Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 26, NWS Melbourne, FL

December 5, 2009Indian River County, Okeechobee County, Saint Lucie County, Florida

NWS Melbourne, FL issued this tornado warning at Dec 5, 2009, 2:44 AM EST for Indian River County, Okeechobee County, Saint Lucie County, Florida. It was in force for 46 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
Dec 5, 2009, 2:44 AM EST (07:44 UTC)
Expired
Dec 5, 2009, 3:30 AM EST
In force
46 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Indian River County, FL, Okeechobee County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 53 km from the middle of the area, began a volume at 07:47 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
Dec 5, 12:48 AM ESTTornado WatchSPC8 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 7.7 hours before the alert went out and 89 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 00:00Z on 2009-12-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2009-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
98 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 050744
TORMLB
FLC061-093-111-050830-
/O.NEW.KMLB.TO.W.0026.091205T0744Z-091205T0830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
244 AM EST SAT DEC 5 2009

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN INDIAN RIVER COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...SEBASTIAN...WINTER BEACH...WABASSO...
  VERO BEACH SOUTH...VERO BEACH...SEBASTIAN INLET...INDIAN RIVER
  SHORES...GIFFORD...
  EAST CENTRAL OKEECHOBEE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF FORT DRUM...
  NORTHWESTERN ST. LUCIE COUNTY IN FLORIDA...

* UNTIL 330 AM EST.

* AT 243 AM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHEAST OF FORT DRUM...MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOUTH
  BEACH...VERO LAKE ESTATES AND SEBASTIAN INLET RECREATION

THE IMMEDIATE DANGER OF A TORNADO IS HIGH. PEOPLE IN THE PATH OF THIS
DEVELOPING TORNADO ARE URGED TO QUICKLY PREPARE FOR ITS APPROACH.
THIS IS A DANGEROUS SITUATION ACT NOW AS SECONDS CAN SAVE LIVES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 2761 8036 2760 8037 2736 8074 2749 8087
      2784 8047 2771 8040 2775 8040 2777 8042
      2784 8046 2786 8044 2768 8035 2769 8035
      2762 8034
TIME...MOT...LOC 0744Z 229DEG 21KT 2749 8072

$$
3 follow-up statements
000 
WWUS52 KMLB 050802
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
302 AM EST SAT DEC 5 2009

FLC093-050810-
/O.CAN.KMLB.TO.W.0026.000000T0000Z-091205T0830Z/
OKEECHOBEE-
302 AM EST SAT DEC 5 2009

...THE TORNADO WARNING FOR EAST CENTRAL OKEECHOBEE COUNTY IS
CANCELLED...


LAT...LON 2761 8036 2760 8037 2744 8063 2751 8068
      2756 8068 2756 8072 2759 8074 2784 8047
      2771 8040 2771 8039 2784 8046 2786 8044
      2768 8035 2769 8035 2762 8034
TIME...MOT...LOC 0800Z 227DEG 21KT 2756 8065

$$

FLC061-111-050830-
/O.CON.KMLB.TO.W.0026.000000T0000Z-091205T0830Z/
ST. LUCIE-INDIAN RIVER-
302 AM EST SAT DEC 5 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 AM EST FOR EASTERN
INDIAN RIVER AND NORTHWESTERN ST. LUCIE COUNTIES...

AT 258 AM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED 12 MILES SOUTHWEST OF
PARADISE PARK...OR 9 MILES EAST OF FORT DRUM...MOVING NORTHEAST AT 25
MPH. ANOTHER CELL SHOWING STRONG ROTATION WAS LOCATED OVER NORTH 
CENTRAL SAINT LUCIE COUNTY NEAR THE FLORIDA TURNPIKE ALSO MOVING 
NORTHEAST. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
GROVENOR ESTATES...SOUTH BEACH...SEBASTIAN...ORCHID...WINTER 
BEACH...WABASSO BEACH...DISNEYS VERO BEACH RESORT...WABASSO...VERO 
LAKE ESTATES...VERO BEACH...SEBASTIAN INLET...INDIAN RIVER SHORES 
AND GIFFORD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 2761 8036 2760 8037 2744 8063 2751 8068
      2756 8068 2756 8072 2759 8074 2784 8047
      2771 8040 2771 8039 2784 8046 2786 8044
      2768 8035 2769 8035 2762 8034
TIME...MOT...LOC 0800Z 227DEG 21KT 2756 8065

$$


KELLY
000 
WWUS52 KMLB 050820
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
320 AM EST SAT DEC 5 2009

FLC111-050829-
/O.CAN.KMLB.TO.W.0026.000000T0000Z-091205T0830Z/
ST. LUCIE-
320 AM EST SAT DEC 5 2009

...THE TORNADO WARNING FOR NORTHWESTERN ST. LUCIE COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST SATURDAY MORNING
FOR EAST CENTRAL FLORIDA.

LAT...LON 2755 8046 2756 8054 2767 8065 2784 8047
      2771 8039 2775 8040 2776 8042 2784 8046
      2786 8044 2769 8035 2762 8034
TIME...MOT...LOC 0819Z 241DEG 15KT 2761 8046

$$

FLC061-050830-
/O.CON.KMLB.TO.W.0026.000000T0000Z-091205T0830Z/
INDIAN RIVER-
320 AM EST SAT DEC 5 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 AM EST FOR EASTERN
INDIAN RIVER COUNTY...

AT 317 AM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED NEAR PINE TREE PARK...OR
NEAR VERO BEACH SOUTH...MOVING NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTER 
BEACH...WABASSO...VERO BEACH...AND GIFFORD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 2755 8046 2756 8054 2767 8065 2784 8047
      2771 8039 2775 8040 2776 8042 2784 8046
      2786 8044 2769 8035 2762 8034
TIME...MOT...LOC 0819Z 241DEG 15KT 2761 8046

$$


KELLY
000 
WWUS52 KMLB 050831
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
331 AM EST SAT DEC 5 2009

FLC061-050841-
/O.EXP.KMLB.TO.W.0026.000000T0000Z-091205T0830Z/
INDIAN RIVER-
331 AM EST SAT DEC 5 2009

...THE TORNADO WARNING FOR EASTERN INDIAN RIVER COUNTY HAS EXPIRED...

LAT...LON 2755 8046 2756 8054 2767 8065 2784 8047
      2771 8039 2775 8040 2776 8042 2784 8046
      2786 8044 2769 8035 2762 8034
TIME...MOT...LOC 0820Z 241DEG 15KT 2761 8045

$$


SK

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 10:07 PM ESTSmall Craft Advisory for WindsMLB6 hr
Dec 5, 3:14 AM ESTSpecial Marine WarningMLB2 hr
Dec 5, 4:29 AM ESTSmall Craft AdvisoryMLB24 hr
Dec 5, 4:29 AM ESTSmall Craft Advisory for WindsMLB15 hr

Nearby

Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009

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.