Alert archive / Texas / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 154, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Oct 12, 2006, 5:14 PM CDT for Matagorda County, Texas. It was in force for 46 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 12, 2006, 5:14 PM CDT (22:14 UTC)
- Expired
- Oct 12, 2006, 6:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
County Matagorda County, TX
The radar
The Houston radar (KHGX), 118 km from the middle of the area, began a volume at 22:15 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 12, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 10.2 hours before the alert went out and 176 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.
- Mixed-layer CAPE
- 2634 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 8.4
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 12, 2:54 PM CDT, 2 hours 20 minutes earlier.
Area forecast discussion, Oct 12, 2:54 PM CDT, 2 hours 20 minutes before
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Local storm report, Oct 12, 1:25 PM CDT, 3 hours 49 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 12:51 PM CDT | Tornado Warning | HGX | Brazoria | 39 min |
| Oct 12, 12:59 PM CDT | Special Marine Warning | HGX | 91 min | |
| Oct 12, 1:06 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 39 min |
| Oct 12, 1:25 PM CDT | Special Marine Warning | HGX | 95 min | |
| Oct 12, 1:30 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 30 min |
| Oct 12, 1:58 PM CDT | Special Marine Warning | HGX | 2 hr | |
| Oct 12, 4:35 PM CDT | Special Marine Warning | HGX | 55 min | |
| Oct 12, 5:05 PM CDT | Severe Thunderstorm Warning | HGX | Jackson | 25 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.