Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 140, NWS Tallahassee, FL

June 12, 2021Holmes County, Florida; Coffee County, Dale County, Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 12, 2021, 5:05 PM CDT for Holmes County, Florida; Coffee County, Dale County, Geneva County, Alabama. It was in force for 40 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
Jun 12, 2021, 5:05 PM CDT (22:05 UTC)
Expired
Jun 12, 2021, 5:45 PM CDT
In force
40 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, Holmes County, FL

The radar

The Eglin Afb radar (KEVX), 45 km from the middle of the area, began a volume at 22:08 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.

What was reported inside it

TimeReportWhereRemark
Jun 12, 5:08 PM CDTTSTM WND DMGBellwood, ALPOWER LINE DOWN ALONG HIGHWAY 85 IN THE BELLWOOD AREA.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.1 hours before the alert went out and 162 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 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1723 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 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939Sfc1 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
1723 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

669 
WUUS52 KTAE 122205
SVRTAE
ALC031-045-061-FLC059-122245-
/O.NEW.KTAE.SV.W.0140.210612T2205Z-210612T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
505 PM CDT Sat Jun 12 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southwestern Dale County in southeastern Alabama...
  Southeastern Coffee County in southeastern Alabama...
  Central Geneva County in southeastern Alabama...
  Holmes County in the Panhandle of Florida...

* Until 545 PM CDT.

* At 505 PM CDT, a severe thunderstorm was located 8 miles north of
  Geneva, moving south at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Geneva, Bonifay, Enterprise, Hartford, Samson, Caryville,
  Westville, Coffee Springs, Black, Chancellor, Kellys Crossroads,
  Cerrogordo, Lytle, Lucile, Marl, Gritney, Arrant Settlement,
  Central City, Geneva Municipal A/P and Smith Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3125 8605 3129 8578 3082 8561 3079 8576
      3079 8582 3078 8582 3074 8600
TIME...MOT...LOC 2205Z 346DEG 35KT 3117 8590 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:28 AM CDTSpecial Weather StatementTAEBay32 min
Jun 12, 11:01 AM CDTSpecial Weather StatementTAEBay29 min
Jun 12, 11:05 AM CDTSpecial Weather StatementTAELafayette25 min
Jun 12, 11:07 AM CDTSpecial Weather StatementTAETaylor38 min
Jun 12, 11:20 AM CDTSpecial Weather StatementTAECalhoun40 min
Jun 12, 11:30 AM CDTSpecial Marine WarningTAE2 hr
Jun 12, 11:42 AM CDTSpecial Weather StatementTAELafayette33 min
Jun 12, 12:00 PM CDTSpecial Weather StatementTAELiberty30 min
Jun 12, 12:05 PM CDTSpecial Weather StatementTAELeon25 min
Jun 12, 12:16 PM CDTSpecial Weather StatementTAELafayette29 min
Jun 12, 12:31 PM CDTSpecial Weather StatementTAEWakulla44 min
Jun 12, 12:44 PM CDTSpecial Weather StatementTAEWalton31 min
Jun 12, 12:45 PM CDTSpecial Marine WarningTAE45 min
Jun 12, 1:12 PM CDTSpecial Weather StatementTAEJefferson, Wakulla33 min
Jun 12, 1:21 PM CDTSpecial Weather StatementTAEWashington24 min
Jun 12, 1:27 PM CDTSpecial Marine WarningTAE63 min
Jun 12, 1:45 PM CDTSpecial Weather StatementTAEBay45 min
Jun 12, 1:48 PM CDTSpecial Weather StatementTAELafayette42 min
Jun 12, 2:10 PM CDTSpecial Weather StatementTAEJackson65 min
Jun 12, 2:18 PM CDTSevere Thunderstorm WarningTAEGadsden, Jackson42 min
Jun 12, 2:25 PM CDTSpecial Weather StatementTAEBay50 min
Jun 12, 2:38 PM CDTSpecial Weather StatementTAEGadsden, Leon52 min
Jun 12, 2:50 PM CDTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty, Wakulla40 min
Jun 12, 2:59 PM CDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty31 min
Jun 12, 3:14 PM CDTSpecial Weather StatementTAECalhoun, Liberty61 min
Jun 12, 3:30 PM CDTSpecial Weather StatementTAEGadsden45 min
Jun 12, 3:39 PM CDTSpecial Weather StatementTAEFranklin51 min
Jun 12, 4:16 PM CDTSpecial Marine WarningTAE79 min
Jun 12, 4:35 PM CDTSpecial Weather StatementTAEFranklin25 min
Jun 12, 4:55 PM CDTSpecial Weather StatementTAEHolmes, Washington50 min
Jun 12, 5:46 PM CDTSpecial Weather StatementTAEHolmes, Washington44 min
Jun 12, 6:19 PM CDTSpecial Marine WarningTAE86 min
Jun 12, 6:28 PM CDTSpecial Weather StatementTAEBay, Walton, Washington47 min
Jun 11, 7:19 PM CDTSpecial Weather StatementTAEHenry41 min
Jun 12, 12:35 PM CDTSpecial Weather StatementTAEDale, Houston25 min
Jun 12, 12:59 PM CDTSpecial Weather StatementTAEDale, Henry, Houston31 min
Jun 12, 1:31 PM CDTSpecial Weather StatementTAEHouston44 min
Jun 12, 3:55 PM CDTSpecial Weather StatementTAECoffee, Dale50 min
Jun 12, 4:46 PM CDTSpecial Weather StatementTAECoffee, Dale, Geneva59 min

Nearby

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