Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 22, NWS Amarillo, TX

June 11, 1997Collingsworth County, Texas

NWS Amarillo, TX issued this tornado warning at Jun 11, 1997, 10:21 PM CDT for Collingsworth County, Texas. It was in force for 39 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
Jun 11, 1997, 10:21 PM CDT (03:21 UTC)
Expired
Jun 11, 1997, 11:00 PM CDT
In force
39 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Collingsworth County, TX

The radar

The Amarillo radar (KAMA), 134 km from the middle of the area, began a volume at 03:22 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.

IssuedProductOfficeLasted
Jun 11, 9:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 3.4 hours before the alert went out and 133 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, Amarillo Airport, TX at 00:00Z on 1997-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 875 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 1997-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
875 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
2722 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

380 
WFUS1 KAMA 120321 RRA
TORAMA
TXC087-120400-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1021 PM CDT WED JUN 11 1997
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN THE TEXAS PANHANDLE
 
   ...SOUTHERN COLLINGSWORTH COUNTY
 
SHERIFF/S OFFICE OUT OF COLLINGWORTH COUNTY REPORTED A TORNADO 5
MILES SOUTH OF WELLINGTON. THIS TORNADIC STORM IS MOVING EAST AT
10 MPH.
 
IF YOU ARE OUTDOORS...DO NOT WATCH FOR THE TORNADO.  SEEK SHELTER
IMMEDIATELY IN NEARBY REINFORCED BUILDINGS.  AS A LAST RESORT...
FIND A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.
 
&

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:00 PM CDTFlash Flood WarningAMAWheeler4 hr
Jun 11, 7:04 PM CDTTornado WarningAMAWheeler56 min
Jun 11, 7:21 PM CDTTornado WarningAMACollingsworth69 min
Jun 11, 7:59 PM CDTTornado WarningAMACollingsworth, Wheeler61 min
Jun 11, 8:44 PM CDTTornado WarningAMADonley, Gray61 min
Jun 11, 9:02 PM CDTSevere Thunderstorm WarningAMACollingsworth, Wheeler58 min
Jun 11, 9:43 PM CDTFlash Flood WarningAMACollingsworth, Wheeler4 hr
Jun 11, 10:09 PM CDTSevere Thunderstorm WarningAMACollingsworth66 min
Jun 12, 5:13 PM CDTSevere Thunderstorm WarningAMAHartley62 min
Jun 12, 5:29 PM CDTSevere Thunderstorm WarningAMADallam61 min
Jun 12, 5:54 PM CDTSevere Thunderstorm WarningAMAMoore66 min
Jun 12, 6:11 PM CDTSevere Thunderstorm WarningAMAWheeler64 min
Jun 12, 6:17 PM CDTSevere Thunderstorm WarningAMAHartley43 min

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.