Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 217, NWS Tallahassee, FL

August 14, 2021Dale County, Henry County, Houston County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 14, 2021, 2:14 PM CDT for Dale County, Henry County, Houston County, Alabama. It was in force for 11 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
Aug 14, 2021, 2:14 PM CDT (19:14 UTC)
Expired
Aug 14, 2021, 2:25 PM CDT
In force
11 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dale County, AL, Henry County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 6 km from the middle of the area, began a volume at 19:18 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
Aug 14, 2:14 PM CDTTSTM WND DMGNewville, ALTREE DAMAGE AND DAMAGE TO A BARN REPORTED NEAR COUNTY ROAD 56 AND COUNTY ROAD 99.

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, 7.2 hours before the alert went out and 156 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 2021-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 695 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 2021-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
695 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1064 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

403 
WUUS52 KTAE 141914
SVRTAE
ALC045-067-069-142000-
/O.NEW.KTAE.SV.W.0217.210814T1914Z-210814T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
214 PM CDT Sat Aug 14 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southeastern Dale County in southeastern Alabama...
  Southwestern Henry County in southeastern Alabama...
  North central Houston County in southeastern Alabama...

* Until 300 PM CDT.

* At 213 PM CDT, a severe thunderstorm was located near Headland,
  moving southwest at 10 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Trained weather spotters.

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

* Locations impacted include...
  Headland, Dothan, Ozark, Fort Rucker, Midland City, Newton,
  Pinckard, Kinsey, Grimes, Newville, Napier Field, Bells Crossroads,
  Hunt Field, Waterford, Tumbleton, Kirkland Crossroads, Snells
  Crossroads, Ewell, Headland Municipal A/P and Sylvan Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3154 8543 3141 8524 3120 8544 3136 8566
TIME...MOT...LOC 1913Z 043DEG 9KT 3141 8540 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

55-SCHOLL
1 follow-up statement
496 
WWUS52 KTAE 141925
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
225 PM CDT Sat Aug 14 2021

ALC045-067-069-141935-
/O.CAN.KTAE.SV.W.0217.000000T0000Z-210814T2000Z/
Dale AL-Henry AL-Houston AL-
225 PM CDT Sat Aug 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DALE...
SOUTHWESTERN HENRY AND NORTH CENTRAL HOUSTON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 3154 8543 3141 8524 3120 8544 3136 8566
TIME...MOT...LOC 1923Z 043DEG 9KT 3139 8543 

$$

55-SCHOLL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 1:47 PM CDTSpecial Weather StatementTAEHenry43 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.