Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 31, NWS Amarillo, TX

June 29, 1997Armstrong County, Texas

NWS Amarillo, TX issued this tornado warning at Jun 29, 1997, 4:06 PM CDT for Armstrong 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 29, 1997, 4:06 PM CDT (21:06 UTC)
Expired: Jun 29, 1997, 4:45 PM CDT
In force: 39 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Armstrong County, TX

The radar

The Amarillo radar (KAMA), 44 km from the middle of the area, began a volume at 21:08 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.1 hours before the alert went out and 43 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: 561 J/kg
Mixed-layer CIN: -258 J/kg
Mixed-layer LCL: 2385 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

510 
WFUS1 KAMA 292107 RRA
TORAMA
TXC011-292145-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
406 PM CDT SUN JUN 29 1997
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  445 PM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN THE TEXAS PANHANDLE
 
   ...EASTERN ARMSTRONG COUNTY
 
AT 407 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
POSSIBLE TORNADO 8 MILES SOUTH OF CLAUDE ALONG HIGHWAY 207. MOVEMENT WAS
EAST-SOUTHEAST AT 15 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.

Issued	Product	Office	Counties	Lasted
Jun 29, 3:28 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	62 min
Jun 29, 3:55 PM CDT	Severe Thunderstorm Warning	AMA	Gray	50 min
Jun 29, 4:45 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	45 min

Nearby

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