Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 15, NWS Tampa Bay, FL

October 28, 2021DeSoto County, Hardee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Oct 28, 2021, 3:11 PM EDT for DeSoto County, Hardee County, Florida. It was in force for 19 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
Oct 28, 2021, 3:11 PM EDT (19:11 UTC)
Expired
Oct 28, 2021, 3:30 PM EDT
In force
19 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties DeSoto County, FL, Hardee County, FL

The radar

The Tampa radar (KTBW), 80 km from the middle of the area, began a volume at 19:11 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
Oct 28, 9:00 AM EDTTornado WatchSPC10 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.2 hours before the alert went out and 80 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, Tampa Bay, FL at 12:00Z on 2021-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1406 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, Tampa Bay, FL at 12:00Z on 2021-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.193958Sfc1 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
1406 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
675 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
1.5
Supercell composite
10.9

Open this sounding in Storm Lab

The text

As transmitted.

310 
WFUS52 KTBW 281911
TORTBW
FLC027-049-281930-
/O.NEW.KTBW.TO.W.0015.211028T1911Z-211028T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
311 PM EDT Thu Oct 28 2021

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  South central Hardee County in central Florida...
  Northeastern DeSoto County in south central Florida...

* Until 330 PM EDT.
    
* At 310 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Arcadia, 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 Hardee and northeastern DeSoto Counties, including
  the following locations... Brownville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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 2719 8182 2725 8186 2740 8171 2727 8161
TIME...MOT...LOC 1910Z 229DEG 31KT 2725 8180 

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

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 4:01 AM EDTGale WarningTBW43 hr
Oct 28, 4:01 AM EDTSmall Craft AdvisoryTBW64 hr
Oct 28, 7:42 AM EDTSpecial Marine WarningTBW33 min
Oct 28, 10:16 AM EDTSpecial Marine WarningTBW59 min
Oct 28, 10:48 AM EDTSpecial Weather StatementTBWLevy42 min
Oct 28, 11:15 AM EDTSpecial Marine WarningTBW60 min
Oct 28, 11:29 AM EDTSpecial Weather StatementTBWCitrus, Levy61 min
Oct 28, 12:17 PM EDTSpecial Marine WarningTBW58 min
Oct 28, 12:29 PM EDTSpecial Weather StatementTBWCitrus, Hernando, Pasco, Sumter61 min
Oct 28, 1:00 PM EDTSevere Thunderstorm WarningTBWHillsborough, Pasco, Pinellas, Polk45 min
Oct 28, 1:02 PM EDTSpecial Weather StatementTBWHillsborough, Manatee, Pinellas, Sarasota58 min
Oct 28, 1:16 PM EDTTornado WarningTBWHillsborough, Pinellas13 min
Oct 28, 1:18 PM EDTSpecial Marine WarningTBW57 min
Oct 28, 1:19 PM EDTTornado WarningTBWManatee, Sarasota26 min
Oct 28, 1:33 PM EDTSpecial Weather StatementTBWSumter42 min
Oct 28, 1:52 PM EDTTornado WarningTBWHardee, Manatee, Sarasota23 min
Oct 28, 1:59 PM EDTSpecial Weather StatementTBWHillsborough, Manatee, Sarasota46 min
Oct 28, 2:10 PM EDTSpecial Marine WarningTBW65 min
Oct 28, 2:14 PM EDTTornado WarningTBWManatee16 min
Oct 28, 2:27 PM EDTTornado WarningTBWHardee, Manatee18 min
Oct 28, 2:46 PM EDTSpecial Weather StatementTBWDeSoto, Hardee, Polk44 min
Oct 28, 2:54 PM EDTTornado WarningTBWManatee, Sarasota21 min
Oct 28, 2:57 PM EDTTornado WarningTBWDeSoto18 min
Oct 28, 3:18 PM EDTSpecial Marine WarningTBW57 min
Oct 28, 3:36 PM EDTSpecial Weather StatementTBWCharlotte, DeSoto, Hardee, Highlands39 min
Oct 28, 4:29 PM EDTSpecial Marine WarningTBW46 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.