Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 4, NWS Melbourne, FL

October 28, 2021Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Oct 28, 2021, 3:29 PM EDT for Volusia County, Florida. It was in force for 16 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, 3:29 PM EDT (19:29 UTC)
Expired: Oct 28, 2021, 3:45 PM EDT
In force: 16 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 103 km from the middle of the area, began a volume at 19:34 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
Oct 28, 9:00 AM EDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.5 hours before the alert went out and 73 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.

802 
WFUS52 KMLB 281929
TORMLB
FLC127-281945-
/O.NEW.KMLB.TO.W.0004.211028T1929Z-211028T1945Z/

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

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  East central Volusia County in east central Florida...

* Until 345 PM EDT.
    
* At 326 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Edgewater, 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 dangerous storm will be near...
  New Smyrna Beach, Edgewater and Bethune Beach around 340 PM EDT.

Other locations impacted by this tornadic thunderstorm include Turtle
Mound.

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 2908 8089 2892 8077 2886 8107 2899 8110
      2911 8090
TIME...MOT...LOC 1926Z 245DEG 28KT 2896 8101 

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

$$

Leahy

1 follow-up statement

083 
WWUS52 KMLB 281936
SVSMLB

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

FLC127-281945-
/O.CON.KMLB.TO.W.0004.000000T0000Z-211028T1945Z/
Volusia FL-
336 PM EDT Thu Oct 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR EAST
CENTRAL VOLUSIA COUNTY...
    
At 336 PM EDT, a severe thunderstorm capable of producing a tornado
was located over New Smyrna Beach, 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
east central Volusia County, including the following locations...
Turtle Mound.

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 2908 8089 2895 8079 2890 8098 2902 8104
      2911 8090
TIME...MOT...LOC 1936Z 244DEG 27KT 2899 8094 

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

$$

Leahy

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, 3:52 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, 4:59 PM EDT	Tornado Warning	MLB	Indian River, Osceola	31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.