Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 28, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Oct 18, 2011, 8:27 PM EDT for Okeechobee County, Saint Lucie County, Florida. It was in force for 48 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, 8:27 PM EDT (00:27 UTC)
- Expired
- Oct 18, 2011, 9:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
Counties Okeechobee County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 97 km from the middle of the area, began a volume at 00:29 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 00:00Z, 0.5 hours before the alert went out and 138 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
- 284 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
491
WFUS52 KMLB 190027
TORMLB
FLC093-111-190115-
/O.NEW.KMLB.TO.W.0028.111019T0027Z-111019T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
827 PM EDT TUE OCT 18 2011
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN OKEECHOBEE COUNTY IN FLORIDA...
THIS INCLUDES THE CITY OF OKEECHOBEE...
SOUTHWESTERN ST. LUCIE COUNTY IN FLORIDA...
* UNTIL 915 PM EDT.
* AT 825 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FOUR
SEASONS ESTATES...OR EAST OF OKEECHOBEE...MOVING NORTHEAST AT 35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DIGITAL DOMAIN PARK AND CARLTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER.
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.
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.
&&
LAT...LON 2718 8075 2720 8080 2720 8082 2726 8086
2756 8059 2736 8036 2720 8060 2720 8067
2715 8068 2714 8070
TIME...MOT...LOC 0027Z 225DEG 29KT 2725 8074
$$
SEDLOCK2 follow-up statements
194
WWUS52 KMLB 190044
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
844 PM EDT TUE OCT 18 2011
FLC093-190053-
/O.CAN.KMLB.TO.W.0028.000000T0000Z-111019T0115Z/
OKEECHOBEE-
844 PM EDT TUE OCT 18 2011
...THE TORNADO WARNING FOR SOUTHEASTERN OKEECHOBEE COUNTY IS
CANCELLED...
THE CIRCULATION HAS MOVED EAST INTO EXTREME WEST SAINT LUCIE COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.
LAT...LON 2722 8066 2721 8067 2735 8068 2756 8059
2736 8036 2721 8060 2721 8065
TIME...MOT...LOC 0043Z 232DEG 28KT 2732 8062
$$
FLC111-190115-
/O.CON.KMLB.TO.W.0028.000000T0000Z-111019T0115Z/
ST. LUCIE-
844 PM EDT TUE OCT 18 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR ST. LUCIE
COUNTY...
AT 838 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED 15 MILES WEST OF
CARLTON...OR 11 MILES EAST OF OKEECHOBEE...MOVING NORTHEAST AT 35
MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
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 2722 8066 2721 8067 2735 8068 2756 8059
2736 8036 2721 8060 2721 8065
TIME...MOT...LOC 0043Z 232DEG 28KT 2732 8062
$$
SEDLOCK700
WWUS52 KMLB 190101
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
901 PM EDT TUE OCT 18 2011
FLC111-190115-
/O.CON.KMLB.TO.W.0028.000000T0000Z-111019T0115Z/
ST. LUCIE-
901 PM EDT TUE OCT 18 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR CENTRAL
ST. LUCIE COUNTY...
AT 857 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO. THIS TORNADO WAS LOCATED 6 MILES NORTHWEST OF
CARLTON...OR 10 MILES WEST OF WHITE CITY...MOVING NORTH-NORTHEAST AT
30 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR EAST CENTRAL FLORIDA.
&&
LAT...LON 2724 8061 2724 8064 2727 8064 2737 8065
2756 8059 2736 8036 2722 8058
TIME...MOT...LOC 0101Z 198DEG 22KT 2742 8049
$$
SEDLOCKThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 8:39 PM EDT | Areal Flood Advisory | MLB | Indian River, Okeechobee, Saint Lucie | 81 min |
| Oct 18, 8:56 PM EDT | Special Marine Warning | MLB | 94 min | |
| Oct 18, 9:11 PM EDT | Tornado Warning | MLB | Indian River, Saint Lucie | 34 min |
| Oct 18, 9:17 PM EDT | Special Weather Statement | MLB | Martin | 43 min |
| Oct 18, 9:38 PM EDT | Special Weather Statement | MLB | Saint Lucie | 52 min |
| Oct 18, 10:29 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Oct 19, 12:36 AM EDT | Special Marine Warning | MLB | 114 min | |
| Oct 19, 4:08 AM EDT | Special Weather Statement | MLB | Volusia | 97 min |
| Oct 19, 4:09 AM EDT | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 15 hr |
| Oct 19, 6:13 AM EDT | Special Weather Statement | MLB | Okeechobee | 47 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.