Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 27, NWS Lubbock, TX

May 25, 1999Hale County, Lamb County, Texas

NWS Lubbock, TX issued this tornado warning at May 25, 1999, 4:33 PM CDT for Hale County, Lamb County, Texas. It was in force for 42 min. 2 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 25, 1999, 4:33 PM CDT (21:33 UTC)
Expired
May 25, 1999, 5:15 PM CDT
In force
42 min
Issued by
NWS Lubbock, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Hale County, TX, Lamb County, TX

The radar

The Lubbock radar (KLBB), 53 km from the middle of the area, began a volume at 21:36 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
May 25, 4:53 PM CDTHail 2.75Halfway, TX
May 25, 5:25 PM CDTHail 2.75Plainview, 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
May 25, 4:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.6 hours before the alert went out and 134 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 1999-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 1999-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 km3 km6 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
1477 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 25, 11:32 AM CDT, 5 hours 1 minute before
TXZ021>044-251900-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
1132 AM CDT TUE MAY 25 1999

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE SOUTH
PLAINS...THE LOW ROLLING PLAINS AND THE SOUTHERN PANHANDLE THROUGH
TONIGHT.

AN UPPER LEVEL LOW LOCATED OVER NORTHERN ARIZONA THIS MORNING
WILL MOVE SLOWLY EASTWARD TODAY. A VERY UNSTABLE ATMOSPHERE WILL
REMAIN OVER WEST TEXAS AND EASTERN NEW MEXICO.

IMPULSES MOVING INTO THE REGION AHEAD OF THE UPPER LEVEL LOW...
SURFACE CONVERGENCE BOUNDARIES AND THE UNSTABLE ATMOSPHERE WILL
COMBINE TO PRODUCE THUNDERSTORMS THIS AFTERNOON AND TONIGHT. SOME
OF THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND
DAMAGING WIND WITH ISOLATED TORNADOS ALSO POSSIBLE.

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT
ACROSS THE SOUTH PLAINS...THE LOW ROLLING PLAINS AND THE SOUTHERN
PANHANDLE.

JV

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 10:19 PM CDTSevere Thunderstorm WarningLUBBailey, Parmer41 min
May 24, 10:29 PM CDTSevere Thunderstorm WarningLUBCochran, Yoakum46 min
May 24, 11:00 PM CDTSevere Thunderstorm WarningLUBTerry60 min
May 24, 11:11 PM CDTSevere Thunderstorm WarningLUBBailey, Castro, Lamb, Parmer49 min
May 24, 11:50 PM CDTSevere Thunderstorm WarningLUBHale, Swisher55 min
May 24, 11:56 PM CDTFlash Flood WarningLUBHockley3 hr
May 25, 3:31 PM CDTSevere Thunderstorm WarningLUBCastro, Lamb59 min
May 25, 4:15 PM CDTSevere Thunderstorm WarningLUBHale60 min
May 25, 4:21 PM CDTTornado WarningLUBLamb24 min
May 25, 4:27 PM CDTSevere Thunderstorm WarningLUBCastro63 min
May 25, 4:31 PM CDTSevere Thunderstorm WarningLUBCrosby59 min
May 25, 4:49 PM CDTTornado WarningLUBCrosby56 min
May 25, 5:13 PM CDTTornado WarningLUBHale47 min
May 25, 5:32 PM CDTTornado WarningLUBCastro13 min
May 25, 5:35 PM CDTTornado WarningLUBFloyd55 min
May 25, 5:41 PM CDTTornado WarningLUBDickens64 min
May 25, 5:44 PM CDTTornado WarningLUBCrosby31 min
May 25, 6:10 PM CDTTornado WarningLUBKent65 min
May 25, 6:16 PM CDTSevere Thunderstorm WarningLUBCrosby44 min
May 25, 6:25 PM CDTSevere Thunderstorm WarningLUBFloyd50 min
May 25, 6:43 PM CDTSevere Thunderstorm WarningLUBDickens62 min
May 25, 6:54 PM CDTTornado WarningLUBDickens51 min

Nearby

Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999

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.