Alert archive / Alabama / Red Flag Warnings in 2008

Red Flag Warning 6, NWS Huntsville, AL

January 30, 20084 counties in Alabama

NWS Huntsville, AL issued this red flag warning at Jan 30, 2008, 5:00 AM CST for 4 counties in Alabama. It took effect at Jan 30, 2008, 12:00 PM CST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 30, 2008, 5:00 AM CST (11:00 UTC)
In effect from: Jan 30, 2008, 12:00 PM CST
Expired: Jan 30, 2008, 6:00 PM CST
In force: 6 hr
Issued by: NWS Huntsville, AL

Counties DeKalb County, AL, Jackson County, AL, Madison County, AL, Marshall County, AL

The radar

The Northeast Alabama radar (KHTX), 38 km from the middle of the area, began a volume at 11:04 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

Birmingham, AL (KBMX), launched 00:00Z, 11.0 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1170 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 369 m²/s²
0-3 km storm-relative helicity: 504 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 red flag 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 red flag warning went out at Jan 30, 4:30 AM CST, 30 minutes earlier.

Area forecast discussion, Jan 30, 4:30 AM CST, 30 minutes before

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Hazardous weather outlook, Jan 30, 3:25 AM CST, 1 hour 35 minutes before

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In the hours before

Local storm report, Jan 29, 11:10 PM CST, 5 hours 50 minutes before

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Local storm report, Jan 29, 11:12 PM CST, 5 hours 48 minutes before

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Local storm report, Jan 29, 11:34 PM CST, 5 hours 26 minutes before

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Nearby

Red Flag Warnings in Alabama, 2008 Every red flag warning in 2008

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.