Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 5, NWS Melbourne, FL

October 28, 2021Indian River County, Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Oct 28, 2021, 4:59 PM EDT for Indian River County, Osceola County, Florida. It was in force for 31 min. 1 report 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: Oct 28, 2021, 4:59 PM EDT (20:59 UTC)
Expired: Oct 28, 2021, 5:30 PM EDT
In force: 31 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Indian River County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 50 km from the middle of the area, began a volume at 21:00 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

Time	Report	Where	Remark
Oct 28, 5:00 PM EDT	TORNADO	5 W Yeehaw Junction, FL	TRAINED SPOTTER REPORTS TORNADO NEAR KISSIMMEE PRAIRIE PRESERVE JUST BEFORE 5 PM. MOVED OFF TO THE NORTHEAST.

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.

Issued	Product	Office	Lasted
Oct 28, 9:00 AM EDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 9.0 hours before the alert went out and 92 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1603 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

841 
WFUS52 KMLB 282059
TORMLB
FLC061-097-282130-
/O.NEW.KMLB.TO.W.0005.211028T2059Z-211028T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
459 PM EDT Thu Oct 28 2021

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 530 PM EDT.
    
* At 458 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Kissimmee Prairie Preserve, or 13
  miles south of Kenansville, moving northeast 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
  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.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Melbourne.

&&

LAT...LON 2764 8105 2775 8109 2786 8087 2782 8087
      2782 8085 2764 8079
TIME...MOT...LOC 2058Z 235DEG 25KT 2768 8100 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Sedlock

2 follow-up statements

460 
WWUS52 KMLB 282114
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
514 PM EDT Thu Oct 28 2021

FLC061-097-282130-
/O.CON.KMLB.TO.W.0005.000000T0000Z-211028T2130Z/
Indian River FL-Osceola FL-
514 PM EDT Thu Oct 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR WEST
CENTRAL INDIAN RIVER AND EASTERN OSCEOLA COUNTIES...
    
At 514 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Blue Cypress Lake, 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
west central Indian River and eastern 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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2771 8091 2778 8095 2786 8087 2782 8087
      2782 8085 2773 8082
TIME...MOT...LOC 2114Z 237DEG 29KT 2775 8088 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Sedlock

717 
WWUS52 KMLB 282126
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
526 PM EDT Thu Oct 28 2021

FLC061-097-282135-
/O.EXP.KMLB.TO.W.0005.000000T0000Z-211028T2130Z/
Indian River FL-Osceola FL-
526 PM EDT Thu Oct 28 2021

...THE TORNADO WARNING FOR WEST CENTRAL INDIAN RIVER AND EASTERN
OSCEOLA COUNTIES WILL EXPIRE AT 530 PM EDT...
        
The storm which prompted the warning has moved further east, and a 
new tornado warning has been issued for portions of northwest Indian 
River County and southern Brevard County.

A Tornado Watch remains in effect until 700 PM EDT for east central
Florida.

LAT...LON 2771 8091 2778 8095 2786 8087 2782 8087
      2782 8085 2773 8082
TIME...MOT...LOC 2125Z 235DEG 25KT 2779 8081 

$$

Sedlock

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 28, 11:13 AM EDT	Special Weather Statement	MLB	Seminole	47 min
Oct 28, 11:27 AM EDT	Special Marine Warning	MLB		46 min
Oct 28, 1:14 PM EDT	Special Weather Statement	MLB	Lake	76 min
Oct 28, 1:38 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange	52 min
Oct 28, 2:14 PM EDT	Special Weather Statement	MLB	Lake, Volusia	61 min
Oct 28, 2:19 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole	41 min
Oct 28, 2:37 PM EDT	Special Marine Warning	MLB		83 min
Oct 28, 2:49 PM EDT	Special Marine Warning	MLB		41 min
Oct 28, 2:55 PM EDT	Special Weather Statement	MLB	Orange	50 min
Oct 28, 3:13 PM EDT	Special Weather Statement	MLB	Volusia	47 min
Oct 28, 3:29 PM EDT	Tornado Warning	MLB	Volusia	16 min
Oct 28, 3:52 PM EDT	Special Weather Statement	MLB	Brevard, Osceola, Seminole	53 min
Oct 28, 3:55 PM EDT	Special Marine Warning	MLB		65 min
Oct 28, 4:13 PM EDT	Special Marine Warning	MLB		41 min
Oct 28, 4:19 PM EDT	Special Weather Statement	MLB	Okeechobee	41 min
Oct 28, 5:21 PM EDT	Tornado Warning	MLB	Brevard, Indian River	24 min
Oct 28, 5:41 PM EDT	Special Marine Warning	MLB		2 hr
Oct 28, 5:43 PM EDT	Special Weather Statement	MLB	Indian River	47 min

Nearby

Tornado Warnings in Florida, 2021 Every tornado warning in 2021 Tornadoes 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.