Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 10, NWS Melbourne, FL

November 2, 2018Lake County, Orange County, Florida

NWS Melbourne, FL issued this tornado warning at Nov 2, 2018, 4:45 PM EDT for Lake County, Orange County, Florida. It was in force for 17 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: Nov 2, 2018, 4:45 PM EDT (20:45 UTC)
Expired: Nov 2, 2018, 5:02 PM EDT
In force: 17 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Lake County, FL, Orange County, FL

The radar

The Melbourne radar (KMLB), 107 km from the middle of the area, began a volume at 20:49 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 12:00Z, 8.8 hours before the alert went out and 110 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: 9 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 963 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

711 
WFUS52 KMLB 022045
TORMLB
FLC069-095-022115-
/O.NEW.KMLB.TO.W.0010.181102T2045Z-181102T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
445 PM EDT FRI NOV 2 2018

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  South central Lake County in east central Florida...
  Western Orange County in east central Florida...

* Until 515 PM EDT.

* At 443 PM EDT, severe thunderstorms capable of producing both 
  tornadoes and extensive straight line wind damage were located 
  near 8 miles west of Horizon West moving east at 45 mph. An 
  additional tornado was developing near Little Lake Harris.

  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.

* These dangerous storms will be near...
  Ocoee, Winter Garden and Windermere around 450 PM EDT.
  Oak Ridge, Orlovista and Universal Studios around 500 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Minneola.

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  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 2843 8169 2869 8180 2879 8152 2844 8141
TIME...MOT...LOC 2043Z 252DEG 38KT 2847 8165 

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

$$
15

2 follow-up statements

995 
WWUS52 KMLB 022050
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
450 PM EDT FRI NOV 2 2018

FLC069-095-022115-
/O.CON.KMLB.TO.W.0010.000000T0000Z-181102T2115Z/
Lake FL-Orange FL-
450 PM EDT FRI NOV 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR SOUTH
CENTRAL LAKE AND WESTERN ORANGE COUNTIES...
    
At 449 PM EDT, a severe thunderstorm capable of producing a tornado
was located 4 miles west of Windermere, moving east at 45 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...
  Ocoee, Winter Garden and Windermere around 455 PM EDT.
  Oak Ridge, Orlovista and Universal Studios around 500 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Minneola.

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 or in a vehicle,
move to the closest substantial shelter and protect yourself from
flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 2843 8169 2869 8180 2879 8152 2844 8141
TIME...MOT...LOC 2049Z 252DEG 38KT 2849 8157 

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

$$

15

057 
WWUS52 KMLB 022102
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
502 PM EDT FRI NOV 2 2018

FLC069-095-022111-
/O.CAN.KMLB.TO.W.0010.000000T0000Z-181102T2115Z/
Lake FL-Orange FL-
502 PM EDT FRI NOV 2 2018

...THE TORNADO WARNING FOR SOUTH CENTRAL LAKE AND WESTERN ORANGE
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However strong gusty 
winds up to 50 to 55 mph and heavy rain are still possible with this 
thunderstorm as it moves eastward across Orlando.

LAT...LON 2843 8169 2869 8180 2879 8152 2844 8141
TIME...MOT...LOC 2058Z 252DEG 38KT 2853 8143 

$$

15

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 2, 3:54 PM EDT	Severe Thunderstorm Warning	MLB	Lake	51 min
Nov 2, 4:36 PM EDT	Special Weather Statement	MLB	Orange	54 min
Nov 2, 4:58 PM EDT	Special Weather Statement	MLB	Orange, Osceola	47 min
Nov 2, 5:01 PM EDT	Special Marine Warning	MLB		119 min
Nov 2, 5:05 PM EDT	Special Weather Statement	MLB	Seminole, Volusia	40 min
Nov 2, 5:25 PM EDT	Special Marine Warning	MLB		95 min
Nov 2, 5:26 PM EDT	Special Marine Warning	MLB		94 min
Nov 2, 5:33 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola, Seminole, Volusia	42 min
Nov 2, 5:46 PM EDT	Special Weather Statement	MLB	Martin	29 min

Nearby

Tornado Warnings in Florida, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.