Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 17, NWS Austin/San Antonio, TX

March 22, 2000Val Verde County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 22, 2000, 1:28 AM CST for Val Verde County, Texas. It was in force for 62 min. 2 reports 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 22, 2000, 1:28 AM CST (07:28 UTC)
Expired
Mar 22, 2000, 2:30 AM CST
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 109 km from the middle of the area, began a volume at 07:30 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 22, 1:28 AM CSTTornado F0Amistad Res West, TXA small and short-lived tornado was observed by Sheriff's Deputies as it scattered debris along US277.
Mar 22, 1:30 AM CSTHail 1.5Amistad Res West, 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 21, 11:00 PM CSTSevere Thunderstorm WatchSPC6 hr
Mar 22, 1:15 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.5 hours before the alert went out and 66 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 2000-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 809 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 2000-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897Sfc1 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
809 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
2475 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 220732
TORSAT
TXC465-220830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
128 AM CST WED MAR 22 2000

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

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  VAL VERDE COUNTY

* UNTIL 230 AM CST

* AT 128 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM WITH A TORNADO 10 MILES NORTH OF DEL RIO...MOVING   
  NORTHEAST AT 25 MPH.  THE STORM WILL MOVE ACROSS HIGHWAY 277 BETWEEN
  DEL RIO AND LOMA ALTA.

* VERY LARGE HAIL...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAIN
  ALSO WILL ACCOMPANY THIS STORM.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
STAY ALERT TO THE POSSIBILITY OF FLASH FLOODING.

.END

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 11:30 PM CSTSevere Thunderstorm WarningEWXVal Verde75 min
Mar 22, 12:30 AM CSTTornado WarningEWXVal Verde30 min
Mar 22, 2:04 AM CSTTornado WarningEWXEdwards56 min
Mar 22, 2:58 AM CSTTornado WarningEWXEdwards62 min

Nearby

Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes 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.