Alert archive / Alabama / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 151, NWS Huntsville, AL

August 6, 2005Lauderdale County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Aug 6, 2005, 3:25 PM CDT for Lauderdale County, Alabama. It was in force for 35 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: Aug 6, 2005, 3:25 PM CDT (20:25 UTC)
Expired: Aug 6, 2005, 4:00 PM CDT
In force: 35 min
Issued by: NWS Huntsville, AL
Area: Counties, with a storm outline in the text

County Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 20:26 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.4 hours before the alert went out and 167 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: 583 J/kg
Mixed-layer CIN: -153 J/kg
Mixed-layer LCL: 1363 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 11 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 Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 2:58 PM CDT, 27 minutes earlier.

Area forecast discussion, Aug 6, 2:58 PM CDT, 27 minutes before

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Hazardous weather outlook, Aug 6, 10:42 AM CDT, 4 hours 43 minutes before

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In the hours before

Special weather statement, Aug 6, 1:30 PM CDT, 1 hour 55 minutes before

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Special weather statement, Aug 6, 2:07 PM CDT, 1 hour 18 minutes before

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Special weather statement, Aug 6, 2:10 PM CDT, 1 hour 15 minutes before

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Special weather statement, Aug 6, 3:14 PM CDT, 11 minutes before

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Special weather statement, Aug 6, 3:16 PM CDT, 9 minutes before

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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 6, 3:39 AM CDT	Severe Thunderstorm Warning	HUN	Lawrence, Morgan	51 min
Aug 6, 2:25 PM CDT	Severe Thunderstorm Warning	HUN	Limestone	34 min
Aug 6, 4:38 PM CDT	Severe Thunderstorm Warning	HUN	Colbert	38 min
Aug 6, 5:13 PM CDT	Severe Thunderstorm Warning	HUN	Jackson	36 min
Aug 6, 5:20 PM CDT	Severe Thunderstorm Warning	HUN	Madison	29 min
Aug 6, 1:46 PM CDT	Severe Thunderstorm Warning	HUN	Moore	44 min
Aug 6, 2:19 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	21 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2005 Every 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.