Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 244, NWS Tallahassee, FL

December 18, 2021Coffee County, Dale County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Dec 18, 2021, 1:22 PM CST for Coffee County, Dale County, Alabama. It was in force for 38 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, 1:22 PM CST (19:22 UTC)
Expired: Dec 18, 2021, 2:00 PM CST
In force: 38 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Coffee County, AL, Dale County, AL

The radar

The Ft Rucker radar (KEOX), 54 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 193 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.

078 
WUUS52 KTAE 181922
SVRTAE
ALC031-045-182000-
/O.NEW.KTAE.SV.W.0244.211218T1922Z-211218T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
122 PM CST Sat Dec 18 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southwestern Dale County in southeastern Alabama...
  Southern Coffee County in southeastern Alabama...

* Until 200 PM CST.

* At 122 PM CST, a severe thunderstorm was located 9 miles north of
  Samson, or 11 miles south of Elba, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Elba, Enterprise, Fort Rucker, New Brockton, Kinston, Alberton,
  Richburg, Ino, Turner Crossroads, Camp Humming Hills, Clintonville,
  Shell Army Field, Goodman, New Haven, Camp Alaflo Bsa, Holley
  Store, Enterprise Municipal A/P and Woodland Grove Church.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3151 8601 3138 8572 3119 8605 3119 8607
      3124 8617
TIME...MOT...LOC 1922Z 221DEG 21KT 3126 8604 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

02-MONTGOMERY

1 follow-up statement

309 
WWUS52 KTAE 181945
SVSTAE

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

ALC031-045-182000-
/O.CON.KTAE.SV.W.0244.000000T0000Z-211218T2000Z/
Dale AL-Coffee AL-
145 PM CST Sat Dec 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CST
FOR SOUTHWESTERN DALE AND CENTRAL COFFEE COUNTIES...

At 144 PM CST, a severe thunderstorm was located over New Brockton,
or near Enterprise, moving northeast at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Elba, Enterprise, Fort Rucker, New Brockton, Richburg, Turner
Crossroads, Camp Humming Hills, Clintonville, Shell Army Field, New
Haven, Camp Alaflo Bsa, Enterprise Municipal A/P and Woodland Grove
Church.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3138 8572 3128 8594 3134 8611 3150 8598
TIME...MOT...LOC 1944Z 231DEG 25KT 3136 8593 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

02-MONTGOMERY

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 18, 1:29 PM CST	Tornado Warning	TAE	Coffee	31 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

Severe Thunderstorm Warnings in Alabama, 2021 Every severe thunderstorm warning 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.