Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 27, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Oct 18, 2011, 7:34 PM EDT for Martin County, Okeechobee County, Saint Lucie County, Florida. It was in force for 56 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
- Oct 18, 2011, 7:34 PM EDT (23:34 UTC)
- Expired
- Oct 18, 2011, 8:30 PM EDT
- In force
- 56 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Martin County, FL, Okeechobee County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 106 km from the middle of the area, began a volume at 23:34 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 18, 2:21 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 11.6 hours before the alert went out and 147 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.
- Mixed-layer CAPE
- 809 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
446
WFUS52 KMLB 182334
TORMLB
FLC085-093-111-190030-
/O.NEW.KMLB.TO.W.0027.111018T2334Z-111019T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
734 PM EDT TUE OCT 18 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN MARTIN COUNTY IN FLORIDA...
SOUTHEASTERN OKEECHOBEE COUNTY IN FLORIDA...
THIS INCLUDES THE CITY OF OKEECHOBEE...
SOUTHWESTERN ST. LUCIE COUNTY IN FLORIDA...
* UNTIL 830 PM EDT.
* AT 729 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES
SOUTHWEST OF OKEE TANTIE STATE PARK...OR ABOUT 7 MILES EAST OF
LAKEPORT...MOVING NORTHEAST AT 30 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TAYLOR CREEK...OKEECHOBEE AND FOUR SEASONS ESTATES
THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME. PEOPLE IN
THE PATH OF THIS STORM SHOULD ACT NOW IN ORDER TO PROTECT THEMSELVES.
DO NOT WAIT FOR THE TORNADO TO DEVELOP BEFORE ACTING...YOU MAY NOT
SEE OR HEAR ITS APPROACH. DO NOT GET CAUGHT OFF GUARD!
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.
TORNADOES AT NIGHT ARE DIFFICULT TO SEE. WATCH FOR THE POPPING OF
ELECTRIC LINES AND TRANSFORMERS OR LISTEN FOR THE SOUND OF LOUD
RUMBLING AS THAT OF AN APPROACHING FREIGHT TRAIN. TORNADOES ARE OFTEN
ASSOCIATED WITH STORMS WHICH ALSO PRODUCE LARGE HAIL AND EXCESSIVE
LIGHTNING.
THE TORNADO WILL LIKELY BE WRAPPED IN HEAVY RAIN MAKING IT DIFFICULT
TO SEE. BE SMART AND REACT NOW!
&&
LAT...LON 2709 8067 2710 8067 2718 8075 2720 8080
2720 8082 2715 8086 2715 8087 2720 8094
2743 8072 2715 8041 2704 8065
TIME...MOT...LOC 2333Z 232DEG 27KT 2701 8098
$$
SEDLOCK2 follow-up statements
582
WWUS52 KMLB 190004
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
804 PM EDT TUE OCT 18 2011
FLC085-111-190009-
/O.CAN.KMLB.TO.W.0027.000000T0000Z-111019T0030Z/
ST. LUCIE-MARTIN-
804 PM EDT TUE OCT 18 2011
...THE TORNADO WARNING FOR NORTHWESTERN MARTIN AND SOUTHWESTERN ST.
LUCIE COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.
MOVEMENT HAS TAKEN ON A MORE NORTHERLY COMPONENT WHICH IS WHY THE
WARNING WAS CANCELLED FOR MARTIN AND SAINT LUCIE COUNTIES.
LAT...LON 2718 8068 2712 8069 2718 8075 2720 8080
2720 8082 2715 8086 2715 8087 2720 8094
2743 8072
TIME...MOT...LOC 2359Z 211DEG 22KT 2715 8088
$$
FLC093-190030-
/O.CON.KMLB.TO.W.0027.000000T0000Z-111019T0030Z/
OKEECHOBEE-
804 PM EDT TUE OCT 18 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
SOUTHEASTERN OKEECHOBEE COUNTY...
AT 757 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED 8 MILES SOUTHWEST OF
OKEECHOBEE...MOVING NORTH-NORTHEAST AT 25 MPH.
A SECONDARY CIRCULATION WAS NOTED ON RADAR DUE SOUTH-SOUTHWEST OF
BUCKHEAD RIDGE IN EXTREME NORTHEAST GLADES COUNTY. THIS NEW AREA OF
CIRCULATION WAS ALSO MOVING NORTH-NORTHEAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TAYLOR
CREEK...BASSWOOD ESTATES...WHISPERING PINES AND FOUR SEASONS ESTATES
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.
&&
LAT...LON 2718 8068 2712 8069 2718 8075 2720 8080
2720 8082 2715 8086 2715 8087 2720 8094
2743 8072
TIME...MOT...LOC 2359Z 211DEG 22KT 2715 8088
$$
SEDLOCK977
WWUS52 KMLB 190022
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
822 PM EDT TUE OCT 18 2011
FLC093-190030-
/O.CON.KMLB.TO.W.0027.000000T0000Z-111019T0030Z/
OKEECHOBEE-
822 PM EDT TUE OCT 18 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
SOUTHEASTERN OKEECHOBEE COUNTY...
AT 820 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED NEAR TAYLOR CREEK...OR
NEAR OKEECHOBEE...MOVING NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FOUR
SEASONS ESTATES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.
&&
LAT...LON 2718 8068 2712 8069 2718 8075 2720 8080
2720 8082 2715 8086 2715 8087 2720 8094
2743 8072
TIME...MOT...LOC 0021Z 211DEG 37KT 2724 8078
$$
SEDLOCKThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 3:32 AM EDT | Special Weather Statement | MLB | Martin | 88 min |
| Oct 18, 4:34 AM EDT | Gale Warning | MLB | 24 hr | |
| Oct 18, 1:13 PM EDT | Special Marine Warning | MLB | 92 min | |
| Oct 18, 6:46 PM EDT | Special Weather Statement | MLB | Martin, Okeechobee, Saint Lucie | 59 min |
Nearby
Tornado Warnings in Florida, 2011Every tornado warning in 2011Tornadoes in 2011
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.