Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 54, NWS Huntsville, AL

June 6, 2014Lauderdale County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jun 6, 2014, 5:05 PM CDT for Lauderdale County, Alabama. It was in force for 25 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
Jun 6, 2014, 5:05 PM CDT (22:05 UTC)
Expired
Jun 6, 2014, 5:30 PM CDT
In force
25 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 22:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 6, 11:51 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.1 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2014-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 94 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2014-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
94 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 Jun 6, 4:41 PM CDT, 24 minutes earlier.

Area forecast discussion, Jun 6, 4:41 PM CDT, 24 minutes before
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Hazardous weather outlook, Jun 6, 1:32 PM CDT, 3 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HUNTSVILLE AL
132 PM CDT FRI JUN 6 2014

ALZ001>010-016-TNZ076-096-097-070200-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
132 PM CDT FRI JUN 6 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS
OF SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

MORE WIDESPREAD STORMS WILL PERSIST THROUGH THE EARLY EVENING
HOURS...MAINLY IN NORTH ALABAMA. SOME OF THESE STORMS COULD PRODUCE
DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

A STALLED COLD FRONT WILL KEEP SCATTERED SHOWERS AND THUNDERSTORMS IN
THE FORECAST THROUGH EARLY NEXT WEEK. STRONG TO SEVERE STORMS REMAIN
POSSIBLE DURING THIS PERIOD...WITH THE PRIMARY THREATS BEING GUSTY
WINDS AND LOCALLY HEAVY DOWNPOURS.

STORMS WILL BECOME MORE ORGANIZED AS ANOTHER FRONT SLOWLY MOVES
ACROSS THE REGION AROUND THE MIDDLE OF NEXT WEEK.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
REQUESTED THROUGH THIS EVENING.

BCC

In the hours before

Special weather statement, Jun 6, 3:49 PM CDT, 1 hour 16 minutes before
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Special weather statement, Jun 6, 4:12 PM CDT, 53 minutes before
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Special weather statement, Jun 6, 4:15 PM CDT, 50 minutes before
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Special weather statement, Jun 6, 4:30 PM CDT, 35 minutes before
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Special weather statement, Jun 6, 4:52 PM CDT, 13 minutes before
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Special weather statement, Jun 6, 4:58 PM CDT, 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 4:14 AM CDTSpecial Weather StatementHUNLauderdale46 min
Jun 6, 10:55 AM CDTSpecial Weather StatementHUNJackson50 min
Jun 6, 12:19 PM CDTSpecial Weather StatementHUNLimestone26 min
Jun 6, 12:21 PM CDTSpecial Weather StatementHUNDeKalb9 min
Jun 6, 12:52 PM CDTSpecial Weather StatementHUNLimestone38 min
Jun 6, 12:54 PM CDTSpecial Weather StatementHUNLawrence51 min
Jun 6, 1:20 PM CDTSevere Thunderstorm WarningHUNLimestone, Madison, Morgan25 min
Jun 6, 1:45 PM CDTSpecial Weather StatementHUNMarshall, Morgan45 min
Jun 6, 1:51 PM CDTSpecial Weather StatementHUNLawrence24 min
Jun 6, 2:02 PM CDTSevere Thunderstorm WarningHUNCullman, Marshall, Morgan28 min
Jun 6, 2:23 PM CDTSpecial Weather StatementHUNMarshall52 min
Jun 6, 2:28 PM CDTSevere Thunderstorm WarningHUNCullman32 min
Jun 6, 2:31 PM CDTFlash Flood WarningHUNMarshall3 hr
Jun 6, 2:38 PM CDTSpecial Weather StatementHUNFranklin52 min
Jun 6, 3:00 PM CDTSevere Thunderstorm WarningHUNFranklin30 min
Jun 6, 3:17 PM CDTSpecial Weather StatementHUNFranklin43 min
Jun 6, 3:33 PM CDTFlash Flood WarningHUNFranklin3 hr
Jun 6, 3:38 PM CDTFlash Flood WarningHUNCullman3 hr
Jun 6, 3:41 PM CDTSpecial Weather StatementHUNColbert34 min
Jun 6, 3:45 PM CDTFlash Flood WatchHUNColbert, Cullman, Franklin, Lauderdale, Lawrence, Limestone and 1 more9 hr
Jun 6, 3:49 PM CDTSpecial Weather StatementHUNCullman26 min
Jun 6, 4:12 PM CDTSpecial Weather StatementHUNColbert, Lauderdale48 min
Jun 6, 4:15 PM CDTSpecial Weather StatementHUNLawrence45 min
Jun 6, 4:30 PM CDTSpecial Weather StatementHUNMorgan30 min
Jun 6, 4:52 PM CDTSpecial Weather StatementHUNCullman23 min
Jun 6, 4:58 PM CDTSpecial Weather StatementHUNLauderdale32 min
Jun 6, 5:24 PM CDTSpecial Weather StatementHUNLimestone36 min
Jun 6, 5:55 PM CDTSpecial Weather StatementHUNLimestone35 min
Jun 6, 6:19 PM CDTAreal Flood WarningHUNFranklin3 hr
Jun 6, 6:32 PM CDTSpecial Weather StatementHUNMadison28 min
Jun 6, 10:13 AM CDTSpecial Weather StatementHUNFranklin, Lincoln, Moore47 min
Jun 6, 12:01 PM CDTSpecial Weather StatementHUNLincoln29 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2014Every severe thunderstorm warning in 2014

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.