Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 118, NWS Tallahassee, FL

May 4, 20214 counties in Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at May 4, 2021, 8:40 PM CDT for 4 counties in Alabama. It was in force for 65 min. 5 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, 8:40 PM CDT (01:40 UTC)
Expired
May 4, 2021, 9:45 PM CDT
In force
65 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Ft Rucker radar (KEOX), 29 km from the middle of the area, began a volume at 01:42 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, 8:45 PM CDTTSTM WND DMG3 Ene Grimes, ALTREE DOWN.
May 4, 8:53 PM CDTTSTM WND GST 51Napier Field, ALASOS STATION KDHN DOTHAN REPORTED A GUST TO 51 MPH.
May 4, 8:55 PM CDTTSTM WND DMG1 Ene Dothan, ALTREES DOWN.
May 4, 8:55 PM CDTTSTM WND DMG1 Wsw Smyrna, ALTREES DOWN.
May 4, 8:56 PM CDTTSTM WND GST 45Cairns Aaf, ALAWOS STATION KOZR OZARK CAIRNS AAF.

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, 1.7 hours before the alert went out and 139 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.

970 
WUUS52 KTAE 050140
SVRTAE
ALC045-061-067-069-050245-
/O.NEW.KTAE.SV.W.0118.210505T0140Z-210505T0245Z/

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

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Southern Dale County in southeastern Alabama...
  Southern Henry County in southeastern Alabama...
  Eastern Geneva County in southeastern Alabama...
  Houston County in southeastern Alabama...

* Until 945 PM CDT.

* At 840 PM CDT, severe thunderstorms were located along a line
  extending from near Headland to 6 miles southwest of Hartford,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Daleville, Cottonwood, Headland, Dothan, Fort Rucker, Ozark,
  Enterprise, Hartford, Taylor, Midland City, Kinsey, Ashford, Level
  Plains, Slocomb, Cowarts, Newton, Webb, Columbia, Pinckard and
  Malvern.

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 3120 8582 3120 8579 3142 8579 3140 8508
      3130 8509 3128 8511 3119 8511 3110 8503
      3100 8500 3099 8583
TIME...MOT...LOC 0140Z 287DEG 39KT 3140 8539 3103 8576 

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

42-DVD
1 follow-up statement
679 
WWUS52 KTAE 050202
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
902 PM CDT Tue May 4 2021

ALC045-050212-
/O.CAN.KTAE.SV.W.0118.000000T0000Z-210505T0245Z/
Dale AL-
902 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DALE COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
southeastern Alabama...the Panhandle of Florida...and southwestern
Georgia.

LAT...LON 3116 8570 3125 8554 3124 8549 3127 8548
      3140 8508 3130 8509 3128 8511 3119 8511
      3110 8503 3100 8500 3099 8583
TIME...MOT...LOC 0202Z 284DEG 38KT 3133 8513 3100 8551 

$$

ALC061-067-069-050245-
/O.CON.KTAE.SV.W.0118.000000T0000Z-210505T0245Z/
Henry AL-Geneva AL-Houston AL-
902 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHEASTERN HENRY...EASTERN GENEVA AND HOUSTON COUNTIES...

At 902 PM CDT, severe thunderstorms were located along a line
extending from near Columbia to near Graceville, moving east at 45
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Cottonwood, Dothan, Hartford, Taylor, Kinsey, Ashford, Slocomb,
Cowarts, Webb, Columbia, Malvern, Rehobeth, Avon, Esto, Madrid,
Gordon, Black, Memphis, Kellys Crossroads and Crosby.

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 3116 8570 3125 8554 3124 8549 3127 8548
      3140 8508 3130 8509 3128 8511 3119 8511
      3110 8503 3100 8500 3099 8583
TIME...MOT...LOC 0202Z 284DEG 38KT 3133 8513 3100 8551 

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, 7:41 PM CDTSevere Thunderstorm WarningTAECoffee, Geneva79 min
May 4, 8:30 PM CDTSpecial Weather StatementTAEGeneva, Houston60 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.