Alert archive / Tennessee / Flash Flood Warnings in 2008

Flash Flood Warning 16, NWS Huntsville, AL

June 13, 2008Lincoln County, Tennessee

NWS Huntsville, AL issued this flash flood warning at Jun 13, 2008, 12:14 PM CDT for Lincoln County, Tennessee. It was in force for 43 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, 2008, 12:14 PM CDT (17:14 UTC)
Expired
Jun 13, 2008, 12:57 PM CDT
In force
43 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

County Lincoln County, TN

The radar

The Northeast Alabama radar (KHTX), 52 km from the middle of the area, began a volume at 17:15 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, 5.2 hours before the alert went out and 110 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 2008-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 907 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 2008-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
907 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1074 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-40 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 13, 9:55 AM CDT, 2 hours 19 minutes earlier.

Area forecast discussion, Jun 13, 9:55 AM CDT, 2 hours 19 minutes before
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Hazardous weather outlook, Jun 13, 10:06 AM CDT, 2 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1006 AM CDT FRI JUN 13 2008

ALZ001>010-016-TNZ076-096-097-140300-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
1006 AM CDT FRI JUN 13 2008

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

.DAY ONE...TODAY AND TONIGHT...

SCATTERED STRONG THUNDERSTORMS WILL DEVELOP THROUGH THE DAY.  GIVEN
UNSTABLE AND MOIST CONDITIONS...LOCALLY HEAVY RAINFALL AND FREQUENT
LIGHTNING ARE THE PRIMARY HAZARDS.  A FEW OF THE STORMS COULD BECOME
SEVERE FOR A BRIEF PERIOD...CAPABLE OF DAMAGING WINDS.  THE HEAVY
DOWNPOURS COULD ALSO CAUSE SOME MINOR STREET FLOODING AS WELL.

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

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE TO AFFECT THE
CENTRAL TENNESSEE VALLEY ON SATURDAY AS A COOL FRONT APPROACHES THE
REGION. LOCALLY HEAVY RAINFALL...AND GUSTY OUTFLOW WINDS ARE
POSSIBLE WITH THESE THUNDERSTORMS.

SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AGAIN ON WEDNESDAY AND
THURSDAY AS AN UPPER LEVEL SYSTEM MOVES ACROSS THE AREA.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL
IS NOT ANTICIPATED AT THIS TIME.

KULA

In the hours before

Special weather statement, Jun 13, 11:22 AM CDT, 52 minutes before
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Special weather statement, Jun 13, 11:38 AM CDT, 36 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 4:44 PM CDTSevere Thunderstorm WarningHUNLimestone31 min
Jun 13, 11:54 AM CDTSevere Thunderstorm WarningHUNLincoln36 min
Jun 13, 12:07 PM CDTSevere Thunderstorm WarningHUNLincoln23 min

Nearby

Flash Flood Warnings in Tennessee, 2008Every flash flood warning in 2008

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.