Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 57, NWS Tallahassee, FL

April 10, 2021Coffee County, Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2021, 4:45 AM CDT for Coffee County, Geneva County, Alabama. It was in force for 51 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
Apr 10, 2021, 4:45 AM CDT (09:45 UTC)
Expired
Apr 10, 2021, 5:36 AM CDT
In force
51 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Coffee County, AL, Geneva County, AL

The radar

The Ft Rucker radar (KEOX), 58 km from the middle of the area, began a volume at 09:46 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.

IssuedProductOfficeLasted
Apr 10, 2:30 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.8 hours before the alert went out and 202 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, Tallahassee Rgnl, FL at 00:00Z on 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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, Tallahassee Rgnl, FL at 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.19395878Sfc1 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
160 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

493 
WUUS52 KTAE 100945
SVRTAE
ALC031-061-101115-
/O.NEW.KTAE.SV.W.0057.210410T0945Z-210410T1115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
445 AM CDT Sat Apr 10 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Coffee County in southeastern Alabama...
  Western Geneva County in southeastern Alabama...

* Until 615 AM CDT.

* At 445 AM CDT, severe thunderstorms were located along a line
  extending from near Lowndes County Airport to near Laurel Hill,
  moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Elba, Geneva, Enterprise, Fort Rucker, Samson, New Brockton, Lee,
  Kinston, Coffee Springs, Mixons Crossroads, Curtis, Carl Folsom
  A/p, Central City, Logan Field Municipal A/P, Camp Humming Hills,
  Clintonville, Roeton, Camp Alaflo Bsa, Arcus and Enterprise
  Municipal A/P.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama...and the Panhandle of Florida.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3153 8619 3154 8614 3162 8615 3162 8579
      3099 8579 3100 8619
TIME...MOT...LOC 0945Z 268DEG 30KT 3192 8654 3101 8653 

HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
2 follow-up statements
481 
WWUS52 KTAE 101026
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
526 AM CDT Sat Apr 10 2021

ALC061-101035-
/O.CAN.KTAE.SV.W.0057.000000T0000Z-210410T1115Z/
Geneva AL-
526 AM CDT Sat Apr 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN GENEVA COUNTY IS
CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama.

LAT...LON 3153 8619 3154 8614 3162 8615 3162 8579
      3120 8579 3119 8611 3118 8612 3119 8613
      3119 8619
TIME...MOT...LOC 1025Z 252DEG 29KT 3160 8606 3121 8608 

$$

ALC031-101115-
/O.CON.KTAE.SV.W.0057.000000T0000Z-210410T1115Z/
Coffee AL-
526 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT
FOR COFFEE COUNTY...

At 525 AM CDT, severe thunderstorms were located along a line
extending from 7 miles southeast of Glenwood to 6 miles north of
Samson, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Elba, Enterprise, Fort Rucker, New Brockton, Lee, Kinston, Mixons
Crossroads, Curtis, Carl Folsom A/p, Central City, Camp Humming
Hills, Clintonville, Roeton, Camp Alaflo Bsa, Arcus, Enterprise
Municipal A/P, Alberton, Richburg, Victoria and Danleys Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3153 8619 3154 8614 3162 8615 3162 8579
      3120 8579 3119 8611 3118 8612 3119 8613
      3119 8619
TIME...MOT...LOC 1025Z 252DEG 29KT 3160 8606 3121 8608 

HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
003 
WWUS52 KTAE 101036
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
536 AM CDT Sat Apr 10 2021

ALC031-101046-
/O.CAN.KTAE.SV.W.0057.000000T0000Z-210410T1115Z/
Coffee AL-
536 AM CDT Sat Apr 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR COFFEE COUNTY IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3153 8619 3154 8614 3162 8615 3162 8579
      3120 8579 3119 8611 3118 8612 3119 8613
      3119 8619
TIME...MOT...LOC 1035Z 268DEG 30KT 3160 8596 3121 8598 

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 6:42 AM CDTSevere Thunderstorm WarningTAEGeneva63 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.