Special Weather Statement, NWS Melbourne, FL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
1007 PM EDT SUN APR 14 2013

.UPDATE...
TORNADO WATCH 106 EXTENDED UNTIL 11 PM FOR BREVARD...OSCEOLA AND
INDIAN RIVER COUNTIES...

&&

.DISCUSSION...
SEVERAL WELL DEFINED SUPERCELLS MOVED ACROSS OSCEOLA AND BREVARD
COUNTIES OVER THE PAST COUPLE HOURS. SOME EARLIER CELLS WHICH
AFFECTED THE INTERSTATE FOUR CORRIDOR PRODUCED LARGE HAIL...STRONG
WINDS AND NUISANCE FLOODING IN SPOTS OVER VOLUSIA AND ORANGE COUNTIES.

SHORT TERM CONCERNS WILL BE MONITORING CELLS MOVING OFFSHORE THE
SPACE COAST AND NORTHERN AREAS OVER THE NEXT ONE TO TWO HOURS. THE
THREAT OF SEVERE WEATHER WILL EXIST UNTIL THIS ACTIVITY CLEARS
EAST OF THE AREA.

&&

.AVIATION...
MAINLY COASTAL SITES WILL EXPERIENCE SHORT TERM STRONG STORMS
WITH TEMPO REDUCTION TO CIGS AND VSBYS THEN A LIKELIHOOD OF LOWER
CIGS REDEVELOPING TOWARD DAYBREAK MON.

&&

.MARINE...
LOCALLY HIGHER WINDS AND SEAS ESPECIALLY OFFSHORE...WILL CONTINUE
THE CAUTION STATEMENT FOR THE OUTER WATERS. WINDS AND SEAS HIGHER NEAR
SHOWERS AND STORMS MOVING OFFSHORE DURING THIS EVENING.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...TORNADO WATCH UNTIL 11 PM EDT THIS EVENING FOR INDIAN RIVER-
     NORTHERN BREVARD-OSCEOLA-SOUTHERN BREVARD.

AM...TORNADO WATCH UNTIL 11 PM EDT THIS EVENING FOR COASTAL WATERS
     FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20
     NM.

&&

JP/ALM/WU/SK/AB

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1233 PM EDT SUN APR 14 2013

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-142300-
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-
1233 PM EDT SUN APR 14 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
A WARM FRONT IS SLOWLY LIFTING NORTHWARDS ACROSS EAST CENTRAL
FLORIDA EARLY THIS AFTERNOON WITH WARM AND VERY MOIST AIR MOVING
INTO THE REGION BEHIND THE BOUNDARY. THIS AMPLE MOISTURE IN
ADDITION WITH LOW TO MODERATE INSTABILITY AND ENERGY ALOFT WILL
LEAD TO SCATTERED AFTERNOON AND EVENING LIGHTNING STORMS.

SHOWERS AND STORMS ARE DEVELOPING SOUTH OF THE BOUNDARY ACROSS THE
SPACE AND TREASURE COASTS WHERE ABUNDANT DAYTIME HEATING HAS LED
TO EXTENSIVE CUMULUS DEVELOPMENT. ACTIVITY WILL BE SLOWER TO
DEVELOP NORTH OF A CAPE CANAVERAL TO KISSIMMEE LINE AND IS NOT
EXPECTED UNTIL THE LATE AFTERNOON AND EARLY EVENING BEHIND THE
WARM FRONT. THE HIGHEST CHANCE FOR STORMS WILL BE FROM THE
ORLANDO METRO SOUTHWARDS ACROSS OSCEOLA...BREVARD...AND INDIAN
RIVER COUNTIES.

THE PRIMARY HAZARDS WILL BE FREQUENT CLOUD TO GROUND LIGHTNING
STRIKES...GUSTY WINDS ABOVE 45 MPH IN A FEW STRONGER STORMS AND
SMALL HAIL. WIND SHEAR WILL BE FAVORABLE FOR A FEW ROTATING STORMS
LATE TODAY AND EARLY THIS EVENING...MAINLY ALONG THE WARM FRONT.

A COUPLE OF STORMS MAY ALSO CONTAIN HEAVY RAINFALL AND NUISANCE
FLOODING MAY OCCUR WHERE STORM CELLS MOVE OVER THE SAME AREAS.
STORM MOVEMENT WILL MOVE NORTH AT 10 TO 15 MPH.

.MARINE THUNDERSTORM GUST IMPACT...
SCATTERED STORMS ARE EXPECTED INTO THIS EVENING OVER THE CENTRAL
PENINSULA...WITH HIGHEST CHANCES ACROSS ORLANDO METRO SOUTHWARDS
ACROSS OSCEOLA...BREVARD...AND INDIAN RIVER COUNTIES. A FEW STRONG
STORMS WITH GUSTY WINDS 35 KNOTS OR HIGHER WILL BE POSSIBLE. STORM
MOTION IS EXPECTED TO BE TO THE NORTH AT 10 TO 15 KNOTS. A FEW
STORMS MAY MOVE OFFSHORE AND ACROSS THE INTRACOASTAL AND NEAR
SHORE COASTAL WATERS.

.WATERSPOUT IMPACT...
THERE IS A THREAT FOR ISOLATED TORNADIC WATERSPOUTS AS STORMS MOVE
OFF THE MAINLAND AND ACROSS THE INTRACOASTAL AND ATLANTIC WATERS
FROM THE CAPE NORTHWARD.

.RIP CURRENT IMPACT...
A LINGERING EAST SWELL WILL KEEP THE RIP CURRENT THREAT AT LOW TO
MODERATE. CHECK WITH THE BEACH PATROL ABOUT OCEAN HAZARDS AND
ONLY SWIM NEAR A LIFEGUARD.

.WIND AND SEA IMPACT...
SOUTHERLY WINDS WILL INCREASE TO 15 TO 20 KNOTS OVER THE OFFSHORE
WATERS LATER TONIGHT. SMALL CRAFT SHOULD EXERCISE CAUTION OVER THE
ATLANTIC WATERS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
HIGHER MOISTURE WILL LINGER INTO MONDAY AND BRING A CHANCE OF
STORMS. A SMALL THREAT FOR LIGHTNING STORMS WILL EXIST MAINLY
ACROSS THE INTERIOR INTO MID-WEEK DUE TO SEA BREEZE INTERACTIONS.

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

MOSES/SEDLOCK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
826 PM EDT SUN APR 14 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0626 PM     HAIL             4 NNE ALTAMONTE SPRINGS 28.71N 81.37W
04/14/2013  E0.25 INCH       SEMINOLE           FL   PUBLIC

            A MEMBER OF THE PUBLIC REPORTED PEA-SIZED HAIL ABOUT 1
            MILE NORTHEAST OF SR434 AND INTERSTATE 4 IN LONGWOOD
            AROUND 626PM LOCAL. DURATION WAS ABOUT 2 MINUTES.

&&

ULRICH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
941 PM EDT SUN APR 14 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0925 PM     TSTM WND GST     3 SSE COCOA             28.34N 80.73W
04/14/2013  M56.00 MPH       BREVARD            FL   OTHER FEDERAL

            CAPE CANAVERAL AIR FORCE STATION TOWER 9404 MEASURED A 49
            KNOT / 56 MPH GUST AT 925PM LOCAL.

&&

ULRICH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1022 PM EDT SUN APR 14 2013

FLZ047-150300-
SOUTHERN BREVARD COUNTY-
1022 PM EDT SUN APR 14 2013

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN UP TO 55 MPH OVER SOUTHERN BREVARD COUNTY...

* UNTIL 1100 PM EDT.

AT 1018 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS 7 MILES SOUTH OF PALM
BAY...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE MICCO AND GRANT VALKARIA.

A FLOOD ADVISORY CONTINUES FOR SOUTHERN BREVARD COUNTY THROUGH
MIDNIGHT FOR PERSISTENT HEAVY RAIN CAUSING FLOODING OF SOME ROADS
AND POOR DRAINAGE AREAS.

THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

LAT...LON 2785 8046 2787 8048 2791 8049 2791 8050
      2786 8049 2782 8051 2782 8086 2782 8087
      2824 8086 2828 8066 2822 8063 2829 8062
      2829 8060 2808 8056 2787 8045 2786 8045
TIME...MOT...LOC 0221Z 243DEG 24KT 2790 8067

KELLY

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