Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 17, NWS Melbourne, FL

June 6, 2020Seminole County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 6, 2020, 7:49 PM EDT for Seminole County, Florida. It was in force for 26 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
Jun 6, 2020, 7:49 PM EDT (23:49 UTC)
Expired
Jun 6, 2020, 8:15 PM EDT
In force
26 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Seminole County, FL

The radar

The Melbourne radar (KMLB), 93 km from the middle of the area, began a volume at 23:48 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

TimeReportWhereRemark
Jun 6, 8:00 PM EDTFUNNEL CLOUD2 N Altamonte Springs, FLTRAINED SPOTTER REPORTED A FUNNEL CLOUD IN THE AREA OF I4 AND SR 434 AT 800PM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 11.8 hours before the alert went out and 84 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 2020-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 895 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 2020-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
895 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1015 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

441 
WFUS52 KMLB 062349
TORMLB
FLC117-070015-
/O.NEW.KMLB.TO.W.0017.200606T2349Z-200607T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
749 PM EDT Sat Jun 6 2020

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Western Seminole County in east central Florida...

* Until 815 PM EDT.
    
* At 748 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Fern Park, or over Maitland, moving north at 15
  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.

* Locations impacted include...
  Sanford, Altamonte Springs, Winter Springs, Casselberry and Lake
  Mary.

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 2883 8123 2861 8128 2861 8133 2864 8133
      2864 8139 2883 8141
TIME...MOT...LOC 2348Z 184DEG 15KT 2866 8136 

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

$$

Rodriguez
3 follow-up statements
747 
WWUS52 KMLB 062357
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
757 PM EDT Sat Jun 6 2020

FLC117-070015-
/O.CON.KMLB.TO.W.0017.000000T0000Z-200607T0015Z/
Seminole FL-
757 PM EDT Sat Jun 6 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR WESTERN
SEMINOLE COUNTY...
    
At 756 PM EDT, a severe thunderstorm capable of producing a tornado 
was located over Longwood, moving north at 20 mph. This storm has a 
history of producing a damaging tornado. 

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.

Locations impacted include...
Sanford, Altamonte Springs, Winter Springs, Casselberry and Lake
Mary.

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 2864 8127 2864 8139 2883 8141 2883 8123
TIME...MOT...LOC 2356Z 187DEG 18KT 2869 8134 

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

$$

Rodriguez
112 
WWUS52 KMLB 070000
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
800 PM EDT Sat Jun 6 2020

FLC117-070015-
/O.CON.KMLB.TO.W.0017.000000T0000Z-200607T0015Z/
Seminole FL-
800 PM EDT Sat Jun 6 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR WESTERN
SEMINOLE COUNTY...
        
At 759 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Longwood, moving north at 15 mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported a funnel cloud near Interstate 4 
         and State Road 434.

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.

Locations impacted include...
Sanford, Altamonte Springs, Winter Springs, Casselberry and Lake
Mary.

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 2866 8127 2866 8139 2883 8141 2883 8123
TIME...MOT...LOC 2359Z 184DEG 15KT 2871 8134 

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

$$

Rodriguez
446 
WWUS52 KMLB 070009
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
809 PM EDT Sat Jun 6 2020

FLC117-070015-
/O.CON.KMLB.TO.W.0017.000000T0000Z-200607T0015Z/
Seminole FL-
809 PM EDT Sat Jun 6 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHWESTERN SEMINOLE COUNTY...
    
At 808 PM EDT, a severe thunderstorm capable of producing a tornado 
was located over Lake Mary, moving north at 20 mph. This storm has a 
history of producing a tornado, and a funnel cloud was recently 
reported near Longwood.

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.

Locations impacted include...
Sanford, Winter Springs, Casselberry, Lake Mary and Longwood. 

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 2869 8126 2869 8139 2883 8140 2883 8123
TIME...MOT...LOC 0008Z 183DEG 15KT 2875 8132 

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

$$

Rodriguez

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 10:06 PM EDTAreal Flood AdvisoryMLBMartin8 hr
Jun 6, 4:07 PM EDTTornado WarningMLBVolusia23 min
Jun 6, 4:29 PM EDTSpecial Weather StatementMLBFlagler16 min
Jun 6, 5:31 PM EDTSpecial Weather StatementMLBOrange29 min
Jun 6, 5:39 PM EDTTornado WarningMLBOrange36 min
Jun 6, 6:05 PM EDTTornado WarningMLBOrange25 min
Jun 6, 6:12 PM EDTSpecial Weather StatementMLBLake33 min
Jun 6, 6:30 PM EDTSpecial Weather StatementMLBOrange30 min
Jun 6, 7:02 PM EDTSpecial Weather StatementMLBVolusia43 min
Jun 6, 7:14 PM EDTSpecial Weather StatementMLBLake31 min
Jun 6, 7:16 PM EDTSpecial Weather StatementMLBOrange29 min
Jun 6, 7:22 PM EDTTornado WarningMLBOrange, Seminole38 min
Jun 6, 7:50 PM EDTSpecial Weather StatementMLBVolusia40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.