Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 49, NWS Melbourne, FL

June 18, 2016Brevard County, Indian River County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 18, 2016, 5:20 PM EDT for Brevard County, Indian River County, Florida. It was in force for 40 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 18, 2016, 5:20 PM EDT (21:20 UTC)
Expired
Jun 18, 2016, 6:00 PM EDT
In force
40 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Brevard County, FL, Indian River County, FL

The radar

The Melbourne radar (KMLB), 29 km from the middle of the area, began a volume at 21:23 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, 9.3 hours before the alert went out and 69 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 2016-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1068 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 2016-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
1068 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

972 
WUUS52 KMLB 182120
SVRMLB
FLC009-061-182200-
/O.NEW.KMLB.SV.W.0049.160618T2120Z-160618T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
520 PM EDT SAT JUN 18 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN INDIAN RIVER COUNTY IN EAST CENTRAL FLORIDA...
  SOUTHEASTERN BREVARD COUNTY IN FLORIDA...

* UNTIL 600 PM EDT

* AT 520 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BAREFOOT BAY...
  MOVING SOUTH AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  PALM BAY...SEBASTIAN...FELLSMERE...INDIAN RIVER SHORES AND BAREFOOT
  BAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 2794 8070 2797 8051 2772 8036 2770 8075
TIME...MOT...LOC 2120Z 348DEG 12KT 2788 8062 

HAIL...1.00IN
WIND...60MPH
 
$$

BRAGAW
2 follow-up statements
187 
WWUS52 KMLB 182143
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
543 PM EDT SAT JUN 18 2016

FLC009-061-182200-
/O.CON.KMLB.SV.W.0049.000000T0000Z-160618T2200Z/
INDIAN RIVER FL-BREVARD FL-
543 PM EDT SAT JUN 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN INDIAN RIVER AND SOUTHEASTERN BREVARD COUNTIES...

AT 542 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FELLSMERE...
MOVING SOUTH AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
PALM BAY...SEBASTIAN...FELLSMERE...INDIAN RIVER SHORES AND BAREFOOT BAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 2794 8070 2797 8051 2772 8036 2770 8075
TIME...MOT...LOC 2142Z 348DEG 12KT 2781 8060 

HAIL...1.00IN
WIND...60MPH
 
$$

BRAGAW
855 
WWUS52 KMLB 182155
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
555 PM EDT SAT JUN 18 2016

FLC009-061-182204-
/O.EXP.KMLB.SV.W.0049.000000T0000Z-160618T2200Z/
INDIAN RIVER FL-BREVARD FL-
555 PM EDT SAT JUN 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN INDIAN RIVER AND
SOUTHEASTERN BREVARD COUNTIES WILL EXPIRE AT 600 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY WINDS
AND FREQUENT LIGHTNING ARE STILL EXPECTED WITH THIS THUNDERSTORM.

LAT...LON 2794 8070 2797 8051 2772 8036 2770 8075
TIME...MOT...LOC 2152Z 348DEG 12KT 2781 8060 

$$

BRAGAW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 4:20 AM EDTSmall Craft AdvisoryMLB58 hr
Jun 18, 2:06 PM EDTSpecial Weather StatementMLBVolusia39 min
Jun 18, 2:35 PM EDTSpecial Weather StatementMLBVolusia55 min
Jun 18, 3:33 PM EDTSpecial Weather StatementMLBVolusia57 min
Jun 18, 3:46 PM EDTSpecial Marine WarningMLB59 min
Jun 18, 3:49 PM EDTSpecial Weather StatementMLBIndian River41 min
Jun 18, 4:03 PM EDTSpecial Weather StatementMLBOrange, Seminole57 min
Jun 18, 4:06 PM EDTSpecial Marine WarningMLB84 min
Jun 18, 4:09 PM EDTSevere Thunderstorm WarningMLBBrevard36 min
Jun 18, 4:21 PM EDTSpecial Weather StatementMLBOsceola39 min
Jun 18, 4:29 PM EDTSevere Thunderstorm WarningMLBIndian River, Okeechobee, Osceola, Saint Lucie29 min
Jun 18, 4:50 PM EDTSpecial Weather StatementMLBSaint Lucie40 min
Jun 18, 4:52 PM EDTSpecial Marine WarningMLB83 min
Jun 18, 5:00 PM EDTSpecial Weather StatementMLBOsceola45 min
Jun 18, 5:13 PM EDTSpecial Weather StatementMLBBrevard62 min
Jun 18, 5:20 PM EDTSpecial Marine WarningMLB115 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.