Alert archive / Alabama / Flash Flood Warnings in 2013

Flash Flood Warning 11, NWS Huntsville, AL

June 5, 2013Colbert County, Lauderdale County, Alabama

NWS Huntsville, AL issued this flash flood warning at Jun 5, 2013, 10:28 AM CDT for Colbert County, Lauderdale County, Alabama. It was in force for 3 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: Jun 5, 2013, 10:28 AM CDT (15:28 UTC)
Expired: Jun 5, 2013, 1:30 PM CDT
In force: 3 hr
Issued by: NWS Huntsville, AL
Area: Storm-based polygon
Flood severity: None

Counties Colbert County, AL, Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 115 km from the middle of the area, began a volume at 15:30 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 12:00Z, 3.5 hours before the alert went out and 200 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: 2499 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 459 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 30 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 flash flood 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 flash flood warning went out at Jun 5, 10:20 AM CDT, 8 minutes earlier.

Area forecast discussion, Jun 5, 10:20 AM CDT, 8 minutes before

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Hazardous weather outlook, Jun 5, 8:29 AM CDT, 1 hour 59 minutes before

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In the hours before

Special weather statement, Jun 5, 8:36 AM CDT, 1 hour 52 minutes before

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Local storm report, Jun 5, 8:49 AM CDT, 1 hour 39 minutes before

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Local storm report, Jun 5, 8:56 AM CDT, 1 hour 32 minutes before

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Special weather statement, Jun 5, 9:04 AM CDT, 1 hour 24 minutes before

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Special weather statement, Jun 5, 9:33 AM CDT, 55 minutes before

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Special weather statement, Jun 5, 10:08 AM CDT, 20 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
Jun 5, 7:49 AM CDT	Special Weather Statement	HUN	Colbert	56 min
Jun 5, 8:16 AM CDT	Flash Flood Warning	HUN	Colbert	3 hr
Jun 5, 8:36 AM CDT	Special Weather Statement	HUN	Franklin	69 min
Jun 5, 8:55 AM CDT	Severe Thunderstorm Warning	HUN	Colbert, Lawrence	35 min
Jun 5, 9:04 AM CDT	Special Weather Statement	HUN	Lawrence	41 min
Jun 5, 9:33 AM CDT	Special Weather Statement	HUN	Colbert	27 min
Jun 5, 10:08 AM CDT	Special Weather Statement	HUN	Lauderdale	52 min
Jun 5, 10:44 AM CDT	Special Weather Statement	HUN	DeKalb, Jackson, Madison, Marshall	61 min
Jun 5, 12:04 PM CDT	Flash Flood Warning	HUN	Lauderdale	3 hr
Jun 5, 12:48 PM CDT	Special Weather Statement	HUN	Limestone	42 min
Jun 5, 1:20 PM CDT	Severe Thunderstorm Warning	HUN	Jackson	25 min
Jun 5, 4:26 PM CDT	Special Weather Statement	HUN	Lawrence	49 min
Jun 5, 5:17 PM CDT	Special Weather Statement	HUN	Limestone	43 min
Jun 5, 10:40 AM CDT	Special Weather Statement	HUN	Franklin, Lincoln, Moore	65 min

Nearby

Flash Flood Warnings in Alabama, 2013 Every flash flood warning in 2013

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.