Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 116, NWS Tallahassee, FL

May 4, 2021Coffee County, Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at May 4, 2021, 7:41 PM CDT for Coffee County, Geneva County, Alabama. It was in force for 79 min. 2 reports 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
May 4, 2021, 7:41 PM CDT (00:41 UTC)
Expired
May 4, 2021, 9:00 PM CDT
In force
79 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), 53 km from the middle of the area, began a volume at 00:44 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

TimeReportWhereRemark
May 4, 8:20 PM CDTTSTM WND DMG2 Wnw Piney Grove, ALTREES DOWN.
May 4, 8:30 PM CDTTSTM WND DMG2 Ene Chancellor, ALPOWERLINES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 4, 6:26 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.7 hours before the alert went out and 183 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 2021-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1458 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 2021-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
1458 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.9

Open this sounding in Storm Lab

The text

As transmitted.

041 
WUUS52 KTAE 050041
SVRTAE
ALC031-061-050200-
/O.NEW.KTAE.SV.W.0116.210505T0041Z-210505T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
741 PM CDT Tue May 4 2021

The National Weather Service in Tallahassee has issued a

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

* Until 900 PM CDT.

* At 741 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles southeast of Dozier to 11 miles east of East
  Brewton, moving southeast at 25 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,
  Kinston, Coffee Springs, Chancellor, Perry Store, Curtis, Lytle,
  Lucile, Marl, Ino, Turner Crossroads, Central City, Logan Field
  Municipal A/P, Geneva Municipal A/P and Clintonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3141 8579 3099 8580 3099 8619 3140 8620
TIME...MOT...LOC 0041Z 306DEG 22KT 3144 8625 3111 8687 

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

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:21 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Henry84 min
May 4, 8:30 PM CDTSpecial Weather StatementTAEGeneva, Houston60 min
May 4, 8:40 PM CDTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston65 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.