Alert archive / Florida / Tornado Warnings in 2023

Tornado Warning 21, NWS Tampa Bay, FL

August 30, 20234 counties in Florida

NWS Tampa Bay, FL issued this tornado warning at Aug 30, 2023, 9:15 AM EDT for 4 counties in Florida. It was in force for 15 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
Aug 30, 2023, 9:15 AM EDT (13:15 UTC)
Expired
Aug 30, 2023, 9:30 AM EDT
In force
15 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, Manatee County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 69 km from the middle of the area, began a volume at 13:16 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

Tampa Bay, FL (KTBW), launched 12:00Z, 1.3 hours before the alert went out and 69 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 2023-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1290 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 2023-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 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
1290 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
1.2
Supercell composite
11.6

Open this sounding in Storm Lab

The text

As transmitted.

224 
WFUS52 KTBW 301315
TORTBW
FLC027-049-081-115-301345-
/O.NEW.KTBW.TO.W.0021.230830T1315Z-230830T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tampa Bay Area Ruskin FL
915 AM EDT Wed Aug 30 2023

The National Weather Service in Ruskin has issued a

* Tornado Warning for...
  Southwestern Hardee County in central Florida...
  Southeastern Manatee County in west central Florida...
  Northwestern DeSoto County in south central Florida...
  East central Sarasota County in west central Florida...

* Until 945 AM EDT.
    
* At 915 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles northeast of North Port, 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...
  Arcadia around 920 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Limestone and Brownville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! If your home is flooded, avoid flood waters. If
possible, take shelter in an interior room. 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 2709 8205 2715 8211 2741 8195 2728 8177
TIME...MOT...LOC 1315Z 219DEG 33KT 2715 8204 

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

$$

TBW
1 follow-up statement
442 
WWUS52 KTBW 301330
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
930 AM EDT Wed Aug 30 2023

FLC027-049-081-115-301339-
/O.CAN.KTBW.TO.W.0021.000000T0000Z-230830T1345Z/
Hardee FL-Manatee FL-DeSoto FL-Sarasota FL-
930 AM EDT Wed Aug 30 2023

...THE TORNADO WARNING FOR SOUTHWESTERN HARDEE...SOUTHEASTERN
MANATEE...NORTHWESTERN DESOTO AND EAST CENTRAL SARASOTA COUNTIES IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

LAT...LON 2709 8205 2715 8211 2741 8195 2728 8177
TIME...MOT...LOC 1327Z 219DEG 33KT 2725 8195 

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:38 PM EDTSpecial Marine WarningTBW37 min
Aug 29, 11:29 PM EDTSpecial Marine WarningTBW31 min
Aug 30, 1:01 AM EDTAreal Flood AdvisoryTBWCharlotte, DeSoto, Hardee, Lee89 min
Aug 30, 1:40 AM EDTTornado WarningTBWHardee, Highlands, Polk20 min
Aug 30, 2:52 AM EDTAreal Flood AdvisoryTBWCharlotte, DeSoto, Hardee, Highlands, Hillsborough, Lee and 3 more3 hr
Aug 30, 4:18 AM EDTTornado WarningTBWHardee, Polk27 min
Aug 30, 4:23 AM EDTTornado WarningTBWCitrus, Hernando, Sumter22 min
Aug 30, 6:03 AM EDTTornado WarningTBWHardee, Highlands, Polk7 min
Aug 30, 6:03 AM EDTTornado WarningTBWDeSoto, Hardee, Highlands, Polk12 min
Aug 30, 6:20 AM EDTTornado WarningTBWHardee, Highlands, Polk25 min
Aug 30, 6:53 AM EDTTornado WarningTBWHardee, Highlands, Polk12 min
Aug 30, 8:24 AM EDTAreal Flood WarningTBWDeSoto, Hardee, Manatee3 hr
Aug 30, 9:07 AM EDTTornado WarningTBWPasco23 min
Aug 30, 11:28 AM EDTAreal Flood WarningTBWDeSoto, Hardee, Manatee, Polk, Sarasota2 hr
Aug 30, 2:09 PM EDTAreal Flood WarningTBWHillsborough, Pasco, Polk, Sumter2 hr
Aug 30, 3:47 PM EDTRiver Flood WarningTBWDeSoto21 days
Aug 30, 3:47 PM EDTRiver Flood WarningTBWManatee54 hr
Aug 30, 5:31 PM EDTSmall Craft AdvisoryTBW14 hr
Aug 30, 5:33 PM EDTCoastal Flood StatementTBWCharlotte, Citrus, Hernando, Hillsborough, Lee, Levy and 4 more10 hr
Aug 30, 5:33 PM EDTRip Current StatementTBWCharlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota26 hr
Aug 30, 5:33 PM EDTHigh Surf AdvisoryTBWCharlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota10 hr

Nearby

Tornado Warnings in Florida, 2023Every tornado warning in 2023Tornadoes in 2023

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.