Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 16, NWS Melbourne, FL

June 13, 2007Okeechobee County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 13, 2007, 6:20 PM EDT for Okeechobee County, Florida. It was in force for 33 min. 1 report 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: Jun 13, 2007, 6:20 PM EDT (22:20 UTC)
Expired: Jun 13, 2007, 6:53 PM EDT
In force: 33 min
Issued by: NWS Melbourne, FL
Area: Counties, with a storm outline in the text

County Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 69 km from the middle of the area, began a volume at 22:22 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
Jun 13, 6:51 PM EDT	HAIL 0.5	6 Sw Fort Drum, FL	1/2 INCH HAIL ALONG EAGLE ISLAND ROAD

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

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.3 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: 1038 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 689 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 132220
TORMLB
FLC093-132315-
/O.NEW.KMLB.TO.W.0016.070613T2220Z-070613T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
620 PM EDT WED JUN 13 2007

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN OKEECHOBEE COUNTY IN EAST CENTRAL FLORIDA...
  THIS INCLUDES THE CITIES OF...OKEECHOBEE...FORT DRUM...

* UNTIL 715 PM EDT

* AT 620 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
  NORTHWEST OF FORT DRUM...MOVING SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  FORT DRUM BY 630 PM EDT...
  FOUR SEASONS ESTATES AND 7 MILES NORTHEAST OF OKEECHOBEE BY 715 PM
  EDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR...IN AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.
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. IF NO
SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS. ABANDON YOUR VEHICLE IF THE
TORNADO IS NEARBY.

LAT...LON 2765 8080 2760 8106 2720 8083 2733 8067
      2756 8068 2756 8076

$$

VOLKMER

2 follow-up statements

000 
WWUS52 KMLB 132244
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
641 PM EDT WED JUN 13 2007

FLC093-132315-
/O.CON.KMLB.TO.W.0016.000000T0000Z-070613T2315Z/
OKEECHOBEE FL-
641 PM EDT WED JUN 13 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR EASTERN
OKEECHOBEE COUNTY...

AT 641 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH ROTATION. THIS THUNDERSTORM MAY 
BE PRODUCING A TORNADO ABOUT 7 MILES SOUTHWEST OF FORT DRUM...MOVING 
SOUTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  COUNTRY HILLS ESTATES AT 655 PM EDT
  RURAL EASTERN OKEECHOBEE COUNTY AT 700 PM EDT

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
LARGE HAIL AND STRONG WINDS.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
WEDNESDAY EVENING FOR EAST CENTRAL FLORIDA.

LAT...LON 2765 8080 2760 8106 2720 8083 2733 8067
      2756 8068 2756 8076

$$

MRV

000 
WWUS52 KMLB 132253
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
652 PM EDT WED JUN 13 2007

FLC093-132300-
/O.CAN.KMLB.TO.W.0016.000000T0000Z-070613T2315Z/
OKEECHOBEE FL-
652 PM EDT WED JUN 13 2007

...THE TORNADO WARNING FOR EASTERN OKEECHOBEE COUNTY IS CANCELLED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE STORM THAT 
PROMPTED THE WARNING HAD WEAKENED AND NO LONGER APPEARED CAPABLE OF 
PRODUCING TORNADOES...THUS THE WARNING HAS BEEN CANCELLED. 
HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING STRIKES WILL CONTINUE 
TO BE POSSIBLE.

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN 
OKEECHOBEE COUNTY UNTIL 7 PM. THIS STORM MAY STILL PRODUCE  HAIL AND 
STRONG WINDS AS IT MOVES SOUTHEAST AT 25 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT
WEDNESDAY EVENING FOR EAST CENTRAL FLORIDA.

LAT...LON 2765 8080 2760 8106 2720 8083 2733 8067
      2756 8068 2756 8076

$$

MRV

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 2:31 PM EDT	Severe Thunderstorm Warning	MLB	Lake	59 min
Jun 13, 2:43 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	32 min
Jun 13, 3:19 PM EDT	Severe Thunderstorm Warning	MLB	Lake	41 min
Jun 13, 3:32 PM EDT	Severe Thunderstorm Warning	MLB	Seminole	58 min
Jun 13, 3:47 PM EDT	Severe Thunderstorm Warning	MLB	Orange	58 min
Jun 13, 4:42 PM EDT	Special Marine Warning	MLB		2 hr
Jun 13, 5:12 PM EDT	Tornado Warning	MLB	Osceola	48 min
Jun 13, 5:13 PM EDT	Special Marine Warning	MLB		2 hr
Jun 13, 6:03 PM EDT	Severe Thunderstorm Warning	MLB	Okeechobee	57 min

Nearby

Tornado Warnings in Florida, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.