Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 80, NWS Lubbock, TX

May 22, 1997Swisher County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 22, 1997, 7:32 PM CDT for Swisher County, Texas. It was in force for 63 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: May 22, 1997, 7:32 PM CDT (00:32 UTC)
Expired: May 22, 1997, 8:35 PM CDT
In force: 63 min
Issued by: NWS Lubbock, TX
Area: Whole counties

County Swisher County, TX

The radar

The Amarillo radar (KAMA), 78 km from the middle of the area, began a volume at 00:32 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
May 22, 8:10 PM CDT	Hail 0.75	Tulia, TX
May 22, 8:25 PM CDT	Hail 1	Tulia, TX
May 22, 8:40 PM CDT	Tornado F0	Kress, 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.5 hours before the alert went out and 78 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: 1543 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 937 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 145 m²/s²
0-3 km storm-relative helicity: 358 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

442 
WUUS1 KLBB 230033 RRA
SVRLBB
TXC437-230135-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
732 PM CDT THU MAY 22 1997

THE NATIONAL WEATHER SERVICE IN LUBBOCK TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 835 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN THE TEXAS PANHANDLE

   ...SWISHER COUNTY
 
AT 728 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY LUBBOCK
DOPPLER RADAR AND SPOTTER REPORTS 15 MILES WEST OF TULIA MOVING
EAST NORTHEAST AT 15 MPH.

THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS.

DIME SIZE HAIL HAS BEEN REPORTED WITH THIS STORM. IN ADDITION...
DOPPLER RADAR AND SPOTTER REPORTS INDICATE SOME ROTATION WITH THIS
STORM. THE STORM WILL CONTINUE TO BE MONITORED FOR POSSIBLE TORNADO
DEVELOPMENT.

IF YOU ARE CAUGHT OUTSIDE...SEEK REFUGE FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

RB/JL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 7:15 PM CDT	Severe Thunderstorm Warning	LUB	Castro	50 min
May 22, 8:09 PM CDT	Severe Thunderstorm Warning	LUB	Castro	46 min
May 22, 8:10 PM CDT	Tornado Warning	LUB	Swisher	35 min
May 22, 8:32 PM CDT	Flash Flood Warning	LUB	Swisher	118 min
May 22, 8:48 PM CDT	Severe Thunderstorm Warning	LUB	Swisher	62 min
May 22, 9:47 PM CDT	Severe Thunderstorm Warning	LUB	Swisher	43 min
May 22, 10:34 PM CDT	Severe Thunderstorm Warning	LUB	Hale, Swisher	46 min
May 23, 4:20 PM CDT	Severe Thunderstorm Warning	LUB	Hall	65 min
May 23, 5:08 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe	37 min
May 23, 5:47 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	48 min
May 23, 6:19 PM CDT	Flash Flood Warning	LUB	Briscoe, Hall	2 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.