Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 182, NWS Lubbock, TX

June 29, 1997Briscoe County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 29, 1997, 6:27 PM CDT for Briscoe County, Texas. It was in force for 33 min. 3 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: Jun 29, 1997, 6:27 PM CDT (23:27 UTC)
Expired: Jun 29, 1997, 7:00 PM CDT
In force: 33 min
Issued by: NWS Lubbock, TX
Area: Whole counties

County Briscoe County, TX

The radar

The Amarillo radar (KAMA), 91 km from the middle of the area, began a volume at 23:28 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

Time	Report	Where
Jun 29, 6:45 PM CDT	Hail 0.88	Silverton, TX
Jun 29, 6:53 PM CDT	Thunderstorm Wind 61	Quitaque, TX
Jun 29, 6:53 PM CDT	Hail 0.88	Quitaque, 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.

Issued	Product	Office	Lasted
Jun 29, 5:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.5 hours before the alert went out and 90 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.

537 
WUUS1 KLBB 292326 RRA
SVRLBB
TXC045-300000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
627 PM CDT SUN JUN 29 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN THE TEXAS PANHANDLE

   ...BRISCOE COUNTY
 
AT 624 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY LUBBOCK
DOPPLER RADAR 5 MILES NORTHWEST OF QUITAQUE MOVING SOUTH SOUTHEAST
AT 10 MPH.  A SECOND SEVERE THUNDERSTORM WAS LOCATED IN THE VICINITY
OF SILVERTON.

THIS STORM IS EXPECTED TO BE IN THE VICINITY OF...
     QUITAQUE          BY  640 PM CDT

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TMT/RCB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 4:27 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe	48 min
Jun 29, 4:49 PM CDT	Severe Thunderstorm Warning	LUB	Hale, Lamb	46 min
Jun 29, 5:11 PM CDT	Severe Thunderstorm Warning	LUB	Swisher	49 min
Jun 29, 5:12 PM CDT	Severe Thunderstorm Warning	LUB	Terry	48 min
Jun 29, 5:23 PM CDT	Severe Thunderstorm Warning	LUB	Hale	47 min
Jun 29, 5:37 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe	48 min
Jun 29, 5:56 PM CDT	Tornado Warning	LUB	Swisher	34 min
Jun 29, 5:59 PM CDT	Severe Thunderstorm Warning	LUB	Hall	66 min
Jun 29, 6:11 PM CDT	Flash Flood Warning	LUB	Briscoe, Swisher	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.