Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 56, NWS Tallahassee, FL

August 30, 2021Coffee County, Alabama

NWS Tallahassee, FL issued this tornado warning at Aug 30, 2021, 1:26 PM CDT for Coffee County, Alabama. It was in force for 23 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
Aug 30, 2021, 1:26 PM CDT (18:26 UTC)
Expired
Aug 30, 2021, 1:49 PM CDT
In force
23 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Coffee County, AL

The radar

The Ft Rucker radar (KEOX), 50 km from the middle of the area, began a volume at 18:27 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 12:00Z, 6.4 hours before the alert went out and 196 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 12:00Z on 2021-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 12:00Z on 2021-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.1939Sfc1 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
6 J/kg
Mixed-layer CIN
-242 J/kg
Mixed-layer LCL
1267 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

104 
WFUS52 KTAE 301826
TORTAE
ALC031-301900-
/O.NEW.KTAE.TO.W.0056.210830T1826Z-210830T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
126 PM CDT Mon Aug 30 2021

The National Weather Service in Tallahassee has issued a

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

* Until 200 PM CDT.
    
* At 126 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Elba, moving north 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
  northeastern Coffee County, including the following locations...
  Wise Mill, Roeton, Chestnut Grove, Mixons Crossroads, Clowers
  Crossroads, Victoria, Arcus, Frisco, Lowry Mill and Wilkinstown.

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 3162 8604 3162 8582 3145 8592 3147 8604
TIME...MOT...LOC 1826Z 192DEG 23KT 3149 8598 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
2 follow-up statements
239 
WWUS52 KTAE 301837
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
137 PM CDT Mon Aug 30 2021

ALC031-301900-
/O.CON.KTAE.TO.W.0056.000000T0000Z-210830T1900Z/
Coffee AL-
137 PM CDT Mon Aug 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR NORTH
CENTRAL COFFEE COUNTY...
    
At 137 PM CDT, a severe thunderstorm capable of producing a tornado
was located 11 miles northeast of Elba, moving north 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.

Locations impacted include...
Chestnut Grove, Clowers Crossroads, Victoria, Frisco, Lowry Mill,
Wilkinstown and Jack.

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 3162 8602 3162 8585 3151 8591 3152 8600
TIME...MOT...LOC 1837Z 192DEG 23KT 3156 8596 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
894 
WWUS52 KTAE 301849
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
149 PM CDT Mon Aug 30 2021

ALC031-301858-
/O.CAN.KTAE.TO.W.0056.000000T0000Z-210830T1900Z/
Coffee AL-
149 PM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR NORTH CENTRAL COFFEE COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 3162 8602 3162 8585 3151 8591 3152 8600
TIME...MOT...LOC 1846Z 192DEG 23KT 3162 8593 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 2:27 AM CDTFlash Flood WatchTAECoffee, Dale, Geneva, Henry, Houston36 hr
Aug 30, 2:20 PM CDTSpecial Weather StatementTAECoffee, Dale, Geneva, Henry, Houston55 min

Nearby

Tornado Warnings in Alabama, 2021Every tornado warning in 2021Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.