Alert archive / Alabama / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 12, NWS Huntsville, AL

January 10, 2008DeKalb County, Jackson County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jan 10, 2008, 5:29 PM CST for DeKalb County, Jackson County, Alabama. It was in force for 46 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
Jan 10, 2008, 5:29 PM CST (23:29 UTC)
Expired
Jan 10, 2008, 6:15 PM CST
In force
46 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

Counties DeKalb County, AL, Jackson County, AL

The radar

The Northeast Alabama radar (KHTX), 38 km from the middle of the area, began a volume at 23:32 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
Jan 10, 5:16 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.5 hours before the alert went out and 179 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 12:00Z on 2008-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 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 12:00Z on 2008-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.19395878Sfc1 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
261 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Jan 10, 3:49 PM CST, 1 hour 40 minutes earlier.

Area forecast discussion, Jan 10, 3:49 PM CST, 1 hour 40 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
349 PM CST THU JAN 10 2008

...TORNADO WATCH 17 IN EFFECT UNTIL 7 PM CST FOR NORTH CENTRAL
ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE...
...HIGH WIND WARNING IN EFFECT UNTIL 5 PM FOR PORTIONS OF NORTH
CENTRAL ALABAMA...

.UPDATE...A HIGH WIND WARNING HAS BEEN ISSUED FOR PARTS OF N
CENTRAL AL. REPORTS OF WIND DAMAGE BEHIND THE MAIN LINE OF TSTMS
HAVE BEEN RECEIVED OVER THE LAST HR. INCREASING GRADIENT WINDS ARE
LIKELY TO CONTINUE THROUGH THE AFTERNOON HRS BEFORE WEAKENING AS
THE COLD FRONT APPROACHES THE TN VALLEY.
&&

.PREV DISCUSSION...LINE OF STRONG TO SEVERE TSTMS FROM S MIDDLE
TN SWD TO NW AL AND TO SE MS CONTINUES TO MOVE EWD THIS AFTERNOON
ACROSS THE TN VALLEY. THIS ACTIVITY IS EXPECTED TO MOVE ACROSS THE
BULK OF THE FORECAST AREA FROM W TO E DURING THE REMAINING
AFTERNOON AND EARLY EVENING HRS. MUCH OF THESE TSTMS HAVE A
HISTORY OF PRODUCING EITHER LARGE HAIL...DAMAGING WINDS AND/OR
ISOLATED TORNADOES AND THIS THREAT LOOKS TO CONTINUE THRU THE
EARLY EVENING HRS BASED ON THE CURRENT MESOSCALE PATTERN AND
THERMO INDICIES. SHEAR PROFILES BASED OFF THE LATEST RUC13
SOUNDINGS INDICATE ENHANCED CURVATURE IN THE LOWER LEVELS COUPLED
WITH INCREASING POS ENERGY THEREBY SUGGESTING MOST TSTMS LATER
THIS AFTERNOON AND EARLY THIS EVENING WILL TREND TOWARD SUPERCELL
DEVELOPMENT. ALL CONVECTIVE ACTIVITY IS DEVELOPING WELL AHEAD OF A
COLD FRONT CURRENTLY POSITIONED FROM ERN AR SWD TO S CENTRAL LA.
THE LATEST SHORT RANGE MODELS STILL INDICATE THE COLD FRONT MOVING
THROUGH THE TN VALLEY DURING THE LATE EVENING AND OVERNIGHT HRS.
STRONG CONVECTION THOUGH SHOULD BE DIMINISHING OR MOVE E OF THE
AREA WELL AHEAD OF THE ONCOMING BOUNDARY WITH THE LOSS OF DAYTIME
HEATING AND SFC BASED INSTABILITY.

A LITTLE BIT OF A COOL DOWN IS THEN IN STORE FOR THE TN VALLEY
BEHIND THE EXITING FRONT STARTING FRI AS HIGH PRESSURE MOVES INTO
THE SE REGION. OVERALL TEMPS LOOK TO RUN AT OR SLIGHTLY ABOVE
NORMAL THROUGH SAT UNDER PARTLY CLOUDY CONDITIONS BEFORE THE SFC
HIGH MOVES OFF TOWARD THE NE APPROACHING THE NRN ATLANTIC BASIN.
THE GLOBAL MODELS ARE STILL INDICATING AN AREA OF LOW PRESSURE
DEVELOPING OVER THE NW GULF LATE SAT BEFORE MOVING ENEWD SUN
TOWARD THE SE ATLANTIC COAST. THE EXTENT OF WRAP AROUND MOISTURE
AND ASSOC PRECIP REMAINS IN QUESTION ALTHOUGH ENOUGH ENERGY ASSOC
WITH THE LOW PRESSURE SYSTEM MAY GET DISPLACED NWD TO WARRANT
SLIGHT CHANCE POPS SUN AND SUN NT. STRONG HIGH PRESSURE OUT OF THE
PLAINS STATES IS THEN INDICATED TO MOVE INTO THE SE REGION
STARTING MON WITH OVERALL TEMPS RETURNING TO NORMAL READINGS INTO
MID WEEK UNDER PARTLY CLOUDY CONDITIONS.
&&

.AVIATION...STRONG TO SEVERE TSTMS WILL BE THE MAIN WX THREAT FOR
THE TERMINALS FOR THE REMAINDER OF THIS AFTERNOON AND EARLY THIS
EVENING...WITH THE HIGHER PROB EXISTING FOR AIRPORTS E OF I-65.
IFR CONDITIONS WITH GUSTS UPWARD TO 45 KTS ARE POSSIBLE THRU 01Z
IN AND NEAR THE TSTM ACTIVITY. CONDITIONS ARE EXPECTED TO IMPROVE
TO MVFR CRITERIA (CEILING HEIGHTS AROUND 1500 TO 3000 FT) LATER
THIS EVENING AND OVERNIGHT ALTHOUGH SFC WINDS MAY CONTINUE TO RUN
NEAR 15 KTS BEFORE DIMINISHING FRI MORNING. VFR CONDITIONS SHOULD
THEN PREVAIL THRU FRI.
&&

.UPDATED HUN WATCHES/WARNINGS/ADVISORIES...
AL...TORNADO WATCH IN EFFECT UNTIL 7PM CST FOR THE FOLLOWING
     COUNTIES: LIMESTONE...LAWRENCE...MORGAN...MADISON...
     MARSHALL.
     HIGH WIND WARNING UNTIL 5 PM THURSDAY FOR THE FOLLOWING ZONES:
     LAWRENCE...LIMESTONE...MADISON...AND MORGAN.
TN...TORNADO WATCH IN EFFECT UNTIL 7PM CST FOR THE FOLLOWING
     COUNTIES: LINCOLN...MOORE.
     HIGH WIND WARNING UNTIL 5 PM THURSDAY FOR THE FOLLOWING ZONES:
     AND LINCOLN.
&&

DG.09
Hazardous weather outlook, Jan 10, 10:15 AM CST, 7 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1015 AM CST THU JAN 10 2008

ALZ001>010-016-TNZ076-096-097-110200-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
1015 AM CST THU JAN 10 2008

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

.DAY ONE...TONIGHT...
SOUTHERLY WINDS IN ASSOCIATION WITH A STRONG STORM SYSTEM
CONTINUES TO USHER AN UNSEASONABLY MILD AND UNSTABLE AIRMASS INTO
THE TENNESSEE VALLEY. THE AIRMASS WILL CONTINUE TO DESTABILIZE AS
WE CONTINUE THROUGH THE AFTERNOON HOURS...AND COUPLED WITH STRONG
WIND ENERGY ALOFT....WILL SET THE STAGE FOR STRONG TO SEVERE
THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. THE PRIMARY
THREATS WILL BE ISOLATED TORNADOES...DAMAGING STRAIGHT LINE
WINDS...AND LARGE HAIL.

A SQUALL LINE AHEAD OF AN APPROACHING COLD FRONT WILL SWEEP ACROSS
THE AREA FROM WEST TO EAST BY THIS EVENING. THE HIGHER THREAT FOR
ISOLATED TORNADOES AND LARGE HAIL WILL EXIST AMONG THUNDERSTORMS
THAT DEVELOP JUST AHEAD OF THIS SQUALL LINE THIS AFTERNOON...WHILE
DAMAGING WINDS WILL BE THE PRIMARY THREAT WITH STRONGER CELLS
EMBEDDED WITHIN THE SQUALL LINE ITSELF. THE THREAT FOR SEVERE
WEATHER WILL END AS THE FRONT PASSES THROUGH THE REGION TONIGHT.

IN ADDITION TO THE POTENTIAL FOR SEVERE WEATHER...LOCALLY HEAVY
RAINFALL IS POSSIBLE...PARTICULARLY EAST OF THE INTERSTATE 65
CORRIDOR WHERE AMOUNTS IN EXCESS OF 2 INCHES MAY OCCUR IN ISOLATED
LOCATIONS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL
MAY BE REQUESTED TODAY AND THIS EVENING.

CBD

In the hours before

Special weather statement, Jan 10, 4:13 PM CST, 1 hour 16 minutes before
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Special weather statement, Jan 10, 4:35 PM CST, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
435 PM CST THU JAN 10 2008

ALZ003-004-102315-
FRANKLIN-LAWRENCE-
435 PM CST THU JAN 10 2008

...SIGNIFICANT WEATHER ALERT FOR FRANKLIN AND LAWRENCE COUNTIES UNTIL
515 PM CST...

AT 435 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR BEAR CREEK...OR NEAR HALEYVILLE...MOVING
NORTHEAST AT 45 MPH.

DIME SIZE HAIL AND GUSTY WINDS TO 45 MPH ARE EXPECTED WITH THIS
STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  PHIL CAMPBELL.
  MT HOPE.
  LANDERSVILLE.
  MOULTON.
  CHALYBEATE SPRINGS.

THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.

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

27
Special weather statement, Jan 10, 4:35 PM CST, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
435 PM CST THU JAN 10 2008

ALZ003-004-102315-
FRANKLIN-LAWRENCE-
435 PM CST THU JAN 10 2008

...SIGNIFICANT WEATHER ALERT FOR LAWRENCE AND SOUTHEASTERN FRANKLIN
COUNTIES UNTIL 515 PM CST...

AT 435 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR BEAR CREEK...OR NEAR HALEYVILLE...MOVING
NORTHEAST AT 45 MPH.

DIME SIZE HAIL AND GUSTY WINDS TO 45 MPH ARE EXPECTED WITH THIS
STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  PHIL CAMPBELL.
  MT HOPE.
  LANDERSVILLE.
  MOULTON.
  CHALYBEATE SPRINGS.

THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.

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

27
Special weather statement, Jan 10, 4:53 PM CST, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
453 PM CST THU JAN 10 2008

ALZ008-102345-
MARSHALL-
453 PM CST THU JAN 10 2008

...SIGNIFICANT WEATHER ALERT FOR MARSHALL COUNTY UNTIL 545 PM CST...

AT 453 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
LINE OF THUNDERSTORMS MOVING ACROSS THE EASTERN HALF OF MARSHALL
COUNTY. A PARTICULAR STRONG THUNDERSTORM...7 MILES SOUTHEAST OF
ARAB...IS MOVING NORTHEAST AT 60 MPH. THIS STORM WILL BE CAPABLE OF
PEA SIZE HAIL...WIND GUSTS UP TO 50 MPH...AND HEAVY DOWNPOURS.
RAINFALL AMOUNTS 1/4 TO 1/2 INCH WILL OCCUR...WITH LOCALLY HIGHER
AMOUNTS.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  HYATT.
  MOUNTAIN VIEW.
  GUNTERSVILLE.
  COLUMBUS CITY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CST THURSDAY EVENING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

DJN
Special weather statement, Jan 10, 4:56 PM CST, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
456 PM CST THU JAN 10 2008

ALZ006-007-016-TNZ076-096-110000-
CULLMAN-LINCOLN-MADISON-MOORE-MORGAN-
456 PM CST THU JAN 10 2008

...SIGNIFICANT WEATHER ALERT UNTIL 6 PM FOR GUSTY WINDS...

GUSTY SOUTH TO SOUTHWEST WINDS OF 25 TO 35 MPH WILL ACCOMPANY
LINGERING SHOWERS AND THUNDERSTORMS. GUSTS COULD REACH 40 MPH...
ESPECIALLY IN THE HIGHER ELEVATIONS.

THESE WINDS WILL MAKE IT MORE DIFFICULT FOR MOTORISTS ON EAST TO
WEST ROADWAYS...AND MAY BRING DOWN SMALL TREE BRANCHES.

KULA
Local storm report, Jan 10, 5:19 PM CST, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
519 PM CST THU JAN 10 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 PM     TSTM WND DMG     9 E BREMEN              33.99N 86.81W
01/10/2008                   CULLMAN            AL   DEPT OF HIGHWAYS

            TREES DOWN ON INTERSTATE 65 AT MILEMAKER 295.

0430 PM     TSTM WND DMG     9 E BREMEN              33.99N 86.81W
01/10/2008                   CULLMAN            AL   DEPT OF HIGHWAYS

            TREES DOWN ON INTERSTATE 65 NEAR MILE MARKER 295.

&&

KWEBER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 1:48 PM CSTTornado WarningHUNColbert, Lauderdale42 min
Jan 10, 2:06 PM CSTSevere Thunderstorm WarningHUNFranklin, Lawrence24 min
Jan 10, 2:18 PM CSTTornado WarningHUNLauderdale27 min
Jan 10, 3:32 PM CSTSevere Thunderstorm WarningHUNLimestone, Morgan27 min
Jan 10, 3:41 PM CSTHigh Wind WarningHUNLawrence, Limestone, Madison, Morgan79 min
Jan 10, 4:02 PM CSTSevere Thunderstorm WarningHUNDeKalb28 min
Jan 10, 4:07 PM CSTSevere Thunderstorm WarningHUNMadison23 min
Jan 10, 4:09 PM CSTTornado WarningHUNCullman23 min
Jan 10, 4:27 PM CSTSevere Thunderstorm WarningHUNCullman33 min
Jan 10, 5:11 PM CSTSevere Thunderstorm WarningHUNDeKalb, Marshall49 min
Jan 10, 5:50 PM CSTSevere Thunderstorm WarningHUNDeKalb25 min
Jan 10, 4:26 PM CSTSevere Thunderstorm WarningHUNFranklin34 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2008Every severe thunderstorm 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.