Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 15, NWS Melbourne, FL

June 6, 2013Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 6, 2013, 6:40 AM EDT for Osceola County, Florida. It was in force for 35 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 6, 2013, 6:40 AM EDT (10:40 UTC)
Expired
Jun 6, 2013, 7:15 AM EDT
In force
35 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 55 km from the middle of the area, began a volume at 10:43 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 6, 3:42 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 10.7 hours before the alert went out and 128 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, Tampa Bay, FL at 00:00Z on 2013-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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, Tampa Bay, FL at 00:00Z on 2013-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
277 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

903 
WFUS52 KMLB 061040
TORMLB
FLC097-061115-
/O.NEW.KMLB.TO.W.0015.130606T1040Z-130606T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
640 AM EDT THU JUN 6 2013

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL OSCEOLA COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF SAINT CLOUD...

* UNTIL 715 AM EDT.

* AT 639 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES SOUTH
  OF HARMONY...OR ABOUT 9 MILES NORTHEAST OF LAKE KISSIMMEE...MOVING
  NORTH AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ALLIGATOR LAKE AND PINE GROVE.

TORNADOES ASSOCIATED WITH TROPICAL CYCLONES ARE OFTEN WRAPPED IN
HEAVY RAIN AND ARE HARD TO SEE OR HEAR UNTIL THEY ARE VERY CLOSE. DO
NOT GET CAUGHT OFFGUARD!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR. MOVE TO AN INTERIOR ROOM...SUCH AS A BATHROOM OR
CLOSET AND KEEP AWAY FROM WINDOWS. GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR
BODY.

EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER. HEAD
TO THE NEAREST STURDY BUILDING. PUT AS MANY WALLS BETWEEN YOU AND THE
TORNADO AS POSSIBLE.

&&

LAT...LON 2828 8131 2828 8106 2801 8117 2800 8122
TIME...MOT...LOC 1040Z 183DEG 23KT 2807 8119

$$



15
1 follow-up statement
647 
WWUS52 KMLB 061114
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
714 AM EDT THU JUN 6 2013

FLC097-061121-
/O.EXP.KMLB.TO.W.0015.000000T0000Z-130606T1115Z/
OSCEOLA-
714 AM EDT THU JUN 6 2013

...THE TORNADO WARNING FOR CENTRAL OSCEOLA COUNTY WILL EXPIRE AT 715
AM EDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE ROTATION ACROSS 
NORTH CENTRAL OSCEOLA COUNTY HAS WEAKENED AND THUS THE WARNING
HAS BEEN ALLOWED TO EXPIRE. HOWEVER...LOCALLY HEAVY RAINFALL AND 
GUSTY WINDS WILL STILL BE POSSIBLE THROUGH 830 AM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT THURSDAY MORNING
FOR EASTERN FLORIDA.

LAT...LON 2828 8131 2828 8106 2801 8117 2800 8122
TIME...MOT...LOC 1111Z 183DEG 23KT 2827 8118

$$



15

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 4:10 AM EDTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia16 hr
Jun 6, 6:31 AM EDTSpecial Weather StatementMLBOsceola44 min
Jun 6, 7:00 AM EDTTornado WarningMLBMartin30 min
Jun 6, 7:30 AM EDTTornado WarningMLBMartin45 min
Jun 6, 7:32 AM EDTSpecial Marine WarningMLB88 min
Jun 6, 7:40 AM EDTSpecial Weather StatementMLBBrevard, Indian River35 min
Jun 6, 7:41 AM EDTSpecial Weather StatementMLBBrevard, Indian River34 min
Jun 6, 8:34 AM EDTSpecial Weather StatementMLBBrevard56 min
Jun 6, 9:02 AM EDTSpecial Marine WarningMLB88 min
Jun 6, 9:07 AM EDTSpecial Weather StatementMLBMartin38 min
Jun 6, 9:18 AM EDTAreal Flood AdvisoryMLBMartin117 min
Jun 6, 10:18 AM EDTTornado WarningMLBOkeechobee, Osceola27 min
Jun 6, 10:32 AM EDTSpecial Marine WarningMLB118 min
Jun 6, 11:41 AM EDTAreal Flood AdvisoryMLBOrange, Osceola, Seminole, Volusia109 min
Jun 6, 12:16 PM EDTSpecial Weather StatementMLBSaint Lucie44 min
Jun 6, 12:28 PM EDTTornado WarningMLBOrange, Seminole, Volusia47 min
Jun 6, 12:46 PM EDTTornado WarningMLBOkeechobee44 min
Jun 6, 12:54 PM EDTSpecial Marine WarningMLB2 hr
Jun 6, 1:14 PM EDTSpecial Weather StatementMLBMartin31 min
Jun 6, 1:15 PM EDTTornado WarningMLBBrevard, Osceola30 min
Jun 6, 1:27 PM EDTTornado WarningMLBMartin, Saint Lucie48 min
Jun 6, 2:13 PM EDTSpecial Marine WarningMLB92 min
Jun 6, 2:30 PM EDTTornado WarningMLBIndian River30 min
Jun 6, 2:32 PM EDTTornado WarningMLBSaint Lucie13 min
Jun 6, 3:16 PM EDTSpecial Marine WarningMLB2 hr
Jun 6, 3:50 PM EDTAreal Flood AdvisoryMLBOkeechobee115 min
Jun 6, 3:57 PM EDTAreal Flood AdvisoryMLBIndian River, Martin, Saint Lucie4 hr
Jun 6, 5:49 PM EDTSpecial Marine WarningMLB86 min

Nearby

Tornado Warnings in Florida, 2013Every tornado warning in 2013Tornadoes in 2013

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.