Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 1, NWS Melbourne, FL

January 17, 2016Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 17, 2016, 7:03 AM EST for Martin County, Florida. It was in force for 14 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
Jan 17, 2016, 7:03 AM EST (12:03 UTC)
Expired
Jan 17, 2016, 7:17 AM EST
In force
14 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Martin County, FL

The radar

The Melbourne radar (KMLB), 128 km from the middle of the area, began a volume at 12:05 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.

What was reported inside it

TimeReportWhereRemark
Jan 17, 7:13 AM ESTTORNADO2 Nnw Hobe Sound, FLTORNADO TOUCHED DOWN AS EF-1 NEAR U.S. 1 AND MOVED RAPIDLY NORTHEAST, WEAKENING TO AN EF-0 BEFORE LIFTING OVER INTRACOASTAL WATERWAY NEAR SE PALM STREET AT 715 AM EST. SEVERAL LARGE TREES WITH TRUNKS SNAPPED AND/OR UPROOTED. DAMAGE TO ROOFS AND CAR FROM TREES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 17, 12:47 AM ESTTornado WatchSPC8 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 0.1 hours before the alert went out and 135 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 2016-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 760 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 2016-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 511 square meters per square second.1939587897117Sfc1 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
760 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
511 m²/s²
0-3 km storm-relative helicity
486 m²/s²
Significant tornado parameter
2.4
Supercell composite
9.2

Open this sounding in Storm Lab

The text

As transmitted.

704 
WFUS52 KMLB 171203
TORMLB
FLC085-171230-
/O.NEW.KMLB.TO.W.0001.160117T1203Z-160117T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
703 AM EST SUN JAN 17 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 730 AM EST
    
* AT 703 AM EST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 10 MILES EAST OF INDIANTOWN...MOVING EAST AT 55
  MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  JUPITER ISLAND AND JONATHAN DICKINSON STATE PARK AROUND 720 AM EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2696 8038 2704 8041 2714 8015 2712 8014
      2713 8015 2707 8012 2697 8008 2697 8014
      2696 8015
TIME...MOT...LOC 1203Z 252DEG 47KT 2699 8031 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PENDERGRAST
2 follow-up statements
675 
WWUS52 KMLB 171211
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
711 AM EST SUN JAN 17 2016

FLC085-171230-
/O.CON.KMLB.TO.W.0001.000000T0000Z-160117T1230Z/
MARTIN FL-
711 AM EST SUN JAN 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM EST FOR
SOUTHERN MARTIN COUNTY...
    
AT 709 AM EST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR JONATHAN DICKINSON STATE PARK...OR NEAR HOBE
SOUND...MOVING EAST AT 55 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  JUPITER ISLAND AND JONATHAN DICKINSON STATE PARK AROUND 720 AM EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IF ON OR NEAR THE INDIAN RIVER GET OUT FROM THE WATER AND MOVE TO
SAFE SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE
LARGE CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO
DOCK AND SEEK SAFE SHELTER NOW. DO NOT BE CAUGHT ON THE WATER IN A
THUNDERSTORM.

&&

LAT...LON 2696 8024 2706 8030 2714 8015 2712 8014
      2713 8015 2707 8012 2701 8010 2699 8015
      2699 8017
TIME...MOT...LOC 1209Z 252DEG 47KT 2702 8022 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PENDERGRAST
088 
WWUS52 KMLB 171217
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
717 AM EST SUN JAN 17 2016

FLC085-171226-
/O.CAN.KMLB.TO.W.0001.000000T0000Z-160117T1230Z/
MARTIN FL-
717 AM EST SUN JAN 17 2016

...THE TORNADO WARNING FOR SOUTHEASTERN MARTIN COUNTY IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS ARE
STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EST FOR PORTIONS
OF EAST CENTRAL FLORIDA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
MELBOURNE.

LAT...LON 2696 8024 2706 8030 2714 8015 2712 8014
      2713 8015 2707 8012 2701 8010 2699 8015
      2699 8017
TIME...MOT...LOC 1215Z 252DEG 47KT 2705 8011 

$$

PENDERGRAST

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 9:19 PM ESTWind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia18 hr
Jan 17, 4:30 AM ESTSevere Thunderstorm WarningMLBBrevard22 min
Jan 17, 5:05 AM ESTSevere Thunderstorm WarningMLBBrevard, Indian River, Okeechobee, Osceola55 min
Jan 17, 5:22 AM ESTSpecial Weather StatementMLBBrevard, Osceola38 min
Jan 17, 5:40 AM ESTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola50 min
Jan 17, 6:23 AM ESTSpecial Weather StatementMLBIndian River, Martin, Okeechobee, Saint Lucie52 min
Jan 17, 6:59 AM ESTSpecial Weather StatementMLBMartin46 min
Jan 17, 7:15 AM ESTSpecial Marine WarningMLB60 min

Nearby

Tornado Warnings in Florida, 2016Every tornado warning in 2016Tornadoes in 2016

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; radar from the NEXRAD Level II archive.