Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 183, NWS Lubbock, TX

June 11, 1999Lubbock County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 11, 1999, 9:56 PM CDT for Lubbock County, Texas. It was in force for 49 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
Jun 11, 1999, 9:56 PM CDT (02:56 UTC)
Expired
Jun 11, 1999, 10:45 PM CDT
In force
49 min
Issued by
NWS Lubbock, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lubbock County, TX

The radar

The Lubbock radar (KLBB), 5 km from the middle of the area, began a volume at 02:55 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 11, 10:41 PM CDTHail 0.88Lubbock, TX
Jun 11, 10:42 PM CDTThunderstorm Wind 56Lubbock, TX
Jun 11, 10:42 PM CDTThunderstorm Wind 84Lubbock, TXA 97 mph wind gust was recorded by the wind equipment at KAMC-TV.

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, 2.9 hours before the alert went out and 180 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 00:00Z on 1999-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 753 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1999-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
753 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
1089 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:19 PM CDTSevere Thunderstorm WarningLUBTerry56 min
Jun 11, 7:30 PM CDTSevere Thunderstorm WarningLUBLubbock45 min
Jun 11, 7:54 PM CDTTornado WarningLUBLynn51 min
Jun 11, 8:04 PM CDTSevere Thunderstorm WarningLUBCrosby41 min
Jun 11, 8:20 PM CDTSevere Thunderstorm WarningLUBGarza55 min
Jun 11, 8:45 PM CDTFlash Flood WarningLUBHockley, Lynn3 hr
Jun 11, 8:58 PM CDTFlash Flood WarningLUBLubbock3 hr
Jun 11, 8:59 PM CDTFlash Flood WarningLUBCrosby3 hr
Jun 11, 9:06 PM CDTFlash Flood WarningLUBFloyd, Hale3 hr
Jun 11, 9:10 PM CDTFlash Flood WarningLUBTerry3 hr
Jun 11, 9:38 PM CDTSevere Thunderstorm WarningLUBHockley52 min
Jun 11, 10:37 PM CDTFlash Flood WarningLUBKent113 min
Jun 11, 10:44 PM CDTSevere Thunderstorm WarningLUBLubbock46 min
Jun 11, 10:50 PM CDTSevere Thunderstorm WarningLUBLynn40 min
Jun 11, 11:25 PM CDTSevere Thunderstorm WarningLUBGarza50 min
Jun 11, 11:29 PM CDTSevere Thunderstorm WarningLUBLynn31 min
Jun 11, 11:45 PM CDTFlash Flood WarningLUBCrosby, Dickens, Floyd, Motley3 hr
Jun 11, 11:45 PM CDTFlash Flood WarningLUBGarza, Kent3 hr
Jun 12, 12:17 AM CDTSevere Thunderstorm WarningLUBGarza43 min
Jun 12, 1:43 AM CDTFlash Flood WarningLUBCastro, Parmer3 hr
Jun 12, 3:03 AM CDTFlash Flood WarningLUBCrosby, Floyd, Garza, Hale, Hockley, Lamb and 1 more3 hr
Jun 12, 6:00 AM CDTFlash Flood WarningLUBGarza, Kent105 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning 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.