Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 14, NWS Tallahassee, FL

March 18, 2021Bay County, Calhoun County, Gulf County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 18, 2021, 6:05 AM CDT for Bay County, Calhoun County, Gulf County, Florida. It was in force for 40 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, 6:05 AM CDT (11:05 UTC)
Expired
Mar 18, 2021, 6:45 AM CDT
In force
40 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bay County, FL, Calhoun County, FL, Gulf County, FL

The radar

The Eglin Afb radar (KEVX), 55 km from the middle of the area, began a volume at 11:05 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, 6:20 AM CDTTSTM WND DMGBayou George, FLREPORT OF FENCES DOWN AND ROOF DAMAGE NEAR BAYOU GEORGE.
Mar 18, 6:25 AM CDTTORNADOBayou George, FLEF1 TORNADO CONFIRMED FROM STORM SURVEY.
Mar 18, 6:32 AM CDTMARINE TSTM WIND 404 Se Tyndall Afb, FLAWOS STATION KTDR 4 SE TYNDALL AFB.

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, 11.1 hours before the alert went out and 120 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.

684 
WFUS52 KTAE 181105
TORTAE
FLC005-013-045-181145-
/O.NEW.KTAE.TO.W.0014.210318T1105Z-210318T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
605 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...
  Bay County in the Panhandle of Florida...
  Southwestern Calhoun County in the Panhandle of Florida...

* Until 645 AM CDT.
    
* At 605 AM CDT, severe thunderstorms capable of producing a tornado
  were located along a line extending from 9 miles northwest of Lynn
  Haven to 14 miles southwest of Tyndall Air Force Base, 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.

* These dangerous storms will be near...
  Callaway around 640 AM CDT.

Other locations impacted by these tornadic storms include St Andrews
State Park, Southport, Allanton, Cedar Grove, Dirego Park, Beacon
Beach, College Station, Bayou George, Camp Flowers and Biltmore
Beach.

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 3042 8537 3003 8531 2991 8553 3006 8578
      3037 8581
TIME...MOT...LOC 1105Z 222DEG 29KT 3034 8576 2989 8573 

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

$$

42-DVD

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, 6:19 AM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Franklin, Gulf, Holmes, Jackson and 2 more86 min
Mar 18, 6:48 AM CDTTornado WarningTAEBay, Gulf27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.