Alert archive / Florida / Tornado Warnings in 2022

Tornado Warning 20, NWS Melbourne, FL

September 28, 2022Indian River County, Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 28, 2022, 8:07 AM EDT for Indian River County, Osceola County, Florida. It was in force for 23 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, 8:07 AM EDT (12:07 UTC)
Expired: Sep 28, 2022, 8:30 AM EDT
In force: 23 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Indian River County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 52 km from the middle of the area, began a volume at 12:07 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.

Issued	Product	Office	Lasted
Sep 28, 4:59 AM EDT	Tornado Watch	SPC	12 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 0.1 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

940 
WFUS52 KMLB 281207
TORMLB
FLC061-097-281230-
/O.NEW.KMLB.TO.W.0020.220928T1207Z-220928T1230Z/

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

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  West central Indian River County in east central Florida...
  Southeastern Osceola County in east central Florida...

* Until 830 AM EDT.
    
* At 806 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles southwest of Blue Cypress Lake, moving
  northwest at 25 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
  west central Indian River and southeastern Osceola Counties.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 2766 8074 2764 8078 2764 8107 2781 8094
TIME...MOT...LOC 1206Z 116DEG 23KT 2765 8083 

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

$$

Sedlock

1 follow-up statement

293 
WWUS52 KMLB 281228
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
828 AM EDT Wed Sep 28 2022

FLC061-097-281237-
/O.EXP.KMLB.TO.W.0020.000000T0000Z-220928T1230Z/
Indian River FL-Osceola FL-
828 AM EDT Wed Sep 28 2022

...THE TORNADO WARNING FOR WEST CENTRAL INDIAN RIVER AND SOUTHEASTERN
OSCEOLA COUNTIES WILL EXPIRE AT 830 AM EDT...
                
The storm which prompted the warning has weakened below severe 
limits, and no longer appears capable of producing a tornado, but 
will continue to monitor if circulation tightens again.
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 2766 8074 2764 8078 2764 8107 2781 8094
TIME...MOT...LOC 1227Z 116DEG 23KT 2769 8092 

$$

Sedlock

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 27, 10:24 PM EDT	Tornado Warning	MLB	Martin	36 min
Sep 27, 11:18 PM EDT	Tornado Warning	MLB	Martin, Saint Lucie	27 min
Sep 28, 7:34 AM EDT	Areal Flood Warning	MLB	Martin, Saint Lucie	116 min
Sep 28, 8:16 AM EDT	Tornado Warning	MLB	Indian River	29 min
Sep 28, 8:48 AM EDT	Areal Flood Warning	MLB	Brevard, Indian River	117 min
Sep 28, 12:50 PM EDT	Areal Flood Warning	MLB	Brevard, Orange, Osceola, Volusia	3 hr
Sep 28, 12:53 PM EDT	Tornado Warning	MLB	Okeechobee	22 min
Sep 28, 2:00 PM EDT	Tornado Warning	MLB	Brevard, Indian River	30 min
Sep 28, 2:32 PM EDT	Tornado Warning	MLB	Brevard, Osceola	28 min
Sep 28, 2:53 PM EDT	Tornado Warning	MLB	Osceola	20 min
Sep 28, 4:22 PM EDT	Areal Flood Warning	MLB	Brevard, Lake, Orange, Osceola, Seminole, Volusia	4 hr
Sep 28, 7:59 PM EDT	Areal Flood Warning	MLB	Brevard, Lake, Orange, Osceola, Seminole, Volusia	4 hr

Nearby

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