Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS Tallahassee, FL

February 15, 2021Coffee County, Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 15, 2021, 2:08 PM CST for Coffee County, Geneva County, Alabama. It was in force for 17 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
Feb 15, 2021, 2:08 PM CST (20:08 UTC)
Expired
Feb 15, 2021, 2:25 PM CST
In force
17 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Coffee County, AL, Geneva County, AL

The radar

The Ft Rucker radar (KEOX), 40 km from the middle of the area, began a volume at 20:08 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
Feb 15, 11:55 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.1 hours before the alert went out and 185 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 12:00Z on 2021-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
468 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

842 
WUUS52 KTAE 152008
SVRTAE
ALC031-061-152045-
/O.NEW.KTAE.SV.W.0016.210215T2008Z-210215T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
208 PM CST Mon Feb 15 2021

The National Weather Service in Tallahassee has issued a

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

* Until 245 PM CST.

* At 207 PM CST, severe thunderstorms were located along a line
  extending from 8 miles west of Ariton to near Geneva, moving
  northeast at 70 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Geneva, Enterprise, Fort Rucker, New Brockton, Coffee Springs,
  Chancellor, Mixons Crossroads, Lytle, Lucile, Turner Crossroads,
  Lowry Mill, Central City, Geneva Municipal A/P, Clintonville,
  Roeton, Camp Alaflo Bsa, Clowers Crossroads, Arcus, Enterprise
  Municipal A/P and Woodland Grove Church.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM CST for southeastern
Alabama...and the Panhandle of Florida.

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

&&

LAT...LON 3162 8580 3099 8579 3100 8597 3162 8599
TIME...MOT...LOC 2007Z 219DEG 60KT 3158 8586 3106 8584 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

11-MM
1 follow-up statement
641 
WWUS52 KTAE 152025
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
225 PM CST Mon Feb 15 2021

ALC031-061-152035-
/O.CAN.KTAE.SV.W.0016.000000T0000Z-210215T2045Z/
Coffee AL-Geneva AL-
225 PM CST Mon Feb 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN COFFEE AND CENTRAL
GENEVA COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 PM CST for southeastern
Alabama...and the Panhandle of Florida.

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

LAT...LON 3162 8580 3099 8579 3100 8597 3162 8599
TIME...MOT...LOC 2024Z 219DEG 60KT 3181 8564 3129 8562 

$$

11-MM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 1:34 PM CSTSevere Thunderstorm WarningTAECoffee, Geneva41 min
Feb 15, 1:39 PM CSTWind Chill AdvisoryTAECoffee, Dale, Geneva, Henry, Houston20 hr
Feb 15, 1:57 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston63 min
Feb 15, 2:37 PM CSTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston53 min
Feb 15, 3:01 PM CSTSevere Thunderstorm WarningTAEHenry, Houston59 min
Feb 15, 3:03 PM CSTSevere Thunderstorm WarningTAEHouston57 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.