Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 11, NWS Austin/San Antonio, TX

March 10, 2000DeWitt County, Gonzales County, Karnes County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 10, 2000, 6:22 PM CST for DeWitt County, Gonzales County, Karnes County, Texas. It was in force for 38 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: Mar 10, 2000, 6:22 PM CST (00:22 UTC)
Expired: Mar 10, 2000, 7:00 PM CST
In force: 38 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties DeWitt County, TX, Gonzales County, TX, Karnes County, TX

The radar

The Austin/San Antonio radar (KEWX), 80 km from the middle of the area, began a volume at 00:26 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 10, 6:15 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.4 hours before the alert went out and 154 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2395 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1159 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 110023
TORSAT
TXC123-177-255-110100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
622 PM CST FRI MAR 10 2000

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

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  GONZALES COUNTY
  DEWITT COUNTY
  KARNES COUNTY

* UNTIL 700 PM CST

* AT 622 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A POSSIBLE TORNADO 10 MILES NORTHWEST OF
  YORKTOWN...MOVING SOUTHEAST AT 5 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  YORKTOWN AROUND 655 PM CST

.END/ LAT...LON 2921 9763 2907 9776 2890 9755 2908 9739

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 6:14 PM CST	Severe Thunderstorm Warning	EWX	DeWitt, Gonzales, Karnes	61 min
Mar 10, 7:10 PM CST	Severe Thunderstorm Warning	EWX	DeWitt, Gonzales, Karnes, Wilson	65 min
Mar 10, 7:15 PM CST	Flash Flood Warning	EWX	DeWitt, Karnes	3 hr
Mar 10, 7:33 PM CST	Tornado Warning	EWX	DeWitt	27 min
Mar 10, 7:53 PM CST	Tornado Warning	EWX	DeWitt	37 min
Mar 10, 8:34 PM CST	Severe Thunderstorm Warning	EWX	Lee	56 min
Mar 10, 9:21 PM CST	Severe Thunderstorm Warning	EWX	Bastrop	54 min
Mar 10, 9:30 PM CST	Severe Thunderstorm Warning	EWX	Fayette	60 min

Nearby

Tornado Warnings in Texas, 2000 Every tornado warning in 2000 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.