Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 13, NWS Melbourne, FL

September 1, 2016Lake County, Orange County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 1, 2016, 8:34 PM EDT for Lake County, Orange County, Florida. It was in force for 26 min. 4 reports 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: Sep 1, 2016, 8:34 PM EDT (00:34 UTC)
Expired: Sep 1, 2016, 9:00 PM EDT
In force: 26 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Lake County, FL, Orange County, FL

The radar

The Melbourne radar (KMLB), 110 km from the middle of the area, began a volume at 00:38 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

Time	Report	Where	Remark
Sep 1, 8:38 PM EDT	TSTM WND DMG	4 Nw Magic Kingdom, FL	BROADCAST MEDIA REPORTS PINE TREES DOWN AT PORTER ROAD AND HAMLIN GROVES TRAIL. TIME ESTIMATED.
Sep 1, 8:38 PM EDT	TSTM WND DMG	4 Nw Magic Kingdom, FL	ORANGE COUNTY DISPATCH REPORTS A LARGE TREE DOWN AT THE INTERSECTION OF PORTER ROAD AND AVALON ROAD.TIME ESTIMATED BY RADAR.
Sep 1, 8:38 PM EDT	TSTM WND DMG	4 Nw Magic Kingdom, FL	TRAINED SPOTTER REPORTS NUMEROUS LARGE TREES SNAPPED IN HALF ALONG PORTER ROAD BETWEEN AVALON ROAD AND HAMLIN GROVES TRAIL. POSSIBLE TORNADO DAMAGE.
Sep 1, 8:39 PM EDT	TSTM WND GST 47	5 Nw Bay Lake, FL	WEATHERFLOW SITE XRDY MEASURED A WIND GUST OF 47 MPH/41 KTS FROM THE SSW.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 1, 2:50 PM EDT	Tornado Watch	SPC	8 hr

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-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: 1297 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 853 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted.

201 
WFUS52 KMLB 020034
TORMLB
FLC069-095-020100-
/O.NEW.KMLB.TO.W.0013.160902T0034Z-160902T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
834 PM EDT THU SEP 1 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN ORANGE COUNTY IN EAST CENTRAL FLORIDA...
  SOUTH CENTRAL LAKE COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 900 PM EDT
    
* AT 833 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR HORIZON WEST...OR 7 MILES NORTHWEST OF
  BAY LAKE... MOVING NORTH 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...
  CLERMONT AND OAKLAND AROUND 850 PM EDT. 
  FERNDALE AND LAKE APOPKA AROUND 900 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
ASTATULA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR 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 2875 8153 2837 8154 2837 8176 2875 8179
TIME...MOT...LOC 0033Z 178DEG 26KT 2846 8167 

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

$$

DWS

1 follow-up statement

543 
WWUS52 KMLB 020044
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
844 PM EDT THU SEP 1 2016

FLC069-095-020100-
/O.CON.KMLB.TO.W.0013.000000T0000Z-160902T0100Z/
ORANGE FL-LAKE FL-
844 PM EDT THU SEP 1 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
NORTHWESTERN ORANGE AND SOUTH CENTRAL LAKE COUNTIES...
    
AT 843 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER OAKLAND...APPROACHING WINTER GARDEN...MOVING NORTH
AT 30 MPH TO 35 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED STRENGTHENING 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 AND WINTER GARDEN AROUND 850 PM EDT. 
  LAKE APOPKA AROUND 900 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MONTVERDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR 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.

&&

LAT...LON 2875 8153 2845 8154 2846 8171 2875 8173
TIME...MOT...LOC 0043Z 191DEG 24KT 2852 8161 

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

$$

DWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 8:09 PM EDT	Special Weather Statement	MLB	Lake	66 min
Sep 1, 8:28 PM EDT	Tornado Warning	MLB	Lake	32 min
Sep 1, 9:02 PM EDT	Tornado Warning	MLB	Orange, Seminole	28 min
Sep 1, 9:05 PM EDT	Special Weather Statement	MLB	Orange	55 min
Sep 2, 4:39 AM EDT	Special Weather Statement	MLB	Lake	51 min
Sep 2, 5:30 AM EDT	Special Weather Statement	MLB	Lake, Orange, Seminole, Volusia	60 min
Sep 2, 5:36 AM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	24 min
Sep 2, 6:32 AM EDT	Special Weather Statement	MLB	Lake	43 min
Sep 2, 7:39 AM EDT	Special Marine Warning	MLB		3 hr
Sep 2, 7:44 AM EDT	Special Weather Statement	MLB	Orange	46 min
Sep 2, 7:47 AM EDT	Lake Wind Advisory	MLB	Okeechobee, Osceola	8 hr
Sep 2, 9:33 AM EDT	Special Weather Statement	MLB	Brevard, Osceola	57 min
Sep 2, 10:23 AM EDT	Special Marine Warning	MLB		3 hr
Sep 2, 10:27 AM EDT	Special Weather Statement	MLB	Brevard, Indian River, Okeechobee, Saint Lucie	63 min
Sep 2, 4:18 PM EDT	Special Weather Statement	MLB	Seminole	42 min
Sep 2, 5:56 PM EDT	Special Weather Statement	MLB	Flagler	34 min
Sep 2, 6:33 PM EDT	Special Weather Statement	MLB	Volusia	27 min

Nearby

Tornado Warnings in Florida, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.