Alert archive / Texas / Tornado Warnings in 1992

Tornado Warning 7, NWS Amarillo, TX

April 9, 1992Potter County, Texas

NWS Amarillo, TX issued this tornado warning at Apr 9, 1992, 7:11 PM CDT for Potter County, Texas. It was in force for 49 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: Apr 9, 1992, 7:11 PM CDT (00:11 UTC)
Expired: Apr 9, 1992, 8:00 PM CDT
In force: 49 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Potter County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 9, 8:02 PM CDT	Hail 0.75	Potter, TX
Apr 9, 8:05 PM CDT	Hail 1	Potter, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.2 hours before the alert went out and 26 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: 489 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 2385 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 100012
TORAMA
TXC375-100100-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
711 PM CDT THU APR 9 1992
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  800 PM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS
 
IN THE TEXAS PANHANDLE
 
   ...EASTERN POTTER COUNTY
 
WEATHER SERVICE PERSONNEL ARE OBSERVING A WALL CLOUD AND STRONG
ROTATION WITH A SUPERCELL STORM THAT IS NOW DRIFTING FROM CARSON
COUNTY BACK WEST INTO EASTERN POTTER COUNTY.
 
PEOPLE IN EASTERN POTTER COUNTY SHOULD PREPARE TO SEEK SHELTER NOW.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY F~URNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:06 PM CDT	Tornado Warning	AMA	Swisher	39 min
Apr 9, 7:45 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Randall	60 min
Apr 9, 7:58 PM CDT	Tornado Warning	AMA	Potter	32 min
Apr 9, 8:44 PM CDT	Severe Thunderstorm Warning	AMA	Gray	46 min
Apr 9, 8:50 PM CDT	Severe Thunderstorm Warning	AMA	Carson	25 min

Nearby

Tornado Warnings in Texas, 1992 Every tornado warning in 1992 Tornadoes in 1992

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.