Alert archive / Florida / Tornado Warnings in 2015

Tornado Warning 3, NWS Melbourne, FL

June 10, 2015Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 10, 2015, 4:39 PM EDT for Martin County, Florida. It was in force for 21 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 10, 2015, 4:39 PM EDT (20:39 UTC)
Expired: Jun 10, 2015, 5:00 PM EDT
In force: 21 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 20:41 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

Miami, FL (KMFL), launched 12:00Z, 8.7 hours before the alert went out and 132 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2267 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 749 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 66 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.

406 
WFUS52 KMLB 102039
TORMLB
FLC085-102100-
/O.NEW.KMLB.TO.W.0003.150610T2039Z-150610T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
439 PM EDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MARTIN COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 500 PM EDT
    
* AT 439 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER TEQUESTA...AND MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TEQUESTA...JUPITER ISLAND...HOBE SOUND AND JONATHAN DICKINSON STATE
  PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2702 8020 2707 8012 2703 8010 2697 8008
      2699 8009 2697 8009 2697 8014 2696 8014
      2696 8016
TIME...MOT...LOC 2039Z 244DEG 13KT 2698 8008 

$$

LASCODY

1 follow-up statement

850 
WWUS52 KMLB 102058
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
458 PM EDT WED JUN 10 2015

FLC085-102107-
/O.EXP.KMLB.TO.W.0003.000000T0000Z-150610T2100Z/
MARTIN FL-
458 PM EDT WED JUN 10 2015

...THE TORNADO WARNING FOR SOUTHEASTERN MARTIN COUNTY WILL EXPIRE AT
500 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OFFSHORE. THEREFORE 
THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 2702 8020 2707 8012 2703 8010 2697 8008
      2699 8009 2697 8009 2697 8014 2696 8014
      2696 8016
TIME...MOT...LOC 2056Z 244DEG 13KT 2698 8008 

$$

LASCODY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 9:02 PM EDT	Special Weather Statement	MLB	Flagler	58 min
Jun 10, 1:29 PM EDT	Special Weather Statement	MLB	Lake	46 min
Jun 10, 1:49 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange	26 min
Jun 10, 2:05 PM EDT	Special Weather Statement	MLB	Indian River	55 min
Jun 10, 2:17 PM EDT	Special Weather Statement	MLB	Flagler	58 min
Jun 10, 2:21 PM EDT	Special Weather Statement	MLB	Orange, Osceola, Seminole	54 min
Jun 10, 2:38 PM EDT	Special Marine Warning	MLB		52 min
Jun 10, 3:09 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	66 min
Jun 10, 3:16 PM EDT	Special Weather Statement	MLB	Brevard, Seminole, Volusia	59 min
Jun 10, 3:20 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola	55 min
Jun 10, 3:40 PM EDT	Special Marine Warning	MLB		95 min
Jun 10, 4:33 PM EDT	Special Weather Statement	MLB	Martin	42 min
Jun 10, 4:38 PM EDT	Special Marine Warning	MLB		52 min

Nearby

Tornado Warnings in Florida, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.