Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Melbourne, FL

June 11, 2014Okeechobee County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 11, 2014, 6:24 PM EDT for Okeechobee County, Florida. It was in force for 51 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 11, 2014, 6:24 PM EDT (22:24 UTC)
Expired: Jun 11, 2014, 7:15 PM EDT
In force: 51 min
Issued by: NWS Melbourne, FL

County Okeechobee County, FL

The radar

The Melbourne radar (KMLB), 102 km from the middle of the area, began a volume at 22:26 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, 10.4 hours before the alert went out and 143 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: 463 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 962 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -10 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.

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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 11, 3:30 PM EDT, 2 hours 54 minutes earlier.

Area forecast discussion, Jun 11, 3:30 PM EDT, 2 hours 54 minutes before

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Hazardous weather outlook, Jun 11, 12:49 PM EDT, 5 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1249 PM EDT WED JUN 11 2014

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-120200-
COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE
OUT 20 NM-
COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN
INLET OUT 20 NM-
COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO
60 NM OFFSHORE-
WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO
60 NM OFFSHORE-
WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
1249 PM EDT WED JUN 11 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
AN UPPER LEVEL TROUGH WILL COMBINE WITH A DEEP WEST TO SOUTHWEST
FLOW AND LEAD TO A GREATER COVERAGE OF SHOWERS AND THUNDERSTORMS
ACROSS EAST CENTRAL FLORIDA THIS AFTERNOON INTO THIS EVENING. A
FEW STRONG STORMS WILL BE POSSIBLE...ESPECIALLY WITH ANY BOUNDARY
COLLISIONS THAT OCCUR ALONG THE STALLED SEA BREEZE BOUNDARY FROM
MID TO LATE AFTERNOON. MAIN THREATS INCLUDE STRONG WIND GUSTS UP
TO 50 MPH...SMALL HAIL...FREQUENT LIGHTNING AND LOCALLY HEAVY
RAINFALL AS THESE STORMS MOVE TOWARD THE EAST-NORTHEAST AROUND 15
TO 20 MPH.

.MARINE THUNDERSTORM GUST IMPACT...
STORMS WILL INCREASE IN COVERAGE AND WILL MOVE TOWARD THE EAST TO
NORTHEAST AROUND 15 TO 20 MPH ACROSS THE REGION THIS AFTERNOON.
ANY CONVECTION THAT DEVELOPS WILL HAVE THE POTENTIAL TO PRODUCE
WIND GUSTS UP TO 35 KNOTS OVER INLAND LAKES AND ACROSS THE
INTRACOASTAL AND NEARSHORE WATERS AS STORMS PUSH OFFSHORE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
AN UPPER LEVEL TROUGH OF LOW PRESSURE MOVING THROUGH THE EASTERN
STATES WILL CONTINUE TO PRODUCE SOUTHWEST STEERING FLOW ACROSS
CENTRAL FLORIDA ALLOWING STORMS OVER THE INTERIOR TO MOVE TOWARD
THE EAST COAST THURSDAY. SOUTHEAST FLOW DEVELOPING THIS WEEKEND
SHOULD FOCUS HIGHER STORM COVERAGE ACROSS INTERIOR SECTIONS
SATURDAY THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE
IF NEEDED.

WEITLICH/ULRICH

In the hours before

Special weather statement, Jun 11, 3:05 PM EDT, 3 hours 19 minutes before

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Special weather statement, Jun 11, 3:27 PM EDT, 2 hours 57 minutes before

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Local storm report, Jun 11, 4:15 PM EDT, 2 hours 9 minutes before

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Local storm report, Jun 11, 6:04 PM EDT, 20 minutes before

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Special weather statement, Jun 11, 6:15 PM EDT, 9 minutes before

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Special weather statement, Jun 11, 6:24 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 11, 1:44 PM EDT	Special Weather Statement	MLB	Lake, Orange	61 min
Jun 11, 2:13 PM EDT	Special Weather Statement	MLB	Flagler	47 min
Jun 11, 2:29 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Seminole	33 min
Jun 11, 2:40 PM EDT	Special Weather Statement	MLB	Orange, Seminole	50 min
Jun 11, 2:44 PM EDT	Special Marine Warning	MLB		2 hr
Jun 11, 3:05 PM EDT	Special Weather Statement	MLB	Brevard	55 min
Jun 11, 3:27 PM EDT	Special Weather Statement	MLB	Seminole	48 min
Jun 11, 6:15 PM EDT	Special Weather Statement	MLB	Orange	45 min

Nearby

Special Weather Statements in Florida, 2014 Every special weather statement in 2014

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.