Alert archive / Alabama / Flash Flood Warnings in 2010

Flash Flood Warning 29, NWS Huntsville, AL

June 15, 2010Lawrence County, Alabama

NWS Huntsville, AL issued this flash flood warning at Jun 15, 2010, 2:41 PM CDT for Lawrence 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 15, 2010, 2:41 PM CDT (19:41 UTC)
Expired: Jun 15, 2010, 5:30 PM CDT
In force: 3 hr
Issued by: NWS Huntsville, AL
Area: Storm-based polygon
Flood severity: None

County Lawrence County, AL

The radar

The Columbus AFB radar (KGWX), 117 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 157 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: 2607 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1028 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 16 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 15, 1:40 PM CDT, 1 hour 1 minute earlier.

Area forecast discussion, Jun 15, 1:40 PM CDT, 1 hour 1 minute before

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Hazardous weather outlook, Jun 15, 1:05 PM CDT, 1 hour 36 minutes before

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In the hours before

Local storm report, Jun 15, 2:03 PM CDT, 38 minutes before

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Local storm report, Jun 15, 2:05 PM CDT, 36 minutes before

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Local storm report, Jun 15, 2:14 PM CDT, 27 minutes before

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Local storm report, Jun 15, 2:21 PM CDT, 20 minutes before

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Special weather statement, Jun 15, 2:22 PM CDT, 19 minutes before

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Local storm report, Jun 15, 2:37 PM CDT, 4 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 14, 7:25 PM CDT	Special Weather Statement	HUN	Lawrence	35 min
Jun 15, 11:04 AM CDT	Special Weather Statement	HUN	Limestone	41 min
Jun 15, 12:15 PM CDT	Special Weather Statement	HUN	Cullman	45 min
Jun 15, 12:24 PM CDT	Special Weather Statement	HUN	Lawrence	36 min
Jun 15, 12:29 PM CDT	Severe Thunderstorm Warning	HUN	Limestone, Morgan	46 min
Jun 15, 12:29 PM CDT	Severe Thunderstorm Warning	HUN	Lawrence	21 min
Jun 15, 12:48 PM CDT	Special Weather Statement	HUN	Morgan	42 min
Jun 15, 1:01 PM CDT	Severe Thunderstorm Warning	HUN	Limestone, Madison, Morgan	37 min
Jun 15, 1:04 PM CDT	Special Weather Statement	HUN	Lauderdale	56 min
Jun 15, 1:12 PM CDT	Severe Thunderstorm Warning	HUN	Marshall, Morgan	48 min
Jun 15, 1:14 PM CDT	Special Weather Statement	HUN	Limestone	61 min
Jun 15, 1:19 PM CDT	Severe Thunderstorm Warning	HUN	Cullman	56 min
Jun 15, 1:40 PM CDT	Special Weather Statement	HUN	Lawrence	50 min
Jun 15, 1:51 PM CDT	Severe Thunderstorm Warning	HUN	Jackson, Madison, Marshall	54 min
Jun 15, 2:22 PM CDT	Special Weather Statement	HUN	Jackson	38 min
Jun 15, 2:33 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb, Jackson	33 min
Jun 15, 2:52 PM CDT	Special Weather Statement	HUN	Lawrence	38 min
Jun 15, 3:10 PM CDT	Special Weather Statement	HUN	Franklin	50 min
Jun 15, 6:13 PM CDT	Special Weather Statement	HUN	Colbert, Franklin	62 min
Jun 14, 7:32 PM CDT	Special Weather Statement	HUN	Franklin	28 min
Jun 15, 2:45 PM CDT	Special Weather Statement	HUN	Moore	45 min
Jun 15, 2:57 PM CDT	Special Weather Statement	HUN	Franklin	48 min
Jun 15, 3:03 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	27 min
Jun 15, 3:22 PM CDT	Special Weather Statement	HUN	Franklin	23 min

Nearby

Flash Flood Warnings in Alabama, 2010 Every flash flood warning in 2010

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.