Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Tallahassee, FL

April 24, 2021Coffee County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 24, 2021, 5:59 PM CDT for Coffee County, Alabama. It was in force for 31 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
Apr 24, 2021, 5:59 PM CDT (22:59 UTC)
Expired
Apr 24, 2021, 6:30 PM CDT
In force
31 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Coffee County, AL

The radar

The Ft Rucker radar (KEOX), 47 km from the middle of the area, began a volume at 22:58 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
Apr 24, 6:10 PM CDTTSTM WND DMGWilkinstown, ALTREE DOWN ON HIGHWAY 87.

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
Apr 24, 1:17 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 194 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, Birmingham, AL at 12:00Z on 2021-04-24Temperature 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, Birmingham, AL at 12:00Z on 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 855 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
855 m²/s²
0-3 km storm-relative helicity
1103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

717 
WUUS52 KTAE 242259
SVRTAE
ALC031-242330-
/O.NEW.KTAE.SV.W.0097.210424T2259Z-210424T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
559 PM CDT Sat Apr 24 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northern Coffee County in southeastern Alabama...

* Until 630 PM CDT.

* At 559 PM CDT, a severe thunderstorm was located near Glenwood, or
  near Goshen, moving east at 60 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...
  Java, Roeton, Chestnut Grove, Clowers Crossroads, Victoria, Frisco,
  Wilkinstown, Bluff Spring, Zoar, Jack and Newby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3162 8579 3154 8580 3154 8614 3162 8615
TIME...MOT...LOC 2259Z 265DEG 51KT 3162 8613 

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

72-BUNKER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 12:45 AM CDTFlash Flood WatchTAECoffee, Dale, Geneva, Henry, Houston22 hr
Apr 24, 1:00 AM CDTWind AdvisoryTAECoffee, Dale, Geneva, Henry, Houston18 hr
Apr 24, 6:29 AM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva59 min
Apr 24, 7:12 AM CDTSevere Thunderstorm WarningTAEDale, Geneva, Henry, Houston93 min
Apr 24, 7:25 AM CDTTornado WarningTAEDale, Henry31 min
Apr 24, 7:48 AM CDTTornado WarningTAEHouston27 min
Apr 24, 7:52 AM CDTTornado WarningTAEHenry53 min
Apr 24, 9:01 AM CDTAreal Flood AdvisoryTAEGeneva, Houston119 min
Apr 24, 9:39 AM CDTFlash Flood WarningTAEGeneva, Houston3 hr
Apr 24, 11:09 AM CDTFlash Flood WarningTAEHouston3 hr
Apr 24, 11:41 AM CDTSpecial Weather StatementTAEGeneva, Houston64 min
Apr 24, 12:08 PM CDTSpecial Weather StatementTAECoffee, Dale67 min
Apr 24, 1:15 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Houston60 min
Apr 24, 1:20 PM CDTTornado WarningTAECoffee, Dale, Geneva40 min
Apr 24, 2:12 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston63 min
Apr 24, 2:39 PM CDTTornado WarningTAEDale, Henry, Houston19 min
Apr 24, 2:49 PM CDTSevere Thunderstorm WarningTAEHenry, Houston56 min
Apr 24, 3:46 PM CDTSevere Thunderstorm WarningTAECoffee, Dale44 min
Apr 24, 4:24 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Henry51 min
Apr 24, 5:04 PM CDTSevere Thunderstorm WarningTAECoffee41 min
Apr 24, 5:12 PM CDTSpecial Weather StatementTAEHenry63 min
Apr 24, 5:23 PM CDTSevere Thunderstorm WarningTAEDale, Henry37 min
Apr 24, 6:05 PM CDTSevere Thunderstorm WarningTAEHenry40 min
Apr 24, 6:24 PM CDTSevere Thunderstorm WarningTAECoffee, Dale66 min
Apr 24, 6:47 PM CDTSevere Thunderstorm WarningTAEHenry43 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.