Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 80, NWS Tallahassee, FL

December 18, 2021Coffee County, Alabama

NWS Tallahassee, FL issued this tornado warning at Dec 18, 2021, 1:29 PM CST for Coffee County, Alabama. It was in force for 31 min. 1 report 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: Dec 18, 2021, 1:29 PM CST (19:29 UTC)
Expired: Dec 18, 2021, 2:00 PM CST
In force: 31 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Coffee County, AL

The radar

The Ft Rucker radar (KEOX), 52 km from the middle of the area, began a volume at 19:28 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

Time	Report	Where	Remark
Dec 18, 1:42 PM CST	TSTM WND DMG	3 Ssw New Brockton, AL	BARNS DAMAGED NEAR THE INTERSECTION OF CR 533 AND CR 537. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.5 hours before the alert went out and 189 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: 3 J/kg
Mixed-layer CIN: -218 J/kg
Mixed-layer LCL: 883 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

926 
WFUS52 KTAE 181929
TORTAE
ALC031-182000-
/O.NEW.KTAE.TO.W.0080.211218T1929Z-211218T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
129 PM CST Sat Dec 18 2021

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Southeastern Coffee County in southeastern Alabama...

* Until 200 PM CST.
    
* At 128 PM CST, a severe thunderstorm capable of producing a tornado
  was located 8 miles southwest of New Brockton, or 10 miles
  southeast 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 dangerous storm will be near...
  Enterprise and New Brockton around 150 PM CST.

Other locations impacted by this tornadic thunderstorm include Shell
Army Field, Goodman, Turner Crossroads, Clintonville and Enterprise
Municipal A/P.

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 3124 8603 3128 8607 3143 8592 3134 8581
TIME...MOT...LOC 1928Z 228DEG 20KT 3128 8601 

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

$$

02-MONTGOMERY

1 follow-up statement

348 
WWUS52 KTAE 181946
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
146 PM CST Sat Dec 18 2021

ALC031-182000-
/O.CON.KTAE.TO.W.0080.000000T0000Z-211218T2000Z/
Coffee AL-
146 PM CST Sat Dec 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR EAST
CENTRAL COFFEE COUNTY...
    
At 146 PM CST, a severe thunderstorm capable of producing a tornado
was located over New Brockton, or near Enterprise, 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 dangerous storm will be near...
  Enterprise around 150 PM CST.

Other locations impacted by this tornadic thunderstorm include Shell
Army Field, Clintonville and Enterprise Municipal A/P.

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 3129 8592 3135 8600 3143 8592 3134 8581
TIME...MOT...LOC 1946Z 228DEG 20KT 3135 8592 

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

$$

02-MONTGOMERY

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 18, 1:22 PM CST	Severe Thunderstorm Warning	TAE	Coffee, Dale	38 min
Dec 18, 2:00 PM CST	Special Weather Statement	TAE	Dale	45 min
Dec 18, 2:44 PM CST	Special Weather Statement	TAE	Coffee	46 min
Dec 18, 3:07 PM CST	Special Weather Statement	TAE	Henry	23 min
Dec 18, 4:05 PM CST	Special Weather Statement	TAE	Coffee	40 min
Dec 18, 4:45 PM CST	Special Weather Statement	TAE	Coffee	45 min
Dec 18, 4:53 PM CST	Areal Flood Advisory	TAE	Henry	3 hr
Dec 18, 5:07 PM CST	Areal Flood Advisory	TAE	Coffee	3 hr
Dec 18, 5:31 PM CST	Special Weather Statement	TAE	Dale	44 min

Nearby

Tornado Warnings in Alabama, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.