Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 182, NWS Houston/Galveston, TX

October 31, 2005Chambers County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Oct 31, 2005, 5:23 PM CST for Chambers County, Texas. It was in force for 52 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
Oct 31, 2005, 5:23 PM CST (23:23 UTC)
Expired
Oct 31, 2005, 6:15 PM CST
In force
52 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

County Chambers County, TX

The radar

The Houston radar (KHGX), 47 km from the middle of the area, began a volume at 23:26 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
Oct 31, 3:10 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.4 hours before the alert went out and 320 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, Shreveport, LA at 12:00Z on 2005-10-31Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2005-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1173 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 31, 2:35 PM CSTSevere Thunderstorm WarningHGXBrazos, Burleson40 min
Oct 31, 2:35 PM CSTSevere Thunderstorm WarningHGXBrazos, Burleson40 min
Oct 31, 2:54 PM CSTSevere Thunderstorm WarningHGXWashington51 min
Oct 31, 3:09 PM CSTSevere Thunderstorm WarningHGXAustin51 min
Oct 31, 3:49 PM CSTSevere Thunderstorm WarningHGXWaller41 min
Oct 31, 3:54 PM CSTSevere Thunderstorm WarningHGXHarris66 min
Oct 31, 4:36 PM CSTSpecial Marine WarningHGX114 min
Oct 31, 4:41 PM CSTSevere Thunderstorm WarningHGXWharton64 min
Oct 31, 5:26 PM CSTSpecial Marine WarningHGX94 min
Oct 31, 5:31 PM CSTSpecial Marine WarningHGX89 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005Every severe thunderstorm warning in 2005

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.