Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 18, NWS Tallahassee, FL

March 18, 2021Dixie County, Lafayette County, Taylor County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 18, 2021, 1:21 PM EDT for Dixie County, Lafayette County, Taylor County, Florida. It was in force for 24 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, 1:21 PM EDT (17:21 UTC)
Expired
Mar 18, 2021, 1:45 PM EDT
In force
24 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Dixie County, FL, Lafayette County, FL, Taylor County, FL

The radar

The Tallahassee radar (KTLH), 129 km from the middle of the area, began a volume at 17:23 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 nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 5.4 hours before the alert went out and 179 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, Jacksonville, FL at 12:00Z on 2021-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 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, Jacksonville, FL at 12:00Z on 2021-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
162 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

718 
WFUS52 KTAE 181721
TORTAE
FLC029-067-123-181745-
/O.NEW.KTAE.TO.W.0018.210318T1721Z-210318T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
121 PM EDT Thu Mar 18 2021

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  South central Lafayette County in Big Bend of Florida...
  Northern Dixie County in Big Bend of Florida...
  Southeastern Taylor County in Big Bend of Florida...

* Until 145 PM EDT.
    
* At 121 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Steinhatchee, 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
  south central Lafayette, northern Dixie and southeastern Taylor
  Counties, including the following locations... Shamrock, Hines,
  Jonesboro, Cross City Airport and Jena.

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 2954 8343 2964 8350 2992 8313 2967 8297
TIME...MOT...LOC 1721Z 241DEG 31KT 2963 8340 

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

$$
1 follow-up statement
033 
WWUS52 KTAE 181739
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
139 PM EDT Thu Mar 18 2021

FLC123-181749-
/O.CAN.KTAE.TO.W.0018.000000T0000Z-210318T1745Z/
Taylor FL-
139 PM EDT Thu Mar 18 2021

...THE TORNADO WARNING FOR SOUTHEASTERN TAYLOR COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 2958 8330 2968 8337 2969 8335 2976 8334
      2984 8324 2990 8315 2966 8300
TIME...MOT...LOC 1739Z 241DEG 31KT 2970 8325 

$$

FLC029-067-181745-
/O.CON.KTAE.TO.W.0018.000000T0000Z-210318T1745Z/
Lafayette FL-Dixie FL-
139 PM EDT Thu Mar 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR SOUTH
CENTRAL LAFAYETTE AND NORTHERN DIXIE COUNTIES...
    
At 139 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Steinhatchee, 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.

Locations impacted include...
Cross City, Shamrock, Hines, Jonesboro and Cross City Airport. 

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 2958 8330 2968 8337 2969 8335 2976 8334
      2984 8324 2990 8315 2966 8300
TIME...MOT...LOC 1739Z 241DEG 31KT 2970 8325 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 4:18 AM EDTSpecial Marine WarningTAE3 hr
Mar 18, 4:45 AM EDTSpecial Weather StatementTAEHolmes, Walton75 min
Mar 18, 5:29 AM EDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington61 min
Mar 18, 6:40 AM EDTSevere Thunderstorm WarningTAEBay, Walton, Washington64 min
Mar 18, 6:44 AM EDTSpecial Marine WarningTAE3 hr
Mar 18, 7:02 AM EDTTornado WarningTAEBay, Washington28 min
Mar 18, 7:05 AM EDTTornado WarningTAEBay, Calhoun, Gulf40 min
Mar 18, 7:19 AM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Franklin, Gulf, Holmes, Jackson and 2 more86 min
Mar 18, 7:48 AM EDTTornado WarningTAEBay, Gulf27 min
Mar 18, 8:19 AM EDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gadsden, Gulf, Leon, Liberty and 1 more56 min
Mar 18, 8:24 AM EDTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty51 min
Mar 18, 9:08 AM EDTSpecial Marine WarningTAE2 hr
Mar 18, 9:11 AM EDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Gulf, Jefferson, Leon, Liberty and 1 more64 min
Mar 18, 10:07 AM EDTSpecial Weather StatementTAEJefferson, Wakulla38 min
Mar 18, 10:52 AM EDTSpecial Weather StatementTAEJefferson, Madison53 min
Mar 18, 11:04 AM EDTSpecial Marine WarningTAE116 min
Mar 18, 11:49 AM EDTSpecial Weather StatementTAETaylor41 min
Mar 18, 12:36 PM EDTSpecial Weather StatementTAEDixie, Lafayette84 min
Mar 18, 12:55 PM EDTSpecial Marine WarningTAE110 min
Mar 18, 1:44 PM EDTSevere Thunderstorm WarningTAEDixie, Lafayette31 min
Mar 18, 2:06 PM EDTSpecial Weather StatementTAEDixie39 min

Nearby

Tornado Warnings in Florida, 2021Every tornado warning in 2021Tornadoes 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.