Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 1, NWS Lubbock, TX

April 13, 2002Hale County, Texas

NWS Lubbock, TX issued this tornado warning at Apr 13, 2002, 4:42 PM CDT for Hale County, Texas. It was in force for 33 min. 2 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: Apr 13, 2002, 4:42 PM CDT (21:42 UTC)
Expired: Apr 13, 2002, 5:15 PM CDT
In force: 33 min
Issued by: NWS Lubbock, TX
Area: Counties, with a storm outline in the text

County Hale County, TX

The radar

The Lubbock radar (KLBB), 62 km from the middle of the area, began a volume at 21:44 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	Remark
Apr 13, 4:55 PM CDT	Hail 0.75	Plainview, TX
Apr 13, 5:10 PM CDT	Hail 1.75	Halfway, TX	The Hale County Sheriff's Office reported golfball size hail covering the ground.

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
Apr 13, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.7 hours before the alert went out and 114 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1354 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 96 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.

000 
WFUS54 KLUB 132142
TORLBB
TXC189-132215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
441 PM CDT SAT APR 13 2002

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* TORNADO WARNING FOR...
  HALE COUNTY IN NORTHWEST TEXAS

* UNTIL 515 PM CDT

* AT 438 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 2 MILES NORTH OF
  PLAINVIEW. THE TORNADO WAS MOVING EAST AT 25 MPH...THIS STORM COULD
  PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE... 
  PLAINVIEW AND SETH WARD...

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING
WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE PLACE NOW

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 7 4 5 4 2 6 0. 
LAT...LON 3426 10201 3410 10199 3411 10156 3431 10156

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 6:54 AM CDT	Severe Thunderstorm Warning	LUB	Swisher	51 min
Apr 13, 3:31 PM CDT	Severe Thunderstorm Warning	LUB	Swisher	44 min
Apr 13, 4:15 PM CDT	Severe Thunderstorm Warning	LUB	Hale, Swisher	45 min
Apr 13, 4:21 PM CDT	Severe Thunderstorm Warning	LUB	Hockley	39 min
Apr 13, 4:43 PM CDT	Severe Thunderstorm Warning	LUB	Floyd	47 min
Apr 13, 4:47 PM CDT	Tornado Warning	LUB	Hale	28 min
Apr 13, 4:59 PM CDT	Severe Thunderstorm Warning	LUB	Hockley	46 min
Apr 13, 5:04 PM CDT	Severe Thunderstorm Warning	LUB	Terry, Yoakum	41 min
Apr 13, 5:14 PM CDT	Severe Thunderstorm Warning	LUB	Hale	61 min
Apr 13, 5:47 PM CDT	Severe Thunderstorm Warning	LUB	Terry, Yoakum	43 min

Nearby

Tornado Warnings in Texas, 2002 Every tornado warning in 2002 Tornadoes 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.