Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Melbourne, FL

June 5, 2016Okeechobee County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 5, 2016, 4:38 PM EDT for Okeechobee County, Florida. It was in force for 37 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 5, 2016, 4:38 PM EDT (20:38 UTC)
Expired: Jun 5, 2016, 5:15 PM EDT
In force: 37 min
Issued by: NWS Melbourne, FL

County Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 79 km from the middle of the area, began a volume at 20:42 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, 8.6 hours before the alert went out and 122 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: 912 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this special weather statement went out at Jun 5, 3:45 PM EDT, 53 minutes earlier.

Area forecast discussion, Jun 5, 3:45 PM EDT, 53 minutes before

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Hazardous weather outlook, Jun 5, 11:20 AM EDT, 5 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MELBOURNE FL
1120 AM EDT SUN JUN 5 2016

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-052300-
FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM-
SEBASTIAN INLET TO JUPITER INLET 0-20 NM-FLAGLER BEACH TO VOLUSIA-
BREVARD COUNTY LINE 20-60 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM-
SEBASTIAN INLET TO JUPITER INLET 20-60 NM-INLAND VOLUSIA COUNTY-
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY-
NORTHERN BREVARD COUNTY-
1120 AM EDT SUN JUN 5 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
HIGH PRESSURE SHIFTING FARTHER OUT INTO THE ATLANTIC TODAY WILL
PRODUCE A SOUTHERLY WIND FLOW, WHICH WILL TAP A MUCH MORE MOIST
AIR MASS. THIS WILL LEAD TO SCATTERED TO NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS DURING THE AFTERNOON AND EVENING AS
SEA BREEZE AND OUTFLOW BOUNDARIES INTERACT. A FEW STRONG STORMS
WITH FREQUENT TO EXCESSIVE LIGHTNING STRIKES, TORRENTIAL DOWNPOURS
AND GUSTY WINDS TO AROUND 40 MPH ARE EXPECTED. MOVEMENT SHOULD BE
TOWARDS THE NORTH OR NORTHEAST AT 5 TO 10 MPH.

.FLOOD IMPACT...
A FEW OF THE STRONGER AND SLOWER MOVING STORMS WILL BE CAPABLE OF
PRODUCING 2 TO 3 INCHES OF RAINFALL IN A SHORT PERIOD OF TIME,
WHICH WOULD CAUSE CONSIDERABLE PONDING OF WATER ON ROADWAYS AND
OTHER POORLY DRAINED AREAS.

.RIP CURRENT IMPACT...
A LINGERING OCEAN SWELL WILL KEEP A MODERATE RIP CURRENT RISK AT
AREA BEACHES. THE STRONGEST SEAWARD PULL IS EXPECTED TO BE FROM
AROUND MIDDAY THROUGH LATE AFTERNOON DUE TO TIDAL EFFECTS. ONLY
SWIM IN THE OCEAN NEAR A LIFEGUARD.

.MARINE THUNDERSTORM GUST IMPACT...
STORMS FORMING OVER LAND WILL MOVE NORTH TO NORTHEAST AROUND 10
KNOTS THIS AFTERNOON. A FEW COULD PRODUCE GUSTY WINDS TO 35 KNOTS
AND FREQUENT LIGHTNING STRIKES OVER THE INTRACOASTAL AND NEARSHORE
ATLANTIC WATERS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
TROPICAL DEPRESSION NUMBER THREE IN THE SOUTHERN GULF OF MEXICO IS
FORECAST TO LIFT NORTH THROUGH MONDAY, THEN TURN NORTHEASTWARD AND
CROSS THE NORTHERN FLORIDA PENINSULA MONDAY NIGHT INTO EARLY TUESDAY.

BASED ON THE CURRENT FORECAST, THIS SYSTEM WILL LIKELY BRING A THREAT
FOR HEAVY RAINFALL, STRONG GUSTY WINDS, SEVERE OR TORNADIC STORMS
AND HAZARDOUS BOATING CONDITIONS TO EAST CENTRAL FLORIDA MONDAY
INTO TUESDAY.

PEOPLE ACROSS EAST CENTRAL FLORIDA ARE URGED TO MONITOR THE PROGRESS
OF THIS DEVELOPING WEATHER SYSTEM. BE PREPARED TO ACTIVATE YOUR
PERSONAL SEVERE WEATHER PLAN, SHOULD IT BECOME NECESSARY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY.

LASCODY/SEDLOCK

In the hours before

Special weather statement, Jun 5, 2:48 PM EDT, 1 hour 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
248 PM EDT SUN JUN 5 2016

FLZ059-064-051930-
MARTIN FL-ST. LUCIE FL-
248 PM EDT SUN JUN 5 2016

...SIGNIFICANT WEATHER ADVISORY FOR ST. LUCIE AND MARTIN COUNTIES
UNTIL 330 PM EDT...

AT 247 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES WEST OF PALM CITY...MOVING NORTH AT 15 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PORT SAINT LUCIE...WALTON AND STUART.

LAT...LON 2708 8066 2711 8066 2712 8068 2720 8067
      2733 8068 2750 8047 2736 8019 2709 8009
      2696 8033 2696 8037
TIME...MOT...LOC 1847Z 189DEG 22KT 2716 8040

SEDLOCK

Special weather statement, Jun 5, 3:29 PM EDT, 1 hour 9 minutes before

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Local storm report, Jun 5, 4:16 PM EDT, 22 minutes before

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Special weather statement, Jun 5, 4:31 PM EDT, 7 minutes before

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Special weather statement, Jun 5, 4:38 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 2:06 PM EDT	Gale Watch	MLB		3 hr
Jun 5, 2:48 PM EDT	Special Weather Statement	MLB	Martin, Saint Lucie	42 min
Jun 5, 2:56 PM EDT	Flood Watch	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	37 hr
Jun 5, 3:29 PM EDT	Special Weather Statement	MLB	Indian River, Saint Lucie	61 min
Jun 5, 4:31 PM EDT	Special Weather Statement	MLB	Indian River	44 min
Jun 5, 5:08 PM EDT	Special Weather Statement	MLB	Lake, Orange, Osceola	52 min
Jun 5, 5:09 PM EDT	Tropical Storm Watch	MLB		7 hr
Jun 5, 5:56 PM EDT	Special Weather Statement	MLB	Orange, Osceola, Seminole, Volusia	49 min
Jun 5, 6:44 PM EDT	Special Weather Statement	MLB	Volusia	61 min

Nearby

Special Weather Statements in Florida, 2016 Every 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.