Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Melbourne, FL

March 18, 2014Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Mar 18, 2014, 12:22 AM EDT for Osceola County, Florida. It was in force for 38 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: Mar 18, 2014, 12:22 AM EDT (04:22 UTC)
Expired: Mar 18, 2014, 1:00 AM EDT
In force: 38 min
Issued by: NWS Melbourne, FL

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 57 km from the middle of the area, began a volume at 04:21 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

Tampa Bay, FL (KTBW), launched 00:00Z, 4.4 hours before the alert went out and 121 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: 354 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 325 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.9

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 Mar 17, 9:20 PM EDT, 3 hours 2 minutes earlier.

Area forecast discussion, Mar 17, 9:20 PM EDT, 3 hours 2 minutes before

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Hazardous weather outlook, Mar 17, 9:51 PM EDT, 2 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
951 PM EDT MON MAR 17 2014

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-180700-
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-
951 PM EDT MON MAR 17 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.

.THUNDERSTORM IMPACT...
A BROKEN BAND OF SHOWERS WITH EMBEDDED THUNDERSTORMS CONTINUES TO
SLOWLY MOVE ACROSS THE CENTRAL FLORIDA PENINSULA THIS EVENING AHEAD
OF AN AREA OF LOW PRESSURE OVER THE NORTHEASTERN GULF OF MEXICO. AS
THIS LOW PRESSURE SYSTEM MOVES ACROSS FLORIDA TONIGHT...IT WILL PUSH
THE CURRENT ACTIVITY THROUGH THE STATE AS A COLD FRONT MOVES THROUGH
BY TUESDAY MORNING.

THOUGH A LACK OF INSTABILITY HAS MINIMIZED STORM COVERAGE THIS
EVENING...STRONG WIND FIELDS IN THE LOWER AND MIDDLE LEVELS OF THE
ATMOSPHERE MAY ALLOW FOR AN ISOLATED THREAT OF STRONG TO SEVERE
STORMS PRIMARILY SOUTH AND EAST OF A TITUSVILLE TO KISSIMMEE LINE
THROUGH DAYBREAK TUESDAY.

THE MAIN THREATS WITH ANY STRONGER ACTIVITY THAT CAN DEVELOP WILL BE
STRONG TO DAMAGING STRAIGHT LINE WIND GUSTS TO 60 MPH AND ISOLATED
TORNADOES. STORM MOTION WILL BE RAPIDLY TOWARD THE NORTHEAST AT 40
TO 50 MPH.

.MARINE THUNDERSTORM GUST IMPACT...
SCATTERED STORMS ARE EXPECTED TO PUSH OFFSHORE ALONG THE EAST
COAST THROUGH THE OVERNIGHT HOURS WITH STRONG TO DAMAGING WINDS
POSSIBLE WITH ANY STRONGER ACTIVITY. ISOLATED TORNADOES AND
WATERSPOUTS ARE ALSO POSSIBLE.

.WIND AND SEA IMPACT...
HAZARDOUS BOATING CONDITIONS WILL CONTINUE OVER THE LOCAL ATLANTIC
THROUGH TONIGHT. A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE ENTIRE
COASTAL WATERS FOR SOUTH TO SOUTHWEST WINDS UP TO 20 TO 25 KNOTS AND
SEAS UP TO 6 FEET OFFSHORE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
A PERIOD OF GUSTY NORTH WINDS BEHIND THE FRONTAL PASSAGE EARLY
TUESDAY MORNING WILL KEEP HAZARDOUS BOATING CONDITIONS FOR THE
WATERS BEYOND 20 NM THROUGH TUESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS SHOULD CONTINUE TO MONITOR THE WEATHER OVERNIGHT AND
ACTIVATE LOCAL NETWORKS SHOULD ANY WARNINGS BE ISSUED.

MOSES

In the hours before

Special weather statement, Mar 17, 11:03 PM EDT, 1 hour 19 minutes before

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Special weather statement, Mar 17, 11:35 PM EDT, 47 minutes before

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Special weather statement, Mar 18, 12:14 AM EDT, 8 minutes before

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Special weather statement, Mar 18, 12:22 AM 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
Mar 17, 11:03 PM EDT	Special Weather Statement	MLB	Osceola	42 min
Mar 17, 11:35 PM EDT	Special Weather Statement	MLB	Orange, Seminole	40 min
Mar 17, 11:42 PM EDT	Special Marine Warning	MLB		63 min
Mar 18, 12:14 AM EDT	Special Weather Statement	MLB	Orange, Seminole	46 min
Mar 18, 12:56 AM EDT	Special Weather Statement	MLB	Brevard	49 min
Mar 18, 1:10 AM EDT	Special Marine Warning	MLB		80 min
Mar 18, 1:44 AM EDT	Special Weather Statement	MLB	Orange, Seminole, Volusia	46 min
Mar 18, 2:30 AM EDT	Special Weather Statement	MLB	Orange, Seminole	45 min
Mar 18, 2:32 AM EDT	Special Marine Warning	MLB		88 min
Mar 18, 2:35 AM EDT	Special Weather Statement	MLB	Orange	25 min
Mar 18, 3:41 AM EDT	Special Weather Statement	MLB	Brevard, Okeechobee	49 min
Mar 18, 4:01 AM EDT	Special Marine Warning	MLB		89 min
Mar 18, 4:27 AM EDT	Severe Thunderstorm Warning	MLB	Brevard	33 min
Mar 18, 4:41 AM EDT	Special Weather Statement	MLB	Indian River, Okeechobee, Saint Lucie	49 min
Mar 18, 5:16 AM EDT	Special Marine Warning	MLB		89 min
Mar 18, 5:26 AM EDT	Special Weather Statement	MLB	Martin, Saint Lucie	64 min
Mar 18, 6:06 AM EDT	Special Marine Warning	MLB		54 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.