Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 25, NWS Melbourne, FL

June 26, 2011Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 26, 2011, 3:20 PM EDT for Martin County, Florida. It was in force for 25 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
Jun 26, 2011, 3:20 PM EDT (19:20 UTC)
Expired
Jun 26, 2011, 3:45 PM EDT
In force
25 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Martin County, FL

The radar

The Melbourne radar (KMLB), 113 km from the middle of the area, began a volume at 19:22 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, 7.3 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.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 2011-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 540 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 2011-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
540 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
46 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.

322 
WFUS52 KMLB 261920
TORMLB
FLC085-261945-
/O.NEW.KMLB.TO.W.0025.110626T1920Z-110626T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
320 PM EDT SUN JUN 26 2011

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MARTIN COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...STUART...PALM CITY...

* UNTIL 345 PM EDT.

* AT 317 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PALM
  CITY...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCKY
  POINT...PORT SALERNO AND HOBE SOUND BEACH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.

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 2703 8027 2720 8036 2720 8029 2723 8028
      2724 8024 2722 8022 2722 8021 2721 8022
      2717 8018 2716 8019 2716 8017 2708 8012
TIME...MOT...LOC 1920Z 323DEG 5KT 2718 8027

$$


WEITLICH
2 follow-up statements
690 
WWUS52 KMLB 261928
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
328 PM EDT SUN JUN 26 2011

FLC085-261945-
/O.CON.KMLB.TO.W.0025.000000T0000Z-110626T1945Z/
MARTIN-
328 PM EDT SUN JUN 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
NORTHEASTERN MARTIN COUNTY...

AT 322 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A TORNADO NEAR PALM CITY...MOVING SOUTHEAST AT 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
STUART...ROCKY POINT...PORT SEWALL AND PORT SALERNO.

LAT...LON 2703 8027 2720 8036 2720 8029 2723 8028
      2724 8024 2722 8022 2722 8021 2721 8022
      2717 8018 2716 8019 2716 8017 2708 8012
TIME...MOT...LOC 1927Z 311DEG 4KT 2717 8026

$$


WEITLICH
967 
WWUS52 KMLB 261944
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
344 PM EDT SUN JUN 26 2011

FLC085-261954-
/O.EXP.KMLB.TO.W.0025.000000T0000Z-110626T1945Z/
MARTIN-
344 PM EDT SUN JUN 26 2011

...THE TORNADO WARNING FOR NORTHEASTERN MARTIN COUNTY WILL EXPIRE AT
345 PM EDT...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND NO 
LONGER APPEARS CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE 
WEATHER...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. 

HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING STRIKES WILL CONTINUE 
TO BE POSSIBLE.

LAT...LON 2703 8027 2720 8036 2720 8029 2723 8028
      2724 8024 2722 8022 2722 8021 2721 8022
      2717 8018 2716 8019 2716 8017 2708 8012
TIME...MOT...LOC 1944Z 311DEG 4KT 2716 8024

$$


WEITLICH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 2:40 PM EDTSpecial Weather StatementMLBLake50 min
Jun 26, 3:12 PM EDTSpecial Weather StatementMLBMartin48 min
Jun 26, 3:39 PM EDTSpecial Weather StatementMLBIndian River, Okeechobee51 min
Jun 26, 3:56 PM EDTAreal Flood AdvisoryMLBMartin94 min
Jun 26, 4:14 PM EDTSpecial Weather StatementMLBVolusia46 min
Jun 26, 4:28 PM EDTSpecial Weather StatementMLBIndian River47 min
Jun 26, 4:29 PM EDTAreal Flood AdvisoryMLBVolusia50 min
Jun 26, 4:47 PM EDTSpecial Weather StatementMLBIndian River28 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.