Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 26, NWS Melbourne, FL

December 10, 2012Indian River County, Saint Lucie County, Florida

NWS Melbourne, FL issued this tornado warning at Dec 10, 2012, 4:42 PM EST for Indian River County, Saint Lucie County, Florida. It was in force for 48 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
Dec 10, 2012, 4:42 PM EST (21:42 UTC)
Expired
Dec 10, 2012, 5:30 PM EST
In force
48 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

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

What was reported inside it

TimeReportWhereRemark
Dec 10, 5:10 PM ESTFUNNEL CLOUDLakewood Park, FLMULTIPLE REPORTS OF FUNNEL CLOUDS FROM ABOUT 5PM TO 520PM WEST AND NORTHWEST OF FORT PIERCE.

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, 9.7 hours before the alert went out and 103 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 2012-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2012-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 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
9 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
872 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

695 
WFUS52 KMLB 102142
TORMLB
FLC061-111-102230-
/O.NEW.KMLB.TO.W.0026.121210T2142Z-121210T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
442 PM EST MON DEC 10 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN INDIAN RIVER COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF VERO BEACH SOUTH...
  NORTHEASTERN ST. LUCIE COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...FORT PIERCE INLET...INDRIO...

* UNTIL 530 PM EST.

* AT 441 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES
  SOUTHWEST OF LAKEWOOD PARK...OR 11 MILES SOUTHWEST OF INDRIO...
  MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAINT
  LUCIE VILLAGE...VERO BEACH HIGHLANDS...QUEENS COVE AND SOUTH BEACH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 2739 8053 2756 8053 2766 8035 2763 8034
      2762 8033 2759 8032 2759 8031 2756 8032
      2747 8029
TIME...MOT...LOC 2141Z 220DEG 25KT 2747 8050

$$

SEDLOCK
3 follow-up statements
108 
WWUS52 KMLB 102157
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
457 PM EST MON DEC 10 2012

FLC061-111-102230-
/O.CON.KMLB.TO.W.0026.000000T0000Z-121210T2230Z/
ST. LUCIE-INDIAN RIVER-
457 PM EST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EST FOR 
SOUTHEASTERN INDIAN RIVER AND NORTHEAST ST. LUCIE COUNTIES...

AT 452 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SAINT LUCIE
AIRPORT...OR 7 MILES SOUTHWEST OF INDRIO...MOVING NORTHEAST AT 25
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT
PIERCE NORTH...LAKEWOOD PARK...GROVENOR ESTATES...VERO BEACH
HIGHLANDS...SAINT LUCIE VILLAGE...DIXIE HEIGHTS...QUEENS COVE...
PEPPER BEACH PARK...MOORINGS OF VERO BEACH...SOUTH BEACH AND
FLORALTON BEACH

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.

&&

LAT...LON 2741 8047 2755 8046 2766 8035 2763 8034
      2762 8033 2759 8032 2759 8031 2756 8032
      2747 8029
TIME...MOT...LOC 2156Z 238DEG 18KT 2749 8043

$$

SEDLOCK
158 
WWUS52 KMLB 102217
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
517 PM EST MON DEC 10 2012

FLC061-111-102230-
/O.CON.KMLB.TO.W.0026.000000T0000Z-121210T2230Z/
ST. LUCIE-INDIAN RIVER-
517 PM EST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EST FOR
SOUTHEASTERN INDIAN RIVER AND NORTH CENTRAL ST. LUCIE COUNTIES...

AT 516 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED NEAR INDRIO...MOVING 
NORTHEAST AT 20 MPH. THIS STORM WILL MOVE OFF OF THE EAST COAST IN 
THE NEAR FUTURE.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MOORINGS OF VERO BEACH...SOUTH BEACH AND FLORALTON BEACH

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.

&&

LAT...LON 2741 8047 2755 8046 2766 8035 2763 8034
      2762 8033 2759 8032 2759 8031 2756 8032
      2747 8029
TIME...MOT...LOC 2217Z 238DEG 18KT 2755 8033

$$

SEDLOCK
628 
WWUS52 KMLB 102229
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
529 PM EST MON DEC 10 2012

FLC061-111-102238-
/O.EXP.KMLB.TO.W.0026.000000T0000Z-121210T2230Z/
ST. LUCIE-INDIAN RIVER-
529 PM EST MON DEC 10 2012

...THE TORNADO WARNING FOR SOUTHEASTERN INDIAN RIVER AND NORTHEAST 
ST. LUCIE COUNTIES WILL EXPIRE AT 530 PM EST...

THE SEVERE STORM THAT PROMPTED THE WARNING WAS MOVING INTO THE NEAR 
SHORE WATERS OF THE WESTERN ATLANTIC...THUS THE WARNING HAS BEEN 
ALLOWED TO EXPIRE. 

ON THE COAST ALONG THE BARRIER ISLANDS...HEAVY RAINFALL...LIGHTNING 
STRIKES AND GUSTY WINDS WILL BE POSSIBLE FOR THE NEXT HALF HOUR.

LAT...LON 2741 8047 2755 8046 2766 8035 2763 8034
      2762 8033 2759 8032 2759 8031 2756 8032
      2747 8029
TIME...MOT...LOC 2228Z 238DEG 18KT 2758 8028

$$

SEDLOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 2:53 PM ESTSpecial Weather StatementMLBOkeechobee52 min
Dec 10, 3:39 PM ESTSpecial Weather StatementMLBIndian River, Okeechobee51 min
Dec 10, 3:50 PM ESTSpecial Weather StatementMLBOrange, Seminole55 min
Dec 10, 4:13 PM ESTTornado WarningMLBLake, Orange, Seminole47 min
Dec 10, 4:28 PM ESTTornado WarningMLBSeminole, Volusia47 min
Dec 10, 4:29 PM ESTSpecial Weather StatementMLBSaint Lucie46 min
Dec 10, 4:33 PM ESTSpecial Marine WarningMLB117 min
Dec 10, 4:59 PM ESTTornado WarningMLBSeminole, Volusia46 min
Dec 10, 5:02 PM ESTTornado WarningMLBVolusia43 min
Dec 10, 5:08 PM ESTSevere Thunderstorm WarningMLBVolusia37 min
Dec 10, 5:09 PM ESTTornado WarningMLBSeminole, Volusia21 min
Dec 10, 5:23 PM ESTSpecial Marine WarningMLB112 min

Nearby

Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes in 2012

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.