Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Melbourne, FL

June 18, 2016Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 18, 2016, 4:21 PM EDT for Osceola County, Florida. It was in force for 39 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, 4:21 PM EDT (20:21 UTC)
Expired
Jun 18, 2016, 5:00 PM EDT
In force
39 min
Issued by
NWS Melbourne, FL

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 42 km from the middle of the area, began a volume at 20:20 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, 8.4 hours before the alert went out and 84 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.

853 
WWUS82 KMLB 182021
SPSMLB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
421 PM EDT SAT JUN 18 2016
 
FLZ053-054-058-182100-
OSCEOLA FL-OKEECHOBEE FL-INDIAN RIVER FL-
421 PM EDT SAT JUN 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN OKEECHOBEE...WESTERN
INDIAN RIVER AND SOUTHEASTERN OSCEOLA COUNTIES UNTIL 500 PM EDT...

AT 420 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES WEST OF BLUE CYPRESS LAKE...MOVING SOUTHEAST AT 15 MPH.
ADDTIONAL STRONG STORMS MAY FORM FARTHER NORTH INTO CENTRAL OSCEOLA
COUNTY. 

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE... 
LAKE MARIAN...YEEHAW JUNCTION...BLUECYPRESS LAKE AND FOREVER FLORIDA. 

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 2751 8074 2777 8118 2818 8122 2802 8087
      2782 8087 2782 8067
TIME...MOT...LOC 2020Z 296DEG 13KT 2772 8089 

$$

WEITLICH

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, 4:29 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
Jun 18, 5:20 PM EDTSevere Thunderstorm WarningMLBBrevard, Indian River40 min

Nearby

Special Weather Statements in Florida, 2016Every special weather statement 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.