Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 1, NWS Melbourne, FL

January 4, 2020Lake County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 4, 2020, 10:59 AM EST for Lake 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: Jan 4, 2020, 10:59 AM EST (15:59 UTC)
Expired: Jan 4, 2020, 11:15 AM EST
In force: 16 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

County Lake County, FL

The radar

The Melbourne radar (KMLB), 127 km from the middle of the area, began a volume at 16:01 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, 4.0 hours before the alert went out and 117 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: 95 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

151 
WFUS52 KMLB 041559
TORMLB
FLC069-041630-
/O.NEW.KMLB.TO.W.0001.200104T1559Z-200104T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
1059 AM EST Sat Jan 4 2020

The National Weather Service in Melbourne has issued a

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

* Until 1130 AM EST.

* At 1057 AM EST, Doppler radar indicated a possible tornado. This 
  cell possibly produced a brief tornado and it continues to 
  indicate a close rotation near Eustis, moving northeast at 40 mph.

  HAZARD...Damaging tornado.

  SOURCE...Law enforcement confirmed tornado.

  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.

* The tornado will be near...
  Paisley around 1110 AM EST.

Other locations impacted by this tornadic thunderstorm include Lake
Kathryn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 2885 8167 2892 8169 2905 8150 2891 8139
TIME...MOT...LOC 1557Z 241DEG 34KT 2889 8165 

TORNADO...OBSERVED
HAIL...0.00IN

$$

KN

1 follow-up statement

886 
WWUS52 KMLB 041615
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
1115 AM EST Sat Jan 4 2020

FLC069-041623-
/O.CAN.KMLB.TO.W.0001.000000T0000Z-200104T1630Z/
Lake FL-
1115 AM EST Sat Jan 4 2020

...THE TORNADO WARNING FOR EAST CENTRAL LAKE COUNTY IS CANCELLED...
                
The storm which prompted the tornado warning has weakened limits, 
and no longer appears capable of producing a tornado. Therefore, the 
warning has been cancelled.  However a severe thunderstorm warning 
will be issued shortly as this storm still has the potential to 
generate damaging strait line winds. 

LAT...LON 2885 8167 2892 8169 2905 8150 2891 8139
TIME...MOT...LOC 1612Z 241DEG 34KT 2897 8149 

$$

Bragaw

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 4, 4:35 AM EST	Gale Warning	MLB		29 hr
Jan 4, 8:58 AM EST	Lake Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	10 hr
Jan 4, 10:15 AM EST	Special Weather Statement	MLB	Lake	45 min
Jan 4, 11:01 AM EST	Special Weather Statement	MLB	Lake, Orange, Seminole, Volusia	89 min
Jan 4, 11:16 AM EST	Severe Thunderstorm Warning	MLB	Volusia	27 min
Jan 4, 11:43 AM EST	Special Marine Warning	MLB		92 min
Jan 4, 12:14 PM EST	Special Weather Statement	MLB	Brevard, Osceola, Seminole	46 min
Jan 4, 12:16 PM EST	Special Marine Warning	MLB		119 min
Jan 4, 1:00 PM EST	Special Weather Statement	MLB	Brevard, Osceola	45 min
Jan 4, 1:47 PM EST	Special Weather Statement	MLB	Brevard, Indian River	43 min
Jan 4, 2:10 PM EST	Special Marine Warning	MLB		2 hr
Jan 4, 3:01 PM EST	Special Weather Statement	MLB	Okeechobee	29 min

Nearby

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