Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 79, NWS Huntsville, AL

June 10, 2014Jackson County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jun 10, 2014, 2:15 PM CDT for Jackson County, Alabama. It was in force for 15 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 10, 2014, 2:15 PM CDT (19:15 UTC)
Expired
Jun 10, 2014, 2:30 PM CDT
In force
15 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County Jackson County, AL

The radar

The Northeast Alabama radar (KHTX), 19 km from the middle of the area, began a volume at 19:14 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 10, 10:51 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.3 hours before the alert went out and 160 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 2014-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2014-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
109 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 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 10, 1:55 PM CDT, 20 minutes earlier.

Area forecast discussion, Jun 10, 1:55 PM CDT, 20 minutes before
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Hazardous weather outlook, Jun 10, 11:30 AM CDT, 2 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1130 AM CDT TUE JUN 10 2014

ALZ001>010-016-TNZ076-096-097-110200-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
1130 AM CDT TUE JUN 10 2014

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

.DAY ONE...TONIGHT...

THUNDERSTORMS WILL CONTINUE TO DEVELOP INTO THE AFTERNOON HOURS.
SOME OF THESE STORMS COULD BE STRONG TO SEVERE...PRODUCING DAMAGING
WINDS...SMALL HAIL AND HEAVY RAINFALL. HEAVY RAINFALL AND SATURATED
SOILS COULD LEAD TO SOME FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

PERIODS OF SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN...WILL
MOVE ACROSS THE REGION THROUGH MID WEEK...AS A SERIES OF UPPER
LEVEL SYSTEMS ADVANCE FROM THE SOUTHERN PLAINS TO THE OHIO VALLEY.
THIS MAY LEAD TO OCCURRENCES OF FLASH FLOODING THROUGH WEDNESDAY
NIGHT. IN ADDITION...A FEW STRONG THUNDERSTORMS...CAPABLE OF
GUSTY WINDS AND SMALL HAIL WILL ALSO BE POSSIBLE.

A DRIER PERIOD IS EXPECTED TOWARD THE END OF THE WEEK...BEFORE
ADDITIONAL DISTURBANCES RETURN A CHANCE OF SHOWERS AND THUNDERSTORMS
TO THE FORECAST OVER THE WEEKEND.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
POSSIBLE THIS AFTERNOON AND EVENING.

TT

In the hours before

Special weather statement, Jun 10, 1:18 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
118 PM CDT TUE JUN 10 2014

ALZ006-009-101900-
MADISON AL-JACKSON AL-
118 PM CDT TUE JUN 10 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MADISON AND
NORTHWESTERN JACKSON COUNTIES UNTIL 200 PM CDT...

AT 118 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR
GURLEY...OR 15 MILES EAST OF HUNTSVILLE...MOVING NORTH AT 30 MPH.

PENNY SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
OWENS CROSS ROADS...SKYLINE...GURLEY...WOODVILLE...PLEASANT GROVES...
HYTOP...PAINT ROCK...HOLLYTREE...PRINCETON AND JERICHO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY
LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3460 8624 3460 8631 3458 8630 3458 8631
      3462 8646 3499 8634 3499 8601
TIME...MOT...LOC 1818Z 200DEG 26KT 3466 8633

BCC/12
Local storm report, Jun 10, 1:35 PM CDT, 40 minutes before
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Special weather statement, Jun 10, 1:35 PM CDT, 40 minutes before
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Local storm report, Jun 10, 1:50 PM CDT, 25 minutes before
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Local storm report, Jun 10, 2:04 PM CDT, 11 minutes before
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Special weather statement, Jun 10, 2:09 PM CDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:40 PM CDTSpecial Weather StatementHUNColbert, Franklin50 min
Jun 9, 7:54 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale36 min
Jun 9, 7:58 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin32 min
Jun 9, 8:02 PM CDTSevere Thunderstorm WarningHUNFranklin28 min
Jun 9, 8:19 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lauderdale, Lawrence26 min
Jun 9, 8:45 PM CDTSevere Thunderstorm WarningHUNColbert, Cullman, Lauderdale, Lawrence, Limestone, Morgan30 min
Jun 9, 9:14 PM CDTSevere Thunderstorm WarningHUNCullman, Limestone, Madison, Marshall, Morgan31 min
Jun 9, 9:45 PM CDTSevere Thunderstorm WarningHUNJackson, Madison, Marshall, Morgan30 min
Jun 9, 9:47 PM CDTSevere Thunderstorm WarningHUNCullman28 min
Jun 9, 10:17 PM CDTSpecial Weather StatementHUNDeKalb, Jackson, Marshall43 min
Jun 9, 11:01 PM CDTSevere Thunderstorm WarningHUNJackson29 min
Jun 9, 11:03 PM CDTSpecial Weather StatementHUNDeKalb27 min
Jun 9, 11:30 PM CDTSpecial Weather StatementHUNDeKalb30 min
Jun 10, 7:27 AM CDTSpecial Weather StatementHUNLawrence33 min
Jun 10, 11:19 AM CDTSpecial Weather StatementHUNLawrence41 min
Jun 10, 11:22 AM CDTSpecial Weather StatementHUNCullman, Morgan38 min
Jun 10, 12:03 PM CDTSpecial Weather StatementHUNCullman, Morgan27 min
Jun 10, 12:11 PM CDTSevere Thunderstorm WarningHUNCullman, Morgan23 min
Jun 10, 12:29 PM CDTSpecial Weather StatementHUNMadison16 min
Jun 10, 12:39 PM CDTSpecial Weather StatementHUNCullman36 min
Jun 10, 12:46 PM CDTSpecial Weather StatementHUNJackson29 min
Jun 10, 1:15 PM CDTSpecial Weather StatementHUNDeKalb30 min
Jun 10, 1:18 PM CDTSpecial Weather StatementHUNJackson42 min
Jun 10, 1:26 PM CDTSevere Thunderstorm WarningHUNDeKalb49 min
Jun 10, 1:35 PM CDTSpecial Weather StatementHUNJackson40 min
Jun 10, 2:09 PM CDTSpecial Weather StatementHUNJackson21 min
Jun 10, 2:03 PM CDTSevere Thunderstorm WarningHUNFranklin12 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.