Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 25, NWS Melbourne, FL

June 7, 2020Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 7, 2020, 8:34 PM EDT for Volusia County, Florida. It was in force for 26 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
Jun 7, 2020, 8:34 PM EDT (00:34 UTC)
Expired
Jun 7, 2020, 9:00 PM EDT
In force
26 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 141 km from the middle of the area, began a volume at 00:37 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 0.6 hours before the alert went out and 111 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 00:00Z on 2020-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2042 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 00:00Z on 2020-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939Sfc1 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
2042 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.6

Open this sounding in Storm Lab

The text

As transmitted.

021 
WFUS52 KMLB 080034
TORMLB
FLC127-080100-
/O.NEW.KMLB.TO.W.0025.200608T0034Z-200608T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
834 PM EDT Sun Jun 7 2020

The National Weather Service in Melbourne has issued a

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

* Until 900 PM EDT.
    
* At 833 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Daytona International Speedway, or near South
  Daytona, moving north 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 dangerous storm will be near...
  Daytona Beach around 840 PM EDT.
  Ormond Beach and Holly Hill around 850 PM EDT.
  Ormond-By-the-Sea around 900 PM EDT.

Other locations impacted by this tornadic thunderstorm include Ormond
Beach Airport.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2943 8107 2921 8096 2906 8107 2909 8118
      2927 8116 2927 8115 2942 8115 2943 8111
      2942 8111 2943 8110
TIME...MOT...LOC 0033Z 191DEG 31KT 2915 8110 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Leahy
1 follow-up statement
268 
WWUS52 KMLB 080048
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
848 PM EDT Sun Jun 7 2020

FLC127-080100-
/O.CON.KMLB.TO.W.0025.000000T0000Z-200608T0100Z/
Volusia FL-
848 PM EDT Sun Jun 7 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR NORTH
CENTRAL VOLUSIA COUNTY...
    
At 847 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Ormond Beach, moving north 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 dangerous storm will be near...
  Ormond-By-the-Sea around 900 PM EDT.

Other locations impacted by this tornadic thunderstorm include Ormond
Beach Airport.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2943 8107 2922 8099 2920 8105 2922 8115
      2927 8116 2927 8115 2942 8115 2943 8111
      2942 8111 2943 8110
TIME...MOT...LOC 0047Z 191DEG 31KT 2928 8107 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Leahy

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:10 PM EDTSpecial Weather StatementMLBVolusia50 min
Jun 7, 8:22 PM EDTSevere Thunderstorm WarningMLBVolusia40 min
Jun 7, 8:27 PM EDTSpecial Marine WarningMLB56 min
Jun 8, 1:40 PM EDTSpecial Weather StatementMLBLake35 min
Jun 8, 2:12 PM EDTSpecial Weather StatementMLBVolusia33 min
Jun 8, 2:26 PM EDTSpecial Marine WarningMLB64 min
Jun 8, 2:36 PM EDTSpecial Weather StatementMLBVolusia39 min
Jun 8, 3:30 PM EDTAreal Flood AdvisoryMLBMartin60 min
Jun 8, 3:43 PM EDTSpecial Marine WarningMLB2 hr
Jun 8, 3:51 PM EDTSpecial Weather StatementMLBBrevard39 min
Jun 8, 4:00 PM EDTSpecial Weather StatementMLBOkeechobee45 min
Jun 8, 5:37 PM EDTSpecial Weather StatementMLBIndian River53 min

Nearby

Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes in 2020

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.