Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 15, NWS Tallahassee, FL

March 18, 2021Henry County, Alabama

NWS Tallahassee, FL issued this tornado warning at Mar 18, 2021, 6:15 AM CDT for Henry County, Alabama. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 18, 2021, 6:15 AM CDT (11:15 UTC)
Expired: Mar 18, 2021, 6:45 AM CDT
In force: 30 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Henry County, AL

The radar

The Ft Rucker radar (KEOX), 35 km from the middle of the area, began a volume at 11:14 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 17, 11:02 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.3 hours before the alert went out and 152 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

275 
WFUS52 KTAE 181115
TORTAE
ALC067-181145-
/O.NEW.KTAE.TO.W.0015.210318T1115Z-210318T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
615 AM CDT Thu Mar 18 2021

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Eastern Henry County in southeastern Alabama...

* Until 645 AM CDT.
    
* At 615 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles south of Abbeville, moving northeast at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Abbeville around 625 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Shorterville, Walter F. George Lock And Dam, Barnes, Dancey, Miller,
Hardwickburg, Hayes, Willis Crossroads, Balkum and Haleburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3166 8508 3164 8509 3162 8506 3157 8506
      3154 8504 3147 8507 3138 8521 3145 8532
      3168 8515 3168 8512
TIME...MOT...LOC 1115Z 222DEG 29KT 3145 8523 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

42-DVD

1 follow-up statement

307 
WWUS52 KTAE 181133
SVSTAE

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

ALC067-181145-
/O.CON.KTAE.TO.W.0015.000000T0000Z-210318T1145Z/
Henry AL-
633 AM CDT Thu Mar 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
NORTHEASTERN HENRY COUNTY...
    
At 633 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Fort Gaines, moving northeast at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Henry County, including the following locations...
Shorterville, Hayes, Walter F. George Lock And Dam and Willis
Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3166 8508 3164 8509 3162 8506 3157 8506
      3154 8504 3147 8507 3146 8509 3154 8520
      3168 8515 3168 8512
TIME...MOT...LOC 1133Z 224DEG 30KT 3156 8509 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 3:34 AM CDT	Special Weather Statement	TAE	Coffee, Dale, Geneva, Henry	86 min
Mar 18, 4:29 AM CDT	Severe Thunderstorm Warning	TAE	Geneva	61 min
Mar 18, 5:04 AM CDT	Severe Thunderstorm Warning	TAE	Coffee, Dale, Henry, Houston	56 min
Mar 18, 5:26 AM CDT	Tornado Warning	TAE	Dale, Henry, Houston	49 min
Mar 18, 6:01 AM CDT	Severe Thunderstorm Warning	TAE	Henry, Houston	59 min
Mar 18, 7:24 AM CDT	Severe Thunderstorm Warning	TAE	Houston	51 min

Nearby

Tornado Warnings in Alabama, 2021 Every tornado warning in 2021 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.