Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 126, NWS Houston/Galveston, TX

June 14, 2007Harris County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 14, 2007, 1:59 PM CDT for Harris 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: Jun 14, 2007, 1:59 PM CDT (18:59 UTC)
Expired: Jun 14, 2007, 2:45 PM CDT
In force: 46 min
Issued by: NWS Houston/Galveston, TX
Area: Counties, with a storm outline in the text

County Harris County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.0 hours before the alert went out and 213 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 906 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1192 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: -8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 14, 10:11 AM CDT, 3 hours 48 minutes earlier.

Area forecast discussion, Jun 14, 10:11 AM CDT, 3 hours 48 minutes before

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Hazardous weather outlook, Jun 14, 8:45 AM CDT, 5 hours 14 minutes before

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In the hours before

Local storm report, Jun 14, 11:19 AM CDT, 2 hours 40 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 3:36 PM CDT	Severe Thunderstorm Warning	HGX	Houston	39 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007 Every severe thunderstorm warning in 2007

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.