Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Tallahassee, FL

March 18, 20214 counties in Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 18, 2021, 5:04 AM CDT for 4 counties in Alabama. It was in force for 56 min. 3 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
Mar 18, 2021, 5:04 AM CDT (10:04 UTC)
Expired
Mar 18, 2021, 6:00 AM CDT
In force
56 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, Henry County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 24 km from the middle of the area, began a volume at 10:08 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
Mar 18, 5:32 AM CDTTORNADO1 Wnw W. Main/Brannon S, ALSEVERAL TREES AND POWER LINES DOWN.
Mar 18, 5:51 AM CDTTORNADO2 Nw Kinsey, ALTDS OBSERVED ON RADAR IN FORESTED AREA WITH TREE DAMAGE. NO STRUCTURAL DAMAGE REPORTED.
Mar 18, 5:55 AM CDTTSTM WND DMGAbbeville, ALTREES REPORTED DOWN IN ABBEVILLE.

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
Mar 17, 11:02 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.1 hours before the alert went out and 149 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 2021-03-18Temperature 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, Tallahassee Rgnl, FL at 00:00Z on 2021-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
1019 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

629 
WUUS52 KTAE 181004
SVRTAE
ALC031-045-067-069-181100-
/O.NEW.KTAE.SV.W.0028.210318T1004Z-210318T1100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
504 AM CDT Thu Mar 18 2021

The National Weather Service in Tallahassee has issued a

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

* Until 600 AM CDT.

* At 503 AM CDT, severe thunderstorms were located along a line
  extending from Enterprise to near Slocomb, moving northeast at 60
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Daleville, Abbeville, Cottonwood, Enterprise, Headland, Dothan,
  Fort Rucker, Ozark, Taylor, Midland City, Kinsey, Ashford, Level
  Plains, Cowarts, Newton, Webb, New Brockton, Pinckard, Rehobeth and
  Clayhatchee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM CDT for southeastern
Alabama...and the Panhandle of Florida.

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 3100 8523 3100 8549 3120 8549 3120 8585
      3131 8597 3162 8562 3163 8517
TIME...MOT...LOC 1003Z 216DEG 51KT 3133 8586 3112 8564 

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

42-DVD
1 follow-up statement
001 
WWUS52 KTAE 181023
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
523 AM CDT Thu Mar 18 2021

ALC031-181032-
/O.CAN.KTAE.SV.W.0028.000000T0000Z-210318T1100Z/
Coffee AL-
523 AM CDT Thu Mar 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COFFEE COUNTY IS
CANCELLED...

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

A Tornado Watch remains in effect until 600 AM CDT for southeastern
Alabama...and the Panhandle of Florida.

LAT...LON 3100 8523 3100 8549 3120 8549 3120 8570
      3127 8572 3162 8562 3163 8517
TIME...MOT...LOC 1022Z 240DEG 36KT 3133 8566 3112 8544 

$$

ALC045-067-069-181100-
/O.CON.KTAE.SV.W.0028.000000T0000Z-210318T1100Z/
Dale AL-Henry AL-Houston AL-
523 AM CDT Thu Mar 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT
FOR DALE...SOUTHWESTERN HENRY AND HOUSTON COUNTIES...

At 522 AM CDT, severe thunderstorms were located along a line
extending from near Newton to near Taylor, moving northeast at 40
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Daleville, Abbeville, Cottonwood, Headland, Dothan, Ozark, Fort
Rucker, Taylor, Midland City, Kinsey, Ashford, Cowarts, Newton, Webb,
Pinckard, Rehobeth, Clayhatchee, Grimes, Avon and Newville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM CDT for southeastern
Alabama...and the Panhandle of Florida.

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 3100 8523 3100 8549 3120 8549 3120 8570
      3127 8572 3162 8562 3163 8517
TIME...MOT...LOC 1022Z 240DEG 36KT 3133 8566 3112 8544 

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

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 3:34 AM CDTSpecial Weather StatementTAECoffee, Dale, Geneva, Henry86 min
Mar 18, 4:29 AM CDTSevere Thunderstorm WarningTAEGeneva61 min
Mar 18, 5:26 AM CDTTornado WarningTAEDale, Henry, Houston49 min
Mar 18, 6:01 AM CDTSevere Thunderstorm WarningTAEHenry, Houston59 min
Mar 18, 6:15 AM CDTTornado WarningTAEHenry30 min
Mar 18, 7:24 AM CDTSevere Thunderstorm WarningTAEHouston51 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.