Alert archive / Alabama / Tornado Warnings in 2016

Tornado Warning 30, NWS Birmingham, AL

November 29, 2016Winston County, Alabama

NWS Birmingham, AL issued this tornado warning at Nov 29, 2016, 8:09 PM CST for Winston County, Alabama. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 29, 2016, 8:09 PM CST (02:09 UTC)
Expired
Nov 29, 2016, 8:30 PM CST
In force
21 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Winston County, AL

The radar

The Columbus AFB radar (KGWX), 84 km from the middle of the area, began a volume at 02:09 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
Nov 29, 5:37 PM CSTTornado WatchSPC3 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.2 hours before the alert went out and 141 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 2016-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 606 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 2016-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 410 square meters per square second.1939587897117136Sfc1 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
606 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
410 m²/s²
0-3 km storm-relative helicity
477 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.4

Open this sounding in Storm Lab

The text

As transmitted.

276 
WFUS54 KBMX 300209
TORBMX
ALC133-300230-
/O.NEW.KBMX.TO.W.0030.161130T0209Z-161130T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
809 PM CST TUE NOV 29 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN WINSTON COUNTY IN NORTHWESTERN ALABAMA...

* UNTIL 830 PM CST
    
* AT 808 PM CST...A TORNADO PRODUCING STORM WAS LOCATED NEAR
  ASHRIDGE...OR NEAR HALEYVILLE...MOVING NORTHEAST 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...
  SIPSEY RIVER REC AREA AND PEBBLE. 

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 3430 8757 3430 8736 3420 8754 3426 8761
      3431 8757
TIME...MOT...LOC 0208Z 223DEG 39KT 3428 8751 

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

$$

17/KLAWS

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 29, 6:35 PM CSTSevere Thunderstorm WarningBMXPickens55 min
Nov 29, 6:53 PM CSTSevere Thunderstorm WarningBMXLamar, Marion67 min
Nov 29, 7:16 PM CSTTornado Warning Tornado observedBMXPickens17 min
Nov 29, 7:22 PM CSTTornado Warning Tornado observedBMXFayette, Lamar53 min
Nov 29, 7:28 PM CSTTornado WarningBMXMarion, Winston62 min
Nov 29, 7:52 PM CSTTornado WarningBMXFayette38 min
Nov 29, 8:19 PM CSTTornado WarningBMXWinston26 min
Nov 29, 8:24 PM CSTTornado WarningBMXWalker, Winston44 min
Nov 29, 8:27 PM CSTTornado WarningBMXLamar, Pickens46 min
Nov 29, 10:13 PM CSTTornado WarningBMXWinston17 min
Nov 29, 11:35 PM CSTTornado WarningBMXFayette, Lamar, Marion55 min
Nov 30, 12:34 AM CSTTornado WarningBMXWinston24 min
Nov 30, 1:33 AM CSTAreal Flood AdvisoryBMXLamar, Marion, Winston3 hr
Nov 30, 2:33 AM CSTTornado WarningBMXWalker, Winston27 min
Nov 30, 4:25 AM CSTAreal Flood AdvisoryBMXFayette, Lamar, Marion, Winston3 hr
Nov 30, 7:35 AM CSTSpecial Weather StatementBMXHale, Marengo, Tuscaloosa55 min
Nov 30, 8:26 AM CSTSpecial Weather StatementBMXBibb, Chilton, Dallas, Jefferson, Marengo, Perry and 2 more64 min
Nov 30, 9:34 AM CSTSpecial Weather StatementBMXCalhoun, Cherokee, Cleburne, Etowah, St. Clair56 min
Nov 30, 9:47 AM CSTSpecial Weather StatementBMXTalladega43 min
Nov 30, 10:13 AM CSTSpecial Weather StatementBMXCoosa47 min
Nov 30, 10:33 AM CSTSpecial Weather StatementBMXClay, Cleburne, Randolph57 min
Nov 30, 10:42 AM CSTSpecial Weather StatementBMXLowndes48 min
Nov 30, 11:17 AM CSTSpecial Weather StatementBMXElmore43 min
Nov 30, 11:29 AM CSTSpecial Weather StatementBMXLowndes, Montgomery46 min
Nov 30, 12:04 PM CSTSpecial Weather StatementBMXLee, Macon56 min
Nov 30, 12:30 PM CSTSpecial Weather StatementBMXBullock, Russell45 min
Nov 30, 12:40 PM CSTSevere Thunderstorm WarningBMXChambers, Lee31 min
Nov 30, 12:43 PM CSTTornado Warning Tornado observedBMXChambers32 min
Nov 30, 1:12 PM CSTSpecial Weather StatementBMXBarbour, Russell63 min
Nov 30, 2:33 PM CSTSpecial Weather StatementBMXBarbour57 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.