Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 78, NWS Tallahassee, FL

April 24, 2021Gadsden County, Jefferson County, Leon County, Florida; Grady County, Thomas County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 24, 2021, 12:30 PM EDT for Gadsden County, Jefferson County, Leon County, Florida; Grady County, Thomas County, Georgia. It was in force for 30 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
Apr 24, 2021, 12:30 PM EDT (16:30 UTC)
Expired
Apr 24, 2021, 1:00 PM EDT
In force
30 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
2.0 in
Wind
60.0 mph

Counties Gadsden County, FL, Jefferson County, FL, Leon County, FL, Grady County, GA, Thomas County, GA

The radar

The Tallahassee radar (KTLH), 31 km from the middle of the area, began a volume at 16:28 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, 12:40 PM EDTHAIL 23 N Lake Iamonia, FLRECEIVED A STORM REPORT OF 2 INCH HAIL DURING STORM PASSAGE.
Apr 24, 1:00 PM EDTHAIL 2Metcalf, GASOCIAL MEDIA REPORT/IMAGE OF 2-3 INCH HAIL IN METCALF, GA.

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, 6:22 AM EDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.5 hours before the alert went out and 30 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 2021-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 175 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 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 447 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
175 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
447 m²/s²
0-3 km storm-relative helicity
570 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

317 
WUUS52 KTAE 241630
SVRTAE
FLC039-065-073-GAC131-275-241700-
/O.NEW.KTAE.SV.W.0078.210424T1630Z-210424T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
1230 PM EDT Sat Apr 24 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northeastern Gadsden County in Big Bend of Florida...
  Northwestern Jefferson County in Big Bend of Florida...
  Northeastern Leon County in Big Bend of Florida...
  Southern Grady County in southwestern Georgia...
  Southern Thomas County in south central Georgia...

* Until 100 PM EDT.

* At 1230 PM EDT, a severe thunderstorm was located 8 miles northeast
  of Havana, moving east at 40 mph.

  HAZARD...Two inch hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Monticello, Havana, Tallahassee, Alma, Darsey, Rocky Hill,
  Miccosukee, Iamonia, Drifton, Calvary, Casa Blanco, Pisgah Church,
  Lake Miccosukee, Fincher, Moncrief, Festus, Lake Iamonia, Concord,
  Orchard Pond and Lois.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 PM EDT for Big Bend of
Florida...and south central and southwestern Georgia.

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

&&

LAT...LON 3049 8386 3055 8443 3069 8439 3069 8438
      3074 8438 3078 8437 3076 8382
TIME...MOT...LOC 1630Z 277DEG 36KT 3068 8430 

HAIL...2.00IN
WIND...60MPH
 
$$

55-SCHOLL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 1:45 AM EDTFlash Flood WatchTAEHolmes, Jackson, Walton, Washington22 hr
Apr 24, 2:00 AM EDTWind AdvisoryTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more18 hr
Apr 24, 7:29 AM EDTSevere Thunderstorm WarningTAEHolmes, Walton59 min
Apr 24, 9:14 AM EDTSevere Thunderstorm WarningTAEHolmes, Walton46 min
Apr 24, 9:56 AM EDTSpecial Weather StatementTAEHolmes49 min
Apr 24, 10:01 AM EDTAreal Flood AdvisoryTAEHolmes, Jackson, Walton119 min
Apr 24, 10:39 AM EDTFlash Flood WarningTAEHolmes, Jackson, Walton3 hr
Apr 24, 10:48 AM EDTSpecial Weather StatementTAEJackson42 min
Apr 24, 10:52 AM EDTSevere Thunderstorm WarningTAEJackson, Washington53 min
Apr 24, 10:57 AM EDTTornado WarningTAEJackson, Washington14 min
Apr 24, 11:20 AM EDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson40 min
Apr 24, 11:54 AM EDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington51 min
Apr 24, 11:57 AM EDTSevere Thunderstorm WarningTAEGadsden48 min
Apr 24, 12:09 PM EDTFlash Flood WarningTAEBay, Holmes, Jackson, Walton, Washington3 hr
Apr 24, 12:25 PM EDTSpecial Weather StatementTAELeon50 min
Apr 24, 12:41 PM EDTRiver Flood WarningTAEWalton41 hr
Apr 24, 12:41 PM EDTSpecial Weather StatementTAEHolmes64 min
Apr 24, 12:45 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon30 min
Apr 24, 12:53 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon, Madison52 min
Apr 24, 1:03 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon27 min
Apr 24, 1:17 PM EDTFlash Flood Warning Considerable damage threatTAEJackson, Washington3 hr
Apr 24, 1:34 PM EDTFlash Flood Warning Considerable damage threatTAEHolmes, Jackson, Walton, Washington3 hr
Apr 24, 1:34 PM EDTSevere Thunderstorm WarningTAEJefferson, Madison41 min
Apr 24, 1:39 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon, Madison51 min
Apr 24, 2:09 PM EDTTornado WarningTAEJefferson, Madison36 min
Apr 24, 2:38 PM EDTTornado WarningTAEMadison19 min
Apr 24, 8:40 AM EDTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Dougherty, Early, Miller and 3 more95 min
Apr 24, 8:48 AM EDTTornado WarningTAEEarly, Miller27 min
Apr 24, 8:52 AM EDTTornado WarningTAECalhoun, Clay, Early53 min
Apr 24, 9:10 AM EDTTornado WarningTAEBaker, Early, Miller35 min
Apr 24, 9:28 AM EDTSevere Thunderstorm WarningTAEBaker, Colquitt, Dougherty, Lee, Mitchell, Terrell and 2 more62 min
Apr 24, 9:33 AM EDTTornado WarningTAEBaker, Dougherty, Miller, Mitchell27 min
Apr 24, 10:10 AM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Colquitt, Cook, Irwin, Lanier and 3 more65 min
Apr 24, 11:58 AM EDTAreal Flood AdvisoryTAEBaker, Colquitt, Decatur, Early, Grady, Miller and 3 more4 hr
Apr 24, 1:49 PM EDTFlash Flood WarningTAEDecatur, Seminole3 hr
Apr 24, 2:08 PM EDTSevere Thunderstorm WarningTAELowndes37 min
Apr 24, 3:39 PM EDTTornado WarningTAEEarly19 min
Apr 24, 3:49 PM EDTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Early, Randolph56 min
Apr 24, 4:34 PM EDTSevere Thunderstorm WarningTAEBaker, Calhoun, Dougherty, Early, Miller, Mitchell41 min
Apr 24, 4:54 PM EDTAreal Flood AdvisoryTAETift111 min
Apr 24, 4:58 PM EDTSevere Thunderstorm WarningTAEBaker, Colquitt, Dougherty, Lee, Miller, Mitchell and 3 more47 min
Apr 24, 5:31 PM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Colquitt, Cook, Irwin, Tift and 2 more44 min
Apr 24, 5:44 PM EDTSevere Thunderstorm WarningTAEColquitt, Dougherty, Mitchell, Worth31 min
Apr 24, 6:10 PM EDTSevere Thunderstorm WarningTAEBerrien, Colquitt, Cook, Irwin, Tift, Worth80 min
Apr 24, 6:12 PM EDTSpecial Weather StatementTAECalhoun, Clay, Randolph63 min
Apr 24, 6:37 PM EDTTornado WarningTAEBaker, Calhoun, Clay, Early, Terrell38 min
Apr 24, 6:41 PM EDTAreal Flood AdvisoryTAETift3 hr
Apr 24, 7:02 PM EDTTornado WarningTAECalhoun, Dougherty, Lee, Terrell12 min
Apr 24, 7:05 PM EDTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Early, Randolph, Terrell40 min
Apr 24, 7:38 PM EDTSevere Thunderstorm WarningTAECalhoun, Dougherty, Lee, Terrell, Worth52 min
Apr 24, 7:41 PM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Irwin, Tift19 min
Apr 24, 7:47 PM EDTSevere Thunderstorm WarningTAECalhoun, Clay, Quitman, Randolph43 min
Apr 24, 7:57 PM EDTSevere Thunderstorm WarningTAEBen Hill, Berrien, Irwin, Tift33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Georgia, 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.