Alert archive / Alabama / Tornado Warnings in 2006

Tornado Warning 13, NWS Huntsville, AL

April 7, 2006Limestone County, Alabama

NWS Huntsville, AL issued this tornado warning at Apr 7, 2006, 6:28 PM CDT for Limestone County, Alabama. It was in force for 62 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 7, 2006, 6:28 PM CDT (23:28 UTC)
Expired
Apr 7, 2006, 7:30 PM CDT
In force
62 min
Issued by
NWS Huntsville, AL
Area
Counties, with a storm outline in the text

County Limestone County, AL

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 23:31 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.

What was reported inside it

TimeReportWhereRemark
Apr 7, 7:13 PM CDTFUNNEL CLOUDS Elkmont, ALPOSSIBLE FUNNEL CLOUD REPORTED SOUTH OF ELKMONT BY PUBLIC
Apr 7, 7:20 PM CDTHAIL 1.75Elkmont, ALAT THE I-65 ELKMONT EXIT.
Apr 7, 7:36 PM CDTTORNADOArdmore, ALTORNADO TOUCHDOWN...TORNADO MOVING NE. RELAYED THRU AMATEUR RADIO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 7, 11:34 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.5 hours before the alert went out and 140 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 2006-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2006-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
1 J/kg
Mixed-layer CIN
-263 J/kg
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KHUN 072330
TORHUN
ALC083-080030-
/O.NEW.KHUN.TO.W.0013.060407T2328Z-060408T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
628 PM CDT FRI APR 7 2006

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA

* UNTIL 730 PM CDT

* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR          
  KILLEN...MOVING EAST AT 45 MPH.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  ARDMORE.
  LESTER.
  GOOD SPRINGS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 2 
INCH HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

LAT...LON 3500 8722 3481 8723 3484 8679 3500 8679

$$

CBD
2 follow-up statements
000 
WWUS54 KHUN 072355
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
653 PM CDT FRI APR 7 2006

ALC083-080030-
/O.CON.KHUN.TO.W.0013.000000T0000Z-060408T0030Z/
LIMESTONE AL-
653 PM CDT FRI APR 7 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR LIMESTONE
COUNTY...

AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM SHOWING STRONG ROTATION.  THIS STORM WAS 
LOCATED NEAR COXEY...MOVING EAST NORTHEAST AT 45 MPH. A SPOTTER 
REPORTED A WALL CLOUD WITH ROTATION NEAR THE ELK RIVER BRIDGE.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
  COXEY.
  CAIRO.
  CARTWRIGHT.
  ELKMONT.
  ATHENS.
  HOLLAND GIN.

THIS STORM IS ALSO CAPABLE OF PRODUCING HAIL UP TO GOLFBALL 
SIZE...AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 
MPH...EVEN OUTSIDE OF THE TORNADO AREA.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3500 8722 3477 8724 3476 8679 3500 8679

$$

CBD
000 
WWUS54 KHUN 080008
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
706 PM CDT FRI APR 7 2006

ALC083-080030-
/O.CON.KHUN.TO.W.0013.000000T0000Z-060408T0030Z/
LIMESTONE AL-
706 PM CDT FRI APR 7 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR LIMESTONE
COUNTY...

AT 705 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A ROTATING WALL 
CLOUD NEAR LIMESTONE HIGH SCHOOL. MOVEMENT WAS EAST AT 45 MPH. RADAR 
ALSO SHOWS STRENGTHENING ROTATION IN THE CARTWRIGHT AREA.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
  CARTWRIGHT.
  ATHENS.
  ELKMONT.
  HOLLAND GIN.
  BETHEL.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3500 8722 3477 8724 3476 8679 3500 8679

$$

CBD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 5:07 PM CDTTornado WarningHUNColbert, Lauderdale38 min
Apr 7, 5:37 PM CDTTornado WarningHUNColbert, Franklin, Lauderdale38 min
Apr 7, 5:58 PM CDTFlash Flood WatchHUNColbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 3 more8 hr
Apr 7, 6:05 PM CDTTornado WarningHUNColbert, Franklin55 min
Apr 7, 6:09 PM CDTTornado WarningHUNLauderdale51 min
Apr 7, 6:55 PM CDTSevere Thunderstorm WarningHUNColbert, Lawrence46 min

Nearby

Tornado Warnings in Alabama, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.