Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 97, NWS Lubbock, TX

June 4, 2002Floyd County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 4, 2002, 5:40 PM CDT for Floyd County, Texas. It was in force for 65 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 4, 2002, 5:40 PM CDT (22:40 UTC)
Expired
Jun 4, 2002, 6:45 PM CDT
In force
65 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

County Floyd County, TX

The radar

The Lubbock radar (KLBB), 66 km from the middle of the area, began a volume at 22:43 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

TimeReportWhereRemark
Jun 4, 6:08 PM CDTHail 1Floydada, TX
Jun 4, 6:12 PM CDTHail 1.75Floydada, TXThe Floyd County Sheriff's office reported golfball size hail.
Jun 4, 6:15 PM CDTHail 2.75Floydada, TXBaseball size hail was reported in town. The hail damaged automobiles and the roofs of many homes.
Jun 4, 6:16 PM CDTHail 1Barwise, TX
Jun 4, 6:38 PM CDTHail 1Dougherty, 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.

IssuedProductOfficeLasted
Jun 4, 2:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 129 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 12:00Z on 2002-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4073 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 12:00Z on 2002-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.19395878Sfc1 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
4073 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
958 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

243 
WUUS54 KLUB 042240
SVRLBB
TXC153-042345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
538 PM CDT TUE JUN 4 2002

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FLOYD COUNTY IN NORTHWEST TEXAS

* UNTIL 645 PM CDT

* AT 533 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL LARGER THAN        
  GOLFBALLS 20 MILES SOUTHWEST OF FLOYDADA...OR ABOUT 11 MILES       
  EAST OF ABERNATHY...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  AIKEN...
  FLOYDADA AND LOCKNEY...
  SOUTH PLAINS AND DOUGHERTY...
  CEDAR HILL...

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE HAIL...DAMAGING
WINDS...DEADLY LIGHTNING...AND HEAVY RAIN.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 7 4 5 1 2 9 0.

LAT...LON 3428 10154 3384 10156 3384 10106 3429 10107

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 12:10 PM CDTSevere Thunderstorm WarningLUBHall50 min
Jun 4, 12:58 PM CDTSevere Thunderstorm WarningLUBChildress, Hall47 min
Jun 4, 1:26 PM CDTSevere Thunderstorm WarningLUBKing49 min
Jun 4, 1:48 PM CDTSevere Thunderstorm WarningLUBChildress42 min
Jun 4, 1:58 PM CDTSevere Thunderstorm WarningLUBCottle47 min
Jun 4, 2:06 PM CDTSevere Thunderstorm WarningLUBBailey54 min
Jun 4, 2:26 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock49 min
Jun 4, 2:40 PM CDTSevere Thunderstorm WarningLUBHale50 min
Jun 4, 2:47 PM CDTSevere Thunderstorm WarningLUBCottle, Motley43 min
Jun 4, 3:07 PM CDTTornado WarningLUBLubbock23 min
Jun 4, 3:30 PM CDTSevere Thunderstorm WarningLUBLubbock45 min
Jun 4, 3:30 PM CDTSevere Thunderstorm WarningLUBHale60 min
Jun 4, 4:01 PM CDTSevere Thunderstorm WarningLUBFloyd44 min
Jun 4, 4:15 PM CDTSevere Thunderstorm WarningLUBLubbock45 min
Jun 4, 4:44 PM CDTSevere Thunderstorm WarningLUBFloyd, Motley46 min
Jun 4, 4:57 PM CDTFlash Flood WarningLUBHale, Lubbock2 hr
Jun 4, 4:57 PM CDTSevere Thunderstorm WarningLUBHale, Lubbock48 min
Jun 4, 5:06 PM CDTTornado WarningLUBMotley24 min
Jun 4, 5:27 PM CDTSevere Thunderstorm WarningLUBCottle, Motley48 min
Jun 4, 5:45 PM CDTSevere Thunderstorm WarningLUBHale30 min
Jun 4, 6:12 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle33 min
Jun 4, 6:28 PM CDTSevere Thunderstorm WarningLUBStonewall47 min
Jun 4, 6:34 PM CDTSevere Thunderstorm WarningLUBMotley41 min
Jun 4, 6:48 PM CDTSevere Thunderstorm WarningLUBHockley42 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002

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.