (KEWX), 16 km from the middle of the area, began a volume at 05:48 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, 11:55 PM CSTHail 1.75Schertz, 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 watch it was issued in

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

IssuedProductOfficeLasted
Mar 16, 8:00 PM CSTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 5.8 hours before the alert went out and 214 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 170555 COR
SVRSAT
TXC187-170630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1147 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...
  GUADALUPE COUNTY

* UNTIL 1230 AM CST

* AT 1147 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES SOUTHWEST OF PALMETO...OR ABOUT 16
  MILES SOUTHEAST OF SEGUIN...MOVING NORTHEAST AT 20 MPH.


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
SUBSTuANTIAL SHELTER.

.END/

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, 7:31 PM CSTSevere Thunderstorm WarningEWXKarnes59 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 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.