Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 18, NWS Melbourne, FL

June 6, 2013Okeechobee County, Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 6, 2013, 10:18 AM EDT for Okeechobee County, Osceola County, Florida. It was in force for 27 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, 10:18 AM EDT (14:18 UTC)
Expired
Jun 6, 2013, 10:45 AM EDT
In force
27 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Okeechobee County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 63 km from the middle of the area, began a volume at 14:21 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.3 hours before the alert went out and 104 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 2013-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 153 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 2013-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 277 square meters per square second.19395878Sfc1 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
153 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
277 m²/s²
0-3 km storm-relative helicity
347 m²/s²
Significant tornado parameter
0.2
Supercell composite
7.7

Open this sounding in Storm Lab

The text

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

781 
WFUS52 KMLB 061418
TORMLB
FLC093-097-061445-
/O.NEW.KMLB.TO.W.0018.130606T1418Z-130606T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1018 AM EDT THU JUN 6 2013

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL OKEECHOBEE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF BASINGER...
  SOUTHEASTERN OSCEOLA COUNTY IN FLORIDA...

* UNTIL 1045 AM EDT.

* AT 1017 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BASINGER...
  MOVING NORTH AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  KISSIMMEE PRAIRIE PRESERVE STATE PARK AND YEEHAW JUNCTION

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 2785 8112 2783 8088 2758 8088 2740 8101
      2741 8112
TIME...MOT...LOC 1417Z 190DEG 36KT 2748 8107

$$


15
1 follow-up statement
983 
WWUS52 KMLB 061445
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1045 AM EDT THU JUN 6 2013

FLC093-097-061453-
/O.EXP.KMLB.TO.W.0018.000000T0000Z-130606T1445Z/
OSCEOLA-OKEECHOBEE-
1045 AM EDT THU JUN 6 2013

...THE TORNADO WARNING FOR NORTH CENTRAL OKEECHOBEE AND SOUTHEASTERN
OSCEOLA COUNTIES WILL EXPIRE AT 1045 AM EDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE ROTATION ACROSS 
SOUTHERN 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 MID DAY ACROSS OSCEOLA COUNTY.

A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY 
EVENING FOR EASTERN FLORIDA.

LAT...LON 2785 8112 2783 8088 2758 8088 2740 8101
      2741 8112
TIME...MOT...LOC 1443Z 190DEG 36KT 2774 8102

$$


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, 6:40 AM EDTTornado WarningMLBOsceola35 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, 10:32 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.