Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 4, NWS Lubbock, TX

April 15, 2003Childress County, Cottle County, Texas

NWS Lubbock, TX issued this tornado warning at Apr 15, 2003, 6:58 PM CDT for Childress County, Cottle County, Texas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 15, 2003, 6:58 PM CDT (23:58 UTC)
Expired
Apr 15, 2003, 7:30 PM CDT
In force
32 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

Counties Childress County, TX, Cottle County, TX

The radar

The Altus AFB radar (KFDR), 115 km from the middle of the area, began a volume at 00:03 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 15, 5:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 12.0 hours before the alert went out and 168 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 2003-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2003-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2381 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
71 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.

748 
WFUS54 KLUB 152358
TORLBB
TXC075-101-160030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
658 PM CDT TUE APR 15 2003

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* TORNADO WARNING FOR...
  CHILDRESS COUNTY IN THE PANHANDLE OF TEXAS
  COTTLE COUNTY IN NORTHWEST TEXAS

* UNTIL 730 PM CDT

* AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 12 MILES WEST OF
  KIRKLAND...OR ABOUT 7 MILES SOUTH OF CHILDRESS...MOVING EAST AT 45
  MPH...THIS STORM COULD PRODUCE A TORNADO AT ANY TIME. THIS TORNADO 
  COULD BE LOCATED RIGHT ALONG THE CHILDRESS AND COTTLE COUNTY LINE.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  KIRKLAND...
  LAZARE...

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 1 2 9 0.

LAT...LON 3439 10038 3419 10033 3425 10001 3444 10002

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 6:07 PM CDTSevere Thunderstorm WarningLUBMotley23 min
Apr 15, 6:20 PM CDTTornado WarningLUBHall, Motley40 min
Apr 15, 6:29 PM CDTSevere Thunderstorm WarningLUBFloyd46 min
Apr 15, 6:41 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle34 min
Apr 15, 6:45 PM CDTSevere Thunderstorm WarningLUBCrosby30 min

Nearby

Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.