Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Melbourne, FL

February 16, 2016Orange County, Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Feb 16, 2016, 2:52 AM EST for Orange County, Osceola County, Florida. It was in force for 53 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
Feb 16, 2016, 2:52 AM EST (07:52 UTC)
Expired
Feb 16, 2016, 3:45 AM EST
In force
53 min
Issued by
NWS Melbourne, FL

Counties Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 43 km from the middle of the area, began a volume at 07:53 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, 7.9 hours before the alert went out and 151 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, Tampa Bay, FL at 00:00Z on 2016-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 366 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2016-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.1939587897117136Sfc1 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
366 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

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 Feb 15, 10:30 PM EST, 4 hours 22 minutes earlier.

Area forecast discussion, Feb 15, 10:30 PM EST, 4 hours 22 minutes before
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Hazardous weather outlook, Feb 15, 7:00 PM EST, 7 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
700 PM EST MON FEB 15 2016

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-161000-
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-
700 PM EST MON FEB 15 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.

.THUNDERSTORM IMPACT...
A BAND OF SHOWERS AND STORMS DEVELOPING OVER THE EASTERN GULF OF
MEXICO TONIGHT IS EXPECTED TO WEAKEN AS IT MOVES QUICKLY EASTWARD
ACROSS THE AREA AFTER MIDNIGHT...UP TO 35 TO 40 MPH. A FEW STRONGER
STORMS WILL BE POSSIBLE...MAINLY NORTH AND WEST OF THE TREASURE
COAST. THE MAIN THREAT FROM ANY STRONGER STORMS WILL BE STRONG GUSTY
WINDS UP TO 50 MPH AND SMALL HAIL.

.MARINE THUNDERSTORM GUST IMPACT...
ISOLATED STORMS OVERNIGHT TONIGHT AND EARLY TUESDAY MORNING WILL
MOVE EAST TO NORTHEAST UP TO 30 TO 35 KNOTS ACROSS THE AREA.
WIND GUSTS IN EXCESS OF 35 KNOTS WILL ACCOMPANY A FEW OF THE
STRONGER STORMS.

.WIND AND SEA IMPACT...
A MODERATE TO FRESH SOUTHERLY BREEZE WILL CONTINUE OVERNIGHT AND
PRODUCE HAZARDOUS BOATING CONDITIONS FOR MOST OF THE COASTAL WATERS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
HAZARDOUS BOATING CONDITIONS WILL CONTINUE INTO TUESDAY MORNING.
SMALL CRAFT OPERATORS WILL PROBABLY NEED TO EXERCISE CAUTION
FROM MID TO LATE WEEK AS A MODERATE NORTH TO NORTHEAST BREEZE
GENERATES A MODERATE TO ROUGH CHOP...ESPECIALLY IN THE GULF
STREAM.

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

WEITLICH/ULRICH

In the hours before

Special weather statement, Feb 16, 2:52 AM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
252 AM EST TUE FEB 16 2016

FLZ045-047-053-147-160845-
NORTHERN BREVARD COUNTY FL-SOUTHERN BREVARD COUNTY FL-OSCEOLA FL-
ORANGE FL-
252 AM EST TUE FEB 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR ORANGE...OSCEOLA AND NORTHWESTERN
BREVARD COUNTIES UNTIL 345 AM EST...

AT 251 AM EST...DOPPLER RADAR WAS TRACKING A BAND OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR LAKE HART TO 9 MILES
SOUTHEAST OF BARTOW...AND MOVING NORTHEAST AT 20 MPH.

WINDS IN EXCESS OF 45 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ORLANDO...KISSIMMEE...TITUSVILLE...SAINT CLOUD AND WINTER PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING AND STRONG WIND
GUSTS...WHICH CAN CAUSE UNSECURED OBJECTS TO BLOW AROUND...SNAP TREE
LIMBS...CAUSE POWER OUTAGES OR CAPSIZE SMALL BOATS. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...WHICH WILL
REDUCE VISIBILITY AND MAY LEAD TO TEMPORARY FLOODING OF LOW LYING AND
POOR DRAINAGE AREAS. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EST FOR EAST CENTRAL
FLORIDA.

LAT...LON 2856 8146 2867 8067 2866 8067 2866 8066
      2859 8069 2861 8081 2858 8069 2848 8072
      2852 8078 2841 8075 2764 8100 2764 8114
      2765 8114 2806 8146 2801 8138 2808 8135
      2826 8164
TIME...MOT...LOC 0751Z 241DEG 19KT 2837 8116 2777 8177

LASCODY

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 10:21 PM ESTSpecial Marine WarningMLB84 min
Feb 16, 3:22 AM ESTSpecial Marine WarningMLB113 min
Feb 16, 3:36 AM ESTSpecial Weather StatementMLBBrevard, Orange, Osceola, Seminole114 min
Feb 16, 3:47 AM ESTTornado WarningMLBBrevard, Orange, Osceola43 min
Feb 16, 4:05 AM ESTSpecial Weather StatementMLBIndian River, Okeechobee, Saint Lucie85 min
Feb 16, 4:22 AM ESTTornado WarningMLBBrevard38 min
Feb 16, 4:37 AM ESTSmall Craft AdvisoryMLB5 hr
Feb 16, 4:40 AM ESTSevere Thunderstorm WarningMLBBrevard, Osceola65 min
Feb 16, 4:56 AM ESTSpecial Marine WarningMLB109 min
Feb 16, 5:14 AM ESTSpecial Marine WarningMLB61 min
Feb 16, 5:32 AM ESTSpecial Weather StatementMLBIndian River, Martin, Saint Lucie58 min
Feb 16, 6:31 AM ESTSpecial Weather StatementMLBMartin29 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.