Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 40, NWS Tallahassee, FL

March 31, 2021Coffee County, Dale County, Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 31, 2021, 4:37 PM CDT for Coffee County, Dale County, Geneva County, Alabama. It was in force for 38 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
Mar 31, 2021, 4:37 PM CDT (21:37 UTC)
Expired
Mar 31, 2021, 5:15 PM CDT
In force
38 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Coffee County, AL, Dale County, AL, Geneva County, AL

The radar

The Ft Rucker radar (KEOX), 61 km from the middle of the area, began a volume at 21:40 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
Mar 31, 3:12 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.6 hours before the alert went out and 186 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 2021-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 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 12:00Z on 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.193958Sfc1 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
49 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

772 
WUUS52 KTAE 312137
SVRTAE
ALC031-045-061-312215-
/O.NEW.KTAE.SV.W.0040.210331T2137Z-210331T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
437 PM CDT Wed Mar 31 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...
  Western Geneva County in southeastern Alabama...

* Until 515 PM CDT.

* At 436 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles south of Brundidge to 6 miles southwest of
  Elba to 8 miles east of Riverview, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Daleville, Geneva, Enterprise, Level Plains, Samson, Clayhatchee,
  Kinston, Coffee Springs, Chancellor, Perry Store, Lytle, Lucile,
  Gerald, Marl, Ino, Turner Crossroads, Central City, Logan Field
  Municipal A/P, Geneva Municipal A/P and Goodman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3132 8619 3132 8567 3099 8585 3100 8619
TIME...MOT...LOC 2136Z 278DEG 39KT 3163 8584 3133 8614 3105 8691 

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

72-BUNKER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 4:07 PM CDTSevere Thunderstorm WarningTAECoffee, Dale53 min
Mar 31, 4:42 PM CDTTornado WarningTAECoffee, Dale17 min
Mar 31, 4:52 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Henry, Houston49 min
Mar 31, 5:03 PM CDTTornado Warning Tornado observedTAEDale, Henry9 min
Mar 31, 5:10 PM CDTSpecial Weather StatementTAEGeneva, Houston50 min
Mar 31, 5:30 PM CDTSevere Thunderstorm WarningTAEHenry, Houston45 min
Mar 31, 5:39 PM CDTSevere Thunderstorm WarningTAEGeneva66 min
Mar 31, 5:54 PM CDTSevere Thunderstorm WarningTAEHouston51 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.