Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 170, NWS Lubbock, TX

September 15, 2006Swisher County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Sep 15, 2006, 7:00 PM CDT for Swisher County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 15, 2006, 7:00 PM CDT (00:00 UTC)
Expired
Sep 15, 2006, 7:45 PM CDT
In force
45 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

County Swisher County, TX

The radar

The Amarillo radar (KAMA), 78 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.0 hours before the alert went out and 78 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 2006-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1585 joules per kilogram.LCLEL10008507005003002001001 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 2006-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
1585 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1702 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.4
Supercell composite
11.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 7:16 PM CDTSevere Thunderstorm WarningLUBBriscoe44 min
Sep 15, 7:25 PM CDTSevere Thunderstorm WarningLUBHockley50 min
Sep 15, 7:58 PM CDTSevere Thunderstorm WarningLUBHale, Lubbock62 min
Sep 15, 8:54 PM CDTSevere Thunderstorm WarningLUBYoakum36 min
Sep 15, 8:59 PM CDTSevere Thunderstorm WarningLUBHale, Lubbock28 min
Sep 15, 9:09 PM CDTSevere Thunderstorm WarningLUBTerry51 min
Sep 15, 10:00 PM CDTSevere Thunderstorm WarningLUBTerry17 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning in 2006

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.