Alert archive / Florida / Tornado Warnings in 2006

Tornado Warning 6, NWS Melbourne, FL

August 21, 2006Okeechobee County, Florida

NWS Melbourne, FL issued this tornado warning at Aug 21, 2006, 2:21 PM EDT for Okeechobee County, Florida. It was in force for 9 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
Aug 21, 2006, 2:21 PM EDT (18:21 UTC)
Expired
Aug 21, 2006, 2:30 PM EDT
In force
9 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), 89 km from the middle of the area, began a volume at 18:20 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, 6.4 hours before the alert went out and 130 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 2006-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 981 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 2006-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 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
981 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
2 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.

000 
WFUS52 KMLB 211821
TORMLB
FLC093-211830-
/O.NEW.KMLB.TO.W.0006.060821T1821Z-060821T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
221 PM EDT MON AUG 21 2006

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 230 PM EDT

* AT 219 PM EDT...LOCAL LAW ENFORCEMENT FROM SAINT LUCIE AND 
OKEECHOBEE COUNTIES REPORTED A TORNADO ALONG HIGHWAY 70...OR 
ABOUT 8 MILES EAST OF OKEECHOBEE...MOVING   NORTHWEST AT 5 MPH.

* THE TORNADO IS WILL BE NEAR...
  RURAL AREAS EAST OF FOUR SEASONS ESTATES BY 230 PM EDT

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 2715 8071 2727 8056 2761 8083 2743 8106

$$


CRISTALDI
1 follow-up statement
000 
WWUS52 KMLB 211833
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
232 PM EDT MON AUG 21 2006

FLC093-211842-
/O.EXP.KMLB.TO.W.0006.000000T0000Z-060821T1830Z/
OKEECHOBEE FL-
232 PM EDT MON AUG 21 2006

...THE TORNADO WARNING FOR EASTERN OKEECHOBEE COUNTY EXPIRED AT 230
PM EDT...

NO FURTHER REPORTS OF A TORNADO HAVE BEEN RECEIVED FROM THE SMALL 
CLUSTER OF THUNDERSTORMS MOVING ACROSS EASTERN OKEECHOBEE COUNTY.

THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. FUNNEL CLOUDS WILL 
STILL BE POSSIBLE WITH THIS CELL AS IT MOVES TOWARD FORT DRUM.

PLEASE RELAY ANY REPORTS OF DAMAGE OR SIGHTINGS TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE OFFICE 
IN MELBOURNE.


LAT...LON 2715 8071 2727 8056 2761 8083 2743 8106

$$

Nearby

Tornado Warnings in Florida, 2006Every tornado warning in 2006Tornadoes in 2006

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.