Alert archive / Alabama / Tornado Warnings in 2016

Tornado Warning 21, NWS Birmingham, AL

April 6, 2016Lee County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 6, 2016, 11:34 PM CDT for Lee County, Alabama. It was in force for 26 min. 5 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 6, 2016, 11:34 PM CDT (04:34 UTC)
Expired
Apr 7, 2016, 12:00 AM CDT
In force
26 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 45 km from the middle of the area, began a volume at 04:39 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 6, 11:34 PM CDTTSTM WND DMG5 Ssw Auburn, ALSEVERAL TREES SNAPPED AND FOUR TREES UPROOTED NEAR THE GREENS APARTMENT. POSSIBLE TORNADO.
Apr 6, 11:44 PM CDTTORNADO 05 Se Auburn, ALA TORNADO TOUCHED DOWN JUST NORTH OF LEE RD 47/PIERCE CHAPEL ROAD CAUSING MINOR DAMAGE TO A GARAGE ROOF AND AN ENCLOSED PORCH AND UPROOTING A LARGE TREE. IT TRAVELED EASTWARD FOR 4.7 MILES WITH A MAXIMUM WIDTH OF 200 YARDS AND PEAK WINDS OF 75 MPH...SNAPPING A
Apr 6, 11:55 PM CDTTSTM WND DMG1 Ssw Beauregard, ALSEVERAL TREES REPORTED DOWN ACROSS ALABAMA HIGHWAY 51. HIGHWAY 51 AT PIERCE CHAPEL ROAD BLOCKED BY LARGE PINE TREE. CORRECTED TIME.
Apr 6, 11:55 PM CDTTSTM WND DMG1 Sw Beauregard, ALPOWER OUTAGES WITH TREE LIMBS DONW REPORTED. PIERCE CHAPEL ROAD COMPLETELY BLOCKED BY TOPS OF TREES. TIME ESTIMATED. CORRECTED TIME.
Apr 6, 11:55 PM CDTTSTM WND DMG1 Sw Beauregard, ALPOWER OUTAGES WITH TREE LIMBS DOWN REPORTED. PIERCE CHAPEL ROAD COMPLETELY BLOCKED BY TOPS OF TREES. TIME ESTIMATED. CORRECTED TIME.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.6 hours before the alert went out and 122 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, Peachtre/Fal Fld, GA at 00:00Z on 2016-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Peachtre/Fal Fld, GA at 00:00Z on 2016-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 square meters per square second.1939587897117Sfc1 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
6 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
418 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

996 
WFUS54 KBMX 070434
TORBMX
ALC081-070500-
/O.NEW.KBMX.TO.W.0021.160407T0434Z-160407T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1134 PM CDT WED APR 6 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LEE COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL MIDNIGHT CDT
    
* AT 1133 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR AUBURN...MOVING EAST AT 40 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  AUBURN...BEAUREGARD...BLEECKER...GRIFFEN MILL AND CHEWACLA STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3247 8517 3247 8532 3252 8554 3255 8554
      3259 8515
TIME...MOT...LOC 0433Z 277DEG 33KT 3254 8550 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

17/KLAWS
1 follow-up statement
107 
WWUS54 KBMX 070438
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1138 PM CDT WED APR 6 2016

ALC081-070500-
/O.CON.KBMX.TO.W.0021.000000T0000Z-160407T0500Z/
LEE AL-
1138 PM CDT WED APR 6 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHEASTERN LEE COUNTY...
        
AT 1138 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR BEAUREGARD...OR
NEAR AUBURN...MOVING EAST AT 40 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IMPACTED INCLUDE...
AUBURN...BEAUREGARD...BLEECKER...GRIFFEN MILL AND CHEWACLA STATE PARK. 

LAT...LON 3247 8517 3247 8532 3252 8554 3255 8554
      3259 8515
TIME...MOT...LOC 0438Z 275DEG 33KT 3254 8544 

TORNADO...OBSERVED
HAIL...<.75IN

$$

17/KLAWS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 7:02 PM CDTSpecial Weather StatementBMXCalhoun43 min
Apr 6, 7:37 PM CDTSpecial Weather StatementBMXCherokee23 min
Apr 6, 7:51 PM CDTSpecial Weather StatementBMXCalhoun39 min
Apr 6, 7:53 PM CDTSpecial Weather StatementBMXGreene, Hale52 min
Apr 6, 7:55 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Cleburne20 min
Apr 6, 8:03 PM CDTSpecial Weather StatementBMXJefferson42 min
Apr 6, 8:12 PM CDTSpecial Weather StatementBMXBibb48 min
Apr 6, 8:27 PM CDTSpecial Weather StatementBMXShelby63 min
Apr 6, 8:36 PM CDTSpecial Weather StatementBMXHale, Perry39 min
Apr 6, 8:53 PM CDTSpecial Weather StatementBMXBullock52 min
Apr 6, 8:59 PM CDTSpecial Weather StatementBMXBibb, Chilton46 min
Apr 6, 9:06 PM CDTSpecial Weather StatementBMXTalladega39 min
Apr 6, 9:12 PM CDTSpecial Weather StatementBMXCalhoun, Cherokee, Cleburne48 min
Apr 6, 9:16 PM CDTSpecial Weather StatementBMXDallas44 min
Apr 6, 9:29 PM CDTSpecial Weather StatementBMXClay46 min
Apr 6, 9:40 PM CDTSpecial Weather StatementBMXRussell50 min
Apr 6, 9:50 PM CDTSpecial Weather StatementBMXAutauga, Coosa, Elmore, Tallapoosa40 min
Apr 6, 10:04 PM CDTSpecial Weather StatementBMXDallas, Lowndes41 min
Apr 6, 10:07 PM CDTSpecial Weather StatementBMXRandolph38 min
Apr 6, 10:11 PM CDTSevere Thunderstorm WarningBMXDallas, Lowndes49 min
Apr 6, 10:14 PM CDTSevere Thunderstorm WarningBMXRussell32 min
Apr 6, 10:26 PM CDTSpecial Weather StatementBMXMontgomery49 min
Apr 6, 10:35 PM CDTSpecial Weather StatementBMXElmore40 min
Apr 6, 10:53 PM CDTSevere Thunderstorm WarningBMXBullock, Macon, Montgomery67 min
Apr 6, 11:56 PM CDTTornado WarningBMXBarbour, Bullock24 min
Apr 6, 11:57 PM CDTTornado WarningBMXRussell22 min
Apr 7, 12:03 AM CDTTornado WarningBMXLee, Russell15 min
Apr 7, 12:23 AM CDTTornado WarningBMXBarbour47 min
Apr 7, 12:43 AM CDTDense Fog AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more8 hr

Nearby

Tornado Warnings in Alabama, 2016Every tornado warning in 2016Tornadoes in 2016

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.