Alert archive / Florida / Tornado Warnings in 2014

Tornado Warning 8, NWS Melbourne, FL

March 6, 2014Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Mar 6, 2014, 3:25 PM EST for Martin County, Florida. It was in force for 35 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
Mar 6, 2014, 3:25 PM EST (20:25 UTC)
Expired
Mar 6, 2014, 4:00 PM EST
In force
35 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Martin County, FL

The radar

The Melbourne radar (KMLB), 134 km from the middle of the area, began a volume at 20:27 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
Mar 6, 11:28 AM ESTTornado WatchSPC5 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 8.4 hours before the alert went out and 131 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, Miami, FL at 12:00Z on 2014-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 888 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, Miami, FL at 12:00Z on 2014-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.19395878Sfc1 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
888 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

231 
WFUS52 KMLB 062025
TORMLB
FLC085-062100-
/O.NEW.KMLB.TO.W.0008.140306T2025Z-140306T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
325 PM EST THU MAR 6 2014

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MARTIN COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...JUPITER ISLAND...HOBE SOUND...

* UNTIL 400 PM EST.

* AT 324 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHWEST OF JONATHAN DICKINSON STATE PARK...OR NEAR JUPITER...
  MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOBE
  SOUND BEACH

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.

&&

LAT...LON 2697 8014 2696 8014 2696 8025 2714 8015
      2697 8007
TIME...MOT...LOC 2025Z 220DEG 36KT 2694 8016

$$



BRAGAW
1 follow-up statement
110 
WWUS52 KMLB 062052
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
352 PM EST THU MAR 6 2014

FLC085-062101-
/O.EXP.KMLB.TO.W.0008.000000T0000Z-140306T2100Z/
MARTIN-
352 PM EST THU MAR 6 2014

...THE TORNADO WARNING FOR SOUTHEASTERN MARTIN COUNTY WILL EXPIRE AT
400 PM EST...

THE SEVERE STORM THAT PROMPTED THE TORNADO WARNING FOR SOUTHEAST 
MARTIN COUNTY HAS WEAKENED AND HAS MOVED OFFSHORE...THUS THE WARNING 
HAS BEEN CANCELLED. HOWEVER...HEAVY RAIN AND DANGEROUS LIGHTNING 
STRIKES WILL CONTINUE TO BE POSSIBLE.

A SPECIAL MARINE WARNING REMAINS IN EFFECT FOR THE COASTAL WATERS OF 
MARTIN AND ST. LUCIE COUNTY THROUGH 515 PM EST. 

LAT...LON 2697 8014 2696 8014 2696 8025 2714 8015
      2697 8007
TIME...MOT...LOC 2051Z 220DEG 36KT 2714 7997

$$






BRAGAW

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 12:48 PM ESTSpecial Marine WarningMLB87 min
Mar 6, 2:38 PM ESTSpecial Weather StatementMLBMartin, Okeechobee, Saint Lucie52 min
Mar 6, 2:59 PM ESTSevere Thunderstorm WarningMLBMartin, Okeechobee, Saint Lucie31 min
Mar 6, 3:11 PM ESTSpecial Marine WarningMLB2 hr
Mar 6, 3:13 PM ESTTornado WarningMLBMartin, Saint Lucie47 min
Mar 6, 3:30 PM ESTTornado WarningMLBMartin, Okeechobee, Saint Lucie60 min

Nearby

Tornado Warnings in Florida, 2014Every tornado warning in 2014Tornadoes in 2014

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.