Alert archive / Florida / Tornado Warnings in 2022

Tornado Warning 22, NWS Melbourne, FL

September 28, 2022Okeechobee County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 28, 2022, 12:53 PM EDT for Okeechobee County, Florida. It was in force for 22 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
Sep 28, 2022, 12:53 PM EDT (16:53 UTC)
Expired
Sep 28, 2022, 1:15 PM EDT
In force
22 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 82 km from the middle of the area, began a volume at 16:52 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
Sep 28, 4:59 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 4.9 hours before the alert went out and 123 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, Cape Canaveral, FL at 12:00Z on 2022-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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, Cape Canaveral, FL at 12:00Z on 2022-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
21 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

023 
WFUS52 KMLB 281653
TORMLB
FLC093-281715-
/O.NEW.KMLB.TO.W.0022.220928T1653Z-220928T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
1253 PM EDT Wed Sep 28 2022

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Northwestern Okeechobee County in east central Florida...

* Until 115 PM EDT.
    
* At 1253 PM EDT, a severe thunderstorm capable of producing a
  tornado was located near Kissimmee Prarie Preserve, or 10 miles
  northwest of Basinger, moving northwest at 30 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
  northwestern Okeechobee County.

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 2746 8117 2748 8118 2749 8120 2751 8120
      2753 8121 2754 8120 2755 8121 2756 8118
      2760 8114 2765 8114 2764 8111 2755 8103
      2743 8114
TIME...MOT...LOC 1653Z 136DEG 28KT 2752 8112 

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

$$

Sedlock
1 follow-up statement
126 
WWUS52 KMLB 281710
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
110 PM EDT Wed Sep 28 2022

FLC093-281719-
/O.EXP.KMLB.TO.W.0022.000000T0000Z-220928T1715Z/
Okeechobee FL-
110 PM EDT Wed Sep 28 2022

...THE TORNADO WARNING FOR NORTHWESTERN OKEECHOBEE COUNTY WILL EXPIRE
AT 115 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

A Tornado Watch remains in effect until 500 PM EDT for east central
Florida.

LAT...LON 2746 8117 2748 8118 2749 8120 2751 8120
      2753 8121 2754 8120 2755 8121 2756 8118
      2760 8114 2765 8114 2764 8111 2755 8103
      2743 8114
TIME...MOT...LOC 1709Z 136DEG 28KT 2761 8122 

$$

Sedlock

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 10:24 PM EDTTornado WarningMLBMartin36 min
Sep 27, 11:18 PM EDTTornado WarningMLBMartin, Saint Lucie27 min
Sep 28, 7:34 AM EDTAreal Flood WarningMLBMartin, Saint Lucie116 min
Sep 28, 8:07 AM EDTTornado WarningMLBIndian River, Osceola23 min
Sep 28, 8:16 AM EDTTornado WarningMLBIndian River29 min
Sep 28, 8:48 AM EDTAreal Flood WarningMLBBrevard, Indian River117 min
Sep 28, 12:50 PM EDTAreal Flood WarningMLBBrevard, Orange, Osceola, Volusia3 hr
Sep 28, 2:00 PM EDTTornado WarningMLBBrevard, Indian River30 min
Sep 28, 2:32 PM EDTTornado WarningMLBBrevard, Osceola28 min
Sep 28, 2:53 PM EDTTornado WarningMLBOsceola20 min
Sep 28, 4:22 PM EDTAreal Flood WarningMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia4 hr
Sep 28, 7:59 PM EDTAreal Flood WarningMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia4 hr

Nearby

Tornado Warnings in Florida, 2022Every tornado warning in 2022Tornadoes in 2022

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.