Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 18, NWS Lubbock, TX

April 22, 1997Yoakum County, Texas

NWS Lubbock, TX issued this tornado warning at Apr 22, 1997, 7:04 PM CDT for Yoakum County, Texas. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 22, 1997, 7:04 PM CDT (00:04 UTC)
Expired
Apr 22, 1997, 7:20 PM CDT
In force
16 min
Issued by
NWS Lubbock, TX
Area
Whole counties

County Yoakum County, TX

The radar

The Lubbock radar (KLBB), 108 km from the middle of the area, began a volume at 00:07 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 nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.1 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, Midland Regional, TX at 00:00Z on 1997-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 1997-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1852 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
327 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.

777 
WFUS1 KLBB 230004 RRA
TORLBB
TXC501-230020-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
704 PM CDT TUE APR 22 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 720 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...SOUTHERN YOAKUM COUNTY
 
AT 701 PM CDT...A POSSIBLE TORNADO WAS INDICATED BY LUBBOCK DOPPLER
RADAR JUST NORTH OF DENVER CITY MOVING SOUTH SOUTHEAST AT 40 MPH.

THE TORNADO MAY PASS THROUGH THE DENVER CITY.   TAKE COVER NOW.

JWL/MM

Nearby

Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes in 1997

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.