Alert archive / Alabama / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 133, NWS Huntsville, AL

August 6, 2003Colbert County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Aug 6, 2003, 5:32 PM CDT for Colbert County, Alabama. It was in force for 43 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, 2003, 5:32 PM CDT (22:32 UTC)
Expired: Aug 6, 2003, 6:15 PM CDT
In force: 43 min
Issued by: NWS Huntsville, AL
Area: Counties, with a storm outline in the text

County Colbert County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.5 hours before the alert went out and 193 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: 127 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1148 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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, 1:42 PM CDT, 3 hours 50 minutes earlier.

Area forecast discussion, Aug 6, 1:42 PM CDT, 3 hours 50 minutes before

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Hazardous weather outlook, Aug 6, 4:07 PM CDT, 1 hour 25 minutes before

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In the hours before

Special weather statement, Aug 6, 4:37 PM CDT, 55 minutes before

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Special weather statement, Aug 6, 4:57 PM CDT, 35 minutes before

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Special weather statement, Aug 6, 5:15 PM CDT, 17 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, 9:22 AM CDT	Flash Flood Warning	HUN	Lauderdale, Limestone	3 hr
Aug 6, 9:53 AM CDT	Severe Thunderstorm Warning	HUN	Madison, Marshall	37 min
Aug 6, 5:11 PM CDT	Severe Thunderstorm Warning	HUN	Lauderdale	49 min
Aug 6, 5:37 PM CDT	Severe Thunderstorm Warning	HUN	Madison	23 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2003 Every severe thunderstorm warning in 2003

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.