Alert archive / Alabama / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 86, NWS Huntsville, AL

July 10, 2007Colbert County, Lauderdale County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jul 10, 2007, 7:36 PM CDT for Colbert County, Lauderdale County, Alabama. It was in force for 39 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
Jul 10, 2007, 7:36 PM CDT (00:36 UTC)
Expired
Jul 10, 2007, 8:15 PM CDT
In force
39 min
Issued by
NWS Huntsville, AL
Area
Counties, with a storm outline in the text

Counties Colbert County, AL, Lauderdale County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.6 hours before the alert went out and 200 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, Birmingham, AL at 00:00Z on 2007-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1177 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, Birmingham, AL at 00:00Z on 2007-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
1177 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1065 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.8

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 Jul 10, 2:48 PM CDT, 4 hours 48 minutes earlier.

Area forecast discussion, Jul 10, 2:48 PM CDT, 4 hours 48 minutes before
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Hazardous weather outlook, Jul 10, 6:39 PM CDT, 57 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
639 PM CDT TUE JUL 10 2007

ALZ001>010-016-TNZ076-096-097-111000-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
639 PM CDT TUE JUL 10 2007

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

.DAY ONE...TONIGHT...

A THREAT OF DAMAGING THUNDERSTORM WINDS WILL INCREASE BETWEEN
9 PM AND MIDNIGHT ACROSS NORTHWEST ALABAMA...MAINLY WEST OF
INTERSTATE 65. A LINE OF STRONG THUNDERSTORMS MOVING EAST ACROSS
NORTHERN MISSISSIPPI WILL REACH THE ALABAMA STATE LINE BETWEEN
8:30 PM AND 9:30 PM...AND MAY INTENSIFY TO PRODUCE WINDS IN
EXCESS OF 55 MPH. THE AIRMASS IS MORE STABLE FURTHER EAST...THUS
THE THREAT OF SEVERE WEATHER IS LOWER.

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

THE STRONG TO SEVERE THUNDERSTORM THREAT WILL CONTINUE INTO
WEDNESDAY ACROSS THE ENTIRE CENTRAL TENNESSEE VALLEY AS ANOTHER
ROUND OF THUNDERSTORMS IS ANTICIPATED. PRIMARY THREATS WILL
CONTINUE TO BE DAMAGING STRAIGHT LINE WINDS AND POSSIBLY LARGE
HAIL...WHILE LOCALLY HEAVY RAINFALL WILL BE A POSSIBILITY FROM ANY
THUNDERSTORMS.

A COLD FRONT WILL SWEEP THROUGH THE AREA BY WEDNESDAY EVENING...
BRINGING DRIER AIR INTO THE REGION...AND ENDING THIS PERIOD OF
UNSETTLED WEATHER. HOWEVER...MOISTURE WILL QUICKLY RETURN TO THE
REGION BY FRIDAY...BRINGING SCATTERED SHOWERS AND THUNDERSTORMS BACK
INTO THE FORECAST.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
POSSIBLE ON TONIGHT AND WEDNESDAY. SPOTTERS AND EMERGENCY
OFFICIALS ARE ALSO ENCOURAGED TO REPORT RAINFALL AMOUNTS.

KULA

In the hours before

Special weather statement, Jul 10, 3:08 PM CDT, 4 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
308 PM CDT TUE JUL 10 2007

ALZ008-102100-
MARSHALL-
308 PM CDT TUE JUL 10 2007

...SIGNIFICANT WEATHER ALERT FOR MARSHALL COUNTY UNTIL 400 PM CDT...

AT 306 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES NORTH OF GUNTERSVILLE...MOVING NORTHEAST
AT 25 MPH.

PEA SIZE HAIL...WINDS UP TO 30 MPH...AND FREQUENT CLOUD TO GROUND
LIGHTNING ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  GUNTERSVILLE.
  COLUMBUS CITY.
  GRANT.

ANOTHER STRONG STORM WAS ENTERING SOUTHWEST MARSHALL COUNTY...ALSO
BRINGING A THREAT OF LIGHTNING AND HEAVY DOWNPOURS.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

KULA
Special weather statement, Jul 10, 3:32 PM CDT, 4 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
332 PM CDT TUE JUL 10 2007

ALZ009-010-102115-
DE KALB-JACKSON-
332 PM CDT TUE JUL 10 2007

...SIGNIFICANT WEATHER ALERT FOR DEKALB AND JACKSON COUNTIES UNTIL
415 PM CDT...

AT 330 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 7 MILES EAST OF GRANT...OR 10 MILES SOUTHWEST OF
SCOTTSBORO...MOVING NORTHEAST AT 30 MPH.

DIME SIZE HAIL AND WINDS UP TO 30 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  LANGSTON.
  LARKINSVILLE.
  SECTION.
  DUTTON.
  PISGAH.
  ROSALIE.

SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

KULA
Special weather statement, Jul 10, 5:34 PM CDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
534 PM CDT TUE JUL 10 2007

TNZ076-096-097-102315-
FRANKLIN-LINCOLN-MOORE-
534 PM CDT TUE JUL 10 2007

...SIGNIFICANT WEATHER ALERT FOR FRANKLIN...LINCOLN AND MOORE
COUNTIES UNTIL 615 PM CDT...

AT 526 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
TWO STRONG THUNDERSTORMS 6 MILES NORTH AND 10 MILES NORTHEAST OF NEW
MARKET ALABAMA...MOVING NORTHEAST AT 30 MPH.

PEA SIZE HAIL AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  ELORA.
  HUNTLAND.
  BEANS CREEK.
  LEXIE CROSSROADS.
  HARMONY.
  TIMS FORD LAKE.

SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

KULA
Special weather statement, Jul 10, 6:14 PM CDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
614 PM CDT TUE JUL 10 2007

TNZ097-102345-
FRANKLIN-
614 PM CDT TUE JUL 10 2007

...SIGNIFICANT WEATHER ALERT FOR FRANKLIN COUNTY UNTIL 645 PM CDT...

AT 608 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR COWAN...OR 6 MILES EAST OF WINCHESTER...
MOVING NORTHEAST AT 30 MPH.

DIME SIZE HAIL AND WINDS UP TO 30 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  ALTO.
  ST. ANDREWS.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

KULA
Special weather statement, Jul 10, 7:31 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
731 PM CDT TUE JUL 10 2007

ALZ001-002-110130-
COLBERT-LAUDERDALE-
731 PM CDT TUE JUL 10 2007

...SIGNIFICANT WEATHER ALERT FOR COLBERT AND LAUDERDALE COUNTIES
UNTIL 830 PM CDT...

AT 726 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM SHILOH TO BURNSVILLE
TO THRASHERS IN MISSISSIPPI AND TENNESSEE...MOVING EAST AT 45 MPH.

WINDS UP TO OR EXCEEDING 50 MPH ARE EXPECTED WITH THESE STORMS.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  RIVERTON.
  WRIGHT.
  CHEROKEE.
  THREET.
  CLOVERDALE.
  OAKLAND.

THE GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREES...TREE
LIMBS...AND POWERLINES. SEEK SAFE SHELTER UNTIL THE STORM HAS PASSED.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

KULA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:15 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale30 min
Jul 10, 8:45 PM CDTSevere Thunderstorm WarningHUNColbert30 min
Jul 10, 9:41 PM CDTSevere Thunderstorm WarningHUNLawrence34 min
Jul 10, 9:58 PM CDTTornado WarningHUNLawrence17 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2007Every severe thunderstorm warning in 2007

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.