Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 20, NWS Birmingham, AL

November 6, 2018Lamar County, Alabama

NWS Birmingham, AL issued this tornado warning at Nov 6, 2018, 1:56 AM CST for Lamar County, Alabama. It was in force for 34 min. 2 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
Nov 6, 2018, 1:56 AM CST (07:56 UTC)
Expired
Nov 6, 2018, 2:30 AM CST
In force
34 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Lamar County, AL

The radar

The Columbus AFB radar (KGWX), 37 km from the middle of the area, began a volume at 07:59 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
Nov 6, 2:08 AM CSTTSTM WND DMG3 Se Melborne, ALCONSIDERABLE TREE DAMAGE ON LIBERTY ROAD WITH NUMEROUS POWER LINE FLASHES. POSSIBLE TORNADO.
Nov 6, 2:17 AM CSTTORNADO2 Ese Millport, ALA NWS SURVEY TEAM DETERMINED THAT AN EF-1 TORNADO OCCURRED ON THE EAST SIDE OF MILLPORT, AL. THE WORST DAMAGE WAS WHERE THE TORNADO FIRST BEGAN, WITH DAMAGE BECOMING MORE SPORADIC AS IT CONTINUED EASTWARD. DAMAGE WAS CONFINED TO UPROOTED AND SNAPPED TREES/BRAN

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
Nov 5, 10:30 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.9 hours before the alert went out and 135 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 2018-11-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 114 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, Birmingham, AL at 00:00Z on 2018-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 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
114 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

773 
WFUS54 KBMX 060756
TORBMX
ALC075-060830-
/O.NEW.KBMX.TO.W.0020.181106T0756Z-181106T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
156 AM CST TUE NOV 6 2018

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Southern Lamar County in west central Alabama...

* Until 230 AM CST.
    
* At 155 AM CST, a severe thunderstorm capable of producing a tornado
  was located over Steens, or 8 miles northeast of Columbus, moving
  east at 50 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...
  Millport, Kennedy and Melborne. 

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 3363 8826 3367 8795 3353 8795 3354 8828
TIME...MOT...LOC 0755Z 258DEG 42KT 3356 8828 

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

$$

87/GRANTHAM
3 follow-up statements
733 
WWUS54 KBMX 060810
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
210 AM CST TUE NOV 6 2018

ALC075-060830-
/O.CON.KBMX.TO.W.0020.000000T0000Z-181106T0830Z/
Lamar AL-
210 AM CST TUE NOV 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR
SOUTHEASTERN LAMAR COUNTY...
    
At 210 AM CST, a severe thunderstorm capable of producing a tornado
was located near Millport, 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...
Millport, Kennedy and Melborne. 

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 3354 8822 3360 8821 3364 8795 3353 8795
TIME...MOT...LOC 0810Z 272DEG 33KT 3355 8814 

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

$$

87/GRANTHAM
930 
WWUS54 KBMX 060813
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
213 AM CST TUE NOV 6 2018

ALC075-060830-
/O.CON.KBMX.TO.W.0020.000000T0000Z-181106T0830Z/
Lamar AL-
213 AM CST TUE NOV 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR
SOUTHEASTERN LAMAR COUNTY...
        
At 213 AM CST, a confirmed tornado was located over Millport, moving
east at 45 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...
Millport and Kennedy. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3354 8817 3361 8818 3364 8795 3353 8795
TIME...MOT...LOC 0813Z 264DEG 41KT 3356 8809 

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

$$

87/GRANTHAM
597 
WWUS54 KBMX 060819
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
219 AM CST TUE NOV 6 2018

ALC075-060830-
/O.CON.KBMX.TO.W.0020.000000T0000Z-181106T0830Z/
Lamar AL-
219 AM CST TUE NOV 6 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CST FOR
SOUTHEASTERN LAMAR COUNTY...
        
At 219 AM CST, a confirmed tornado was located over Kennedy, or near
Millport, moving east at 35 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...
Millport and Kennedy. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3354 8809 3363 8806 3364 8795 3353 8795
TIME...MOT...LOC 0819Z 267DEG 32KT 3356 8802 

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

$$

87/GRANTHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 2:22 AM CSTTornado Warning Tornado observedBMXFayette, Lamar13 min
Nov 6, 3:12 AM CSTTornado WarningBMXGreene, Pickens34 min
Nov 6, 5:10 AM CSTSpecial Weather StatementBMXShelby50 min
Nov 6, 5:29 AM CSTSpecial Weather StatementBMXTalladega46 min
Nov 6, 6:03 AM CSTSpecial Weather StatementBMXClay42 min

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes in 2018

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.