Alert archive / Alabama / Tornado Warnings in 2015

Tornado Warning 46, NWS Tallahassee, FL

December 24, 2015Coffee County, Dale County, Alabama

NWS Tallahassee, FL issued this tornado warning at Dec 24, 2015, 6:46 PM CST for Coffee County, Dale County, Alabama. It was in force for 29 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: Dec 24, 2015, 6:46 PM CST (00:46 UTC)
Expired: Dec 24, 2015, 7:15 PM CST
In force: 29 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Coffee County, AL, Dale County, AL

The radar

The Ft Rucker radar (KEOX), 60 km from the middle of the area, began a volume at 00:50 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 nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.8 hours before the alert went out and 194 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: 349 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

408 
WFUS52 KTAE 250046
TORTAE
ALC031-045-250115-
/O.NEW.KTAE.TO.W.0046.151225T0046Z-151225T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
646 PM CST THU DEC 24 2015

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN COFFEE COUNTY IN SOUTHEASTERN ALABAMA...
  NORTHWESTERN DALE COUNTY IN SOUTHEASTERN ALABAMA...

* UNTIL 715 PM CST
    
* AT 646 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR BRANTLEY...OR 9 MILES NORTHWEST OF ELBA...
  MOVING NORTHEAST AT 25 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. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHERN COFFEE AND NORTHWESTERN DALE COUNTIES...INCLUDING THE
  FOLLOWING LOCATIONS...VICTORIA...JACK...CHESTNUT GROVE...BLUFF
  SPRING...CLOWERS CROSSROADS...LOWRY MILL...HWY 231 PEA RIVER
  BRIDGE...NEWBY...ZOAR AND DANLEYS CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3153 8619 3154 8614 3162 8615 3162 8562
      3139 8620
TIME...MOT...LOC 0046Z 225DEG 20KT 3151 8620 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

52-MCDERMOTT

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 24, 7:10 PM CST	Tornado Warning	TAE	Coffee	16 min

Nearby

Tornado Warnings in Alabama, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.