Alert archive / Alabama / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 76, NWS Huntsville, AL

June 10, 2014Cullman County, Morgan County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jun 10, 2014, 12:11 PM CDT for Cullman County, Morgan County, Alabama. It was in force for 23 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, 12:11 PM CDT (17:11 UTC)
Expired: Jun 10, 2014, 12:34 PM CDT
In force: 23 min
Issued by: NWS Huntsville, AL
Area: Storm-based polygon

Counties Cullman County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 100 km from the middle of the area, began a volume at 17:12 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.

Issued	Product	Office	Lasted
Jun 10, 10:51 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.2 hours before the alert went out and 124 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: 1808 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 462 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.4

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, 10:32 AM CDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jun 10, 10:32 AM CDT, 1 hour 39 minutes before

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Hazardous weather outlook, Jun 10, 11:30 AM CDT, 41 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, 7:27 AM CDT, 4 hours 44 minutes before

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Special weather statement, Jun 10, 11:19 AM CDT, 52 minutes before

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Special weather statement, Jun 10, 11:22 AM CDT, 49 minutes before

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Special weather statement, Jun 10, 12:03 PM CDT, 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1203 PM CDT TUE JUN 10 2014

ALZ007-016-101730-
CULLMAN AL-MORGAN AL-
1203 PM CDT TUE JUN 10 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CULLMAN AND SOUTHERN
MORGAN COUNTIES UNTIL 1230 PM CDT...

AT 1202 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
FALKVILLE...MOVING NORTHEAST AT 40 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DECATUR...CULLMAN...HARTSELLE...PRICEVILLE...GOOD HOPE...FALKVILLE...
DODGE CITY...BALDWIN...VINEMONT AND SOMERVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREE
LIMBS...ALONG WITH OTHER SMALL UNSECURED ITEMS. SEEK SAFE SHELTER
UNTIL THIS STORM HAS PASSED.

&&

LAT...LON 3409 8708 3460 8695 3455 8683 3455 8676
      3456 8674 3453 8656 3402 8691
TIME...MOT...LOC 1702Z 206DEG 34KT 3437 8687

BCC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 7:40 PM CDT	Special Weather Statement	HUN	Colbert, Franklin	50 min
Jun 9, 7:54 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Lauderdale	36 min
Jun 9, 7:58 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin	32 min
Jun 9, 8:02 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	28 min
Jun 9, 8:19 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale, Lawrence	26 min
Jun 9, 8:45 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Cullman, Lauderdale, Lawrence, Limestone, Morgan	30 min
Jun 9, 9:14 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Limestone, Madison, Marshall, Morgan	31 min
Jun 9, 9:45 PM CDT	Severe Thunderstorm Warning	HUN	Jackson, Madison, Marshall, Morgan	30 min
Jun 9, 9:47 PM CDT	Severe Thunderstorm Warning	HUN	Cullman	28 min
Jun 9, 10:17 PM CDT	Special Weather Statement	HUN	DeKalb, Jackson, Marshall	43 min
Jun 9, 11:01 PM CDT	Severe Thunderstorm Warning	HUN	Jackson	29 min
Jun 9, 11:03 PM CDT	Special Weather Statement	HUN	DeKalb	27 min
Jun 9, 11:30 PM CDT	Special Weather Statement	HUN	DeKalb	30 min
Jun 10, 7:27 AM CDT	Special Weather Statement	HUN	Lawrence	33 min
Jun 10, 11:19 AM CDT	Special Weather Statement	HUN	Lawrence	41 min
Jun 10, 11:22 AM CDT	Special Weather Statement	HUN	Cullman, Morgan	38 min
Jun 10, 12:03 PM CDT	Special Weather Statement	HUN	Cullman, Morgan	27 min
Jun 10, 12:29 PM CDT	Special Weather Statement	HUN	Madison	16 min
Jun 10, 12:39 PM CDT	Special Weather Statement	HUN	Cullman	36 min
Jun 10, 12:46 PM CDT	Special Weather Statement	HUN	Jackson	29 min
Jun 10, 1:15 PM CDT	Special Weather Statement	HUN	DeKalb	30 min
Jun 10, 1:18 PM CDT	Special Weather Statement	HUN	Jackson	42 min
Jun 10, 1:26 PM CDT	Severe Thunderstorm Warning	HUN	DeKalb	49 min
Jun 10, 1:35 PM CDT	Special Weather Statement	HUN	Jackson	40 min
Jun 10, 2:09 PM CDT	Special Weather Statement	HUN	Jackson	21 min
Jun 10, 2:15 PM CDT	Severe Thunderstorm Warning	HUN	Jackson	15 min
Jun 10, 2:03 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	12 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2014 Every 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.