Alert archive / Alabama / Tornado Warnings in 2016

Tornado Warning 38, NWS Birmingham, AL

November 30, 2016Chambers County, Alabama

NWS Birmingham, AL issued this tornado warning at Nov 30, 2016, 12:43 PM CST for Chambers County, Alabama. It was in force for 32 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 30, 2016, 12:43 PM CST (18:43 UTC)
Expired: Nov 30, 2016, 1:15 PM CST
In force: 32 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

County Chambers County, AL

The radar

The Maxwell AFB radar (KMXX), 49 km from the middle of the area, began a volume at 18:47 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.

Issued	Product	Office	Lasted
Nov 30, 11:06 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.7 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 64 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 660 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 278 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

809 
WFUS54 KBMX 301843
TORBMX
ALC017-301915-
/O.NEW.KBMX.TO.W.0038.161130T1843Z-161130T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1243 PM CST WED NOV 30 2016

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CHAMBERS COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 115 PM CST
    
* AT 1242 PM CST...A TORNADO PRODUCING STORM WAS LOCATED OVER OAK
  BOWERY...OR 9 MILES NORTHWEST OF OPELIKA...MOVING NORTHEAST AT 55
  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...
  VALLEY...LANETT...LAFAYETTE...LA FAYETTE...LAKEVIEW...CUSSETA...
  WEST CHAMBERS...DENSON...AMITY PARK...HUGULEY...CHAMBERS COUNTY
  LAKE...VEASEY CREEK PARK...OAK BOWERY...STURKIE...I 85 WELCOME
  CENTER AT LANETT...LANETT MUNICIPAL AIRPORT AND SOUTHERN HARBOR.

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 3283 8517 3281 8516 3273 8538 3273 8540
      3274 8541 3274 8543 3273 8543 3273 8548
      3274 8548 3273 8549 3273 8553 3279 8558
      3303 8522 3286 8519 3285 8515
TIME...MOT...LOC 1842Z 238DEG 48KT 3275 8549 

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

$$

25/OWEN

2 follow-up statements

731 
WWUS54 KBMX 301856
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1256 PM CST WED NOV 30 2016

ALC017-301915-
/O.CON.KBMX.TO.W.0038.000000T0000Z-161130T1915Z/
CHAMBERS AL-
1256 PM CST WED NOV 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CST FOR
SOUTHEASTERN CHAMBERS COUNTY...
        
AT 1255 PM CST...A CONFIRMED TORNADO WAS LOCATED OVER CHAMBERS COUNTY
LAKE...OR NEAR LANETT...MOVING NORTHEAST AT 55 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...
VALLEY...LANETT...LAFAYETTE...LA FAYETTE...LAKEVIEW...CUSSETA...
DENSON...HUGULEY...AMITY PARK...CHAMBERS COUNTY LAKE...VEASEY CREEK
PARK...I 85 WELCOME CENTER AT LANETT...LANETT MUNICIPAL AIRPORT AND
SOUTHERN HARBOR.

LAT...LON 3283 8517 3281 8516 3275 8535 3277 8538
      3280 8541 3287 8546 3303 8522 3286 8519
      3285 8515
TIME...MOT...LOC 1855Z 238DEG 48KT 3285 8531 

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

$$

25/OWEN

982 
WWUS54 KBMX 301910
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
110 PM CST WED NOV 30 2016

ALC017-301920-
/O.EXP.KBMX.TO.W.0038.000000T0000Z-161130T1915Z/
CHAMBERS AL-
110 PM CST WED NOV 30 2016

...THE TORNADO WARNING FOR SOUTHEASTERN CHAMBERS COUNTY WILL EXPIRE
AT 115 PM CST...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST FOR EAST CENTRAL
ALABAMA.

LAT...LON 3283 8517 3281 8516 3275 8535 3277 8538
      3280 8541 3287 8546 3303 8522 3286 8519
      3285 8515
TIME...MOT...LOC 1910Z 238DEG 48KT 3295 8513 

$$

25/OWEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 29, 6:35 PM CST	Severe Thunderstorm Warning	BMX	Pickens	55 min
Nov 29, 6:53 PM CST	Severe Thunderstorm Warning	BMX	Lamar, Marion	67 min
Nov 29, 7:16 PM CST	Tornado Warning Tornado observed	BMX	Pickens	17 min
Nov 29, 7:22 PM CST	Tornado Warning Tornado observed	BMX	Fayette, Lamar	53 min
Nov 29, 7:28 PM CST	Tornado Warning	BMX	Marion, Winston	62 min
Nov 29, 7:52 PM CST	Tornado Warning	BMX	Fayette	38 min
Nov 29, 8:09 PM CST	Tornado Warning Tornado observed	BMX	Winston	21 min
Nov 29, 8:19 PM CST	Tornado Warning	BMX	Winston	26 min
Nov 29, 8:24 PM CST	Tornado Warning	BMX	Walker, Winston	44 min
Nov 29, 8:27 PM CST	Tornado Warning	BMX	Lamar, Pickens	46 min
Nov 29, 10:13 PM CST	Tornado Warning	BMX	Winston	17 min
Nov 29, 11:35 PM CST	Tornado Warning	BMX	Fayette, Lamar, Marion	55 min
Nov 30, 12:34 AM CST	Tornado Warning	BMX	Winston	24 min
Nov 30, 1:33 AM CST	Areal Flood Advisory	BMX	Lamar, Marion, Winston	3 hr
Nov 30, 2:33 AM CST	Tornado Warning	BMX	Walker, Winston	27 min
Nov 30, 4:25 AM CST	Areal Flood Advisory	BMX	Fayette, Lamar, Marion, Winston	3 hr
Nov 30, 7:35 AM CST	Special Weather Statement	BMX	Hale, Marengo, Tuscaloosa	55 min
Nov 30, 8:26 AM CST	Special Weather Statement	BMX	Bibb, Chilton, Dallas, Jefferson, Marengo, Perry and 2 more	64 min
Nov 30, 9:34 AM CST	Special Weather Statement	BMX	Calhoun, Cherokee, Cleburne, Etowah, St. Clair	56 min
Nov 30, 9:47 AM CST	Special Weather Statement	BMX	Talladega	43 min
Nov 30, 10:13 AM CST	Special Weather Statement	BMX	Coosa	47 min
Nov 30, 10:33 AM CST	Special Weather Statement	BMX	Clay, Cleburne, Randolph	57 min
Nov 30, 10:42 AM CST	Special Weather Statement	BMX	Lowndes	48 min
Nov 30, 11:17 AM CST	Special Weather Statement	BMX	Elmore	43 min
Nov 30, 11:29 AM CST	Special Weather Statement	BMX	Lowndes, Montgomery	46 min
Nov 30, 12:04 PM CST	Special Weather Statement	BMX	Lee, Macon	56 min
Nov 30, 12:30 PM CST	Special Weather Statement	BMX	Bullock, Russell	45 min
Nov 30, 12:40 PM CST	Severe Thunderstorm Warning	BMX	Chambers, Lee	31 min
Nov 30, 1:12 PM CST	Special Weather Statement	BMX	Barbour, Russell	63 min
Nov 30, 2:33 PM CST	Special Weather Statement	BMX	Barbour	57 min

Nearby

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