Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 17, NWS Tallahassee, FL

March 18, 2021Bay County, Gulf County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 18, 2021, 6:48 AM CDT for Bay County, Gulf County, Florida. It was in force for 27 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, 6:48 AM CDT (11:48 UTC)
Expired
Mar 18, 2021, 7:15 AM CDT
In force
27 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bay County, FL, Gulf County, FL

The radar

The Eglin Afb radar (KEVX), 84 km from the middle of the area, began a volume at 11:48 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.

IssuedProductOfficeLasted
Mar 17, 11:02 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.8 hours before the alert went out and 94 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.

927 
WFUS52 KTAE 181148
TORTAE
FLC005-045-181215-
/O.NEW.KTAE.TO.W.0017.210318T1148Z-210318T1215Z/

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

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Northwestern Gulf County in the Panhandle of Florida...
  East central Bay County in the Panhandle of Florida...

* Until 715 AM CDT.
    
* At 648 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles west of Wewahitchka, or 12 miles east of
  Callaway, moving northeast at 40 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...
  Stonemill Creek and Wewahitchka around 705 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Chipola Cutoff, Overstreet, Honeyville, Wewahitchka and Wetappo.

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 3015 8549 3020 8539 3020 8512 3017 8514
      3014 8513 3012 8514 3012 8513 3011 8514
      3011 8515 3010 8514 3009 8515 3008 8514
      3007 8514 2998 8540
TIME...MOT...LOC 1148Z 243DEG 35KT 3010 8538 

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

$$

42-DVD
1 follow-up statement
765 
WWUS52 KTAE 181200
SVSTAE

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

FLC005-181209-
/O.CAN.KTAE.TO.W.0017.000000T0000Z-210318T1215Z/
Bay FL-
700 AM CDT Thu Mar 18 2021

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

A Tornado Watch remains in effect until 800 AM CDT for the Panhandle
of Florida. A Tornado Watch also remains in effect until noon CDT for
Big Bend of and the Panhandle of Florida.

LAT...LON 3000 8539 3013 8536 3020 8539 3020 8512
      3017 8514 3015 8514 3014 8513 3013 8514
      3012 8513 3011 8515 3010 8514 3009 8515
      3007 8514 2998 8539
TIME...MOT...LOC 1159Z 243DEG 35KT 3015 8526 

$$

FLC045-181215-
/O.CON.KTAE.TO.W.0017.000000T0000Z-210318T1215Z/
Gulf FL-
700 AM CDT Thu Mar 18 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
NORTHWESTERN GULF COUNTY...
    
At 659 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Stonemill Creek, or 19 miles east of Callaway,
moving northeast at 40 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...
  Stonemill Creek around 705 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Chipola Cutoff, Overstreet, Honeyville and Wewahitchka.

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 3000 8539 3013 8536 3020 8539 3020 8512
      3017 8514 3015 8514 3014 8513 3013 8514
      3012 8513 3011 8515 3010 8514 3009 8515
      3007 8514 2998 8539
TIME...MOT...LOC 1159Z 243DEG 35KT 3015 8526 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 3:18 AM CDTSpecial Marine WarningTAE3 hr
Mar 18, 3:45 AM CDTSpecial Weather StatementTAEHolmes, Walton75 min
Mar 18, 4:29 AM CDTSevere Thunderstorm WarningTAEHolmes, Walton, Washington61 min
Mar 18, 5:40 AM CDTSevere Thunderstorm WarningTAEBay, Walton, Washington64 min
Mar 18, 5:44 AM CDTSpecial Marine WarningTAE3 hr
Mar 18, 6:02 AM CDTTornado WarningTAEBay, Washington28 min
Mar 18, 6:05 AM CDTTornado WarningTAEBay, Calhoun, Gulf40 min
Mar 18, 6:19 AM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Franklin, Gulf, Holmes, Jackson and 2 more86 min
Mar 18, 7:19 AM CDTSevere Thunderstorm WarningTAECalhoun, Franklin, Gadsden, Gulf, Leon, Liberty and 1 more56 min
Mar 18, 7:24 AM CDTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty51 min
Mar 18, 8:08 AM CDTSpecial Marine WarningTAE2 hr
Mar 18, 8:11 AM CDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Gulf, Jefferson, Leon, Liberty and 1 more64 min
Mar 18, 9:07 AM CDTSpecial Weather StatementTAEJefferson, Wakulla38 min
Mar 18, 9:52 AM CDTSpecial Weather StatementTAEJefferson, Madison53 min
Mar 18, 10:04 AM CDTSpecial Marine WarningTAE116 min
Mar 18, 10:49 AM CDTSpecial Weather StatementTAETaylor41 min
Mar 18, 11:36 AM CDTSpecial Weather StatementTAEDixie, Lafayette84 min
Mar 18, 11:55 AM CDTSpecial Marine WarningTAE110 min
Mar 18, 12:21 PM CDTTornado WarningTAEDixie, Lafayette, Taylor24 min
Mar 18, 12:44 PM CDTSevere Thunderstorm WarningTAEDixie, Lafayette31 min
Mar 18, 1:06 PM CDTSpecial 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.