Alert archive / Tennessee / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 29, NWS Huntsville, AL

June 13, 2004Franklin County, Tennessee

NWS Huntsville, AL issued this severe thunderstorm warning at Jun 13, 2004, 3:45 PM CDT for Franklin County, Tennessee. It was in force for 45 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 13, 2004, 3:45 PM CDT (20:45 UTC)
Expired: Jun 13, 2004, 4:30 PM CDT
In force: 45 min
Issued by: NWS Huntsville, AL
Area: Counties, with a storm outline in the text

County Franklin County, TN

The radar

The Northeast Alabama radar (KHTX), 25 km from the middle of the area, began a volume at 20:44 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

Nashville Metro, TN (KBNA), launched 12:00Z, 8.8 hours before the alert went out and 118 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: 1101 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 13, 3:15 PM CDT, 30 minutes earlier.

Area forecast discussion, Jun 13, 3:15 PM CDT, 30 minutes before

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Hazardous weather outlook, Jun 13, 12:25 PM CDT, 3 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1225 PM CDT SUN JUN 13 2004

ALZ001>010-016-TNZ076-096-097-140200-
COLBERT-CULLMAN-DE KALB-FRANKLIN AL-FRANKLIN TN-JACKSON-LAUDERDALE-
LAWRENCE-LIMESTONE-LINCOLN-MADISON-MARSHALL-MOORE-MORGAN-
1225 PM CDT SUN JUN 13 2004

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

.DAY ONE...(TODAY AND TONIGHT)...

THERE WILL BE SCATTERED THUNDERSTORMS TODAY. A FEW THUNDERSTORMS
COULD BECOME SEVERE WITH ISOLATED GUSTS OF 60 MPH...HEAVY RAIN
AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...(MONDAY THROUGH SATURDAY)...

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

RAIN CHANCES WILL INCREASE FOR THE START OF THE WEEK...AS THE UPPER
AIR PATTERN BECOMES A LITTLE MORE UNSETTLED. THE BEST CHANCE OF
SUBSTANTIAL RAIN WILL BE ON MONDAY INTO EARLY TUESDAY.

DRIER WEATHER IS EXPECTED FOR THE SECOND HALF OF THE WORK WEEK AS
HIGH PRESSURE AND NORTHERLY WINDS TAKE OVER.

.SPOTTER CALL TO ACTION STATEMENT...

STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD MONITOR THE
LATEST WEATHER INFORMATION FOR POSSIBLE ACTIVATION THIS AFTERNOON
AND EVENING.

BURKS

In the hours before

Special weather statement, Jun 13, 1:57 PM CDT, 1 hour 48 minutes before

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Special weather statement, Jun 13, 3:30 PM CDT, 15 minutes before

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Local storm report, Jun 13, 3:36 PM CDT, 9 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 13, 2:03 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale	42 min
Jun 13, 2:43 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	47 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2004 Every severe thunderstorm warning in 2004

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.