Special Weather Statement, NWS Melbourne, FL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
358 PM EDT SUN JUL 22 2012

...ELEVATED SHOWER AND THUNDERSTORM CHANCES THROUGH EARLY WEEK...

.DISCUSSION...

CURRENT-TONIGHT...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO
DEVELOP AND MOVE ONSHORE ACROSS EAST CENTRAL FLORIDA AS A LAYER OF
DEEP MOISTURE MOVES IN FROM THE SOUTHEAST. THIS ENHANCED MOISTURE
IS ASSOCIATED WITH A TROPICAL WAVE AND WILL ACT TO PROVIDE LARGE
SCALE LIFT FOR ASCENT AND SUBSEQUENT SHOWERS/THUNDERSTORMS. WINDS
OF 45-50 MPH...CLOUD TO GROUND LIGHTNING STRIKES AND BRIEF HEAVY
DOWNPOURS WILL BE POSSIBLE IN ANY STORM AND ONSHORE MOVING SQUALL THAT
FORMS. WILL KEEP SCATTERED RAIN CHANCES IN ALL NIGHT SOUTH OF A
LINE FROM CAPE CANAVERAL TO KISSIMMEE AND FOR COASTAL
AREAS...OWING TO BEING IN THE MOST FAVORABLE LOCATIONS FOR LARGE
SCALE ASCENT AHEAD OF A WELL DEFINED VORTICITY MAXIMUM. INLAND
LOCATIONS TO THE NORTH WILL SEE ISOLATED SHOWERS AND STORMS
THROUGH EARLY MONDAY MORNING SINCE SUPPORT WILL BE LESS. ABUNDANT
MOISTURE AND CLOUD COVER WILL KEEP OVERNIGHT LOWS EXTREMELY WARM
AND MUGGY ONCE AGAIN TONIGHT...WITH INTERIOR LOCATIONS DROPPING
INTO THE MID-UPPER 70S AND COASTAL AREAS ONLY FALLING INTO THE
UPPER 70S TO NEAR 80.

MONDAY-MONDAY NIGHT...THE AFOREMENTIONED TROPICAL WAVE WILL
CONTINUE TRAVERSING OVER THE AREA...PROVIDING SUPPORT FOR NUMEROUS
SHOWERS WITH EMBEDDED THUNDERSTORMS. EARLY START TO PRECIPITATION
DUE TO SLUG OF MOISTURE SHOULD KEEP STORMS FROM BECOMING OVERLY
STRONG OR REACHING SEVERE LIMITS AS LOW LEVEL INSTABILITY WILL BE
LIMITED. THIS WILL ALSO LIMIT HIGH TEMPERATURES...WITH UPPER 80S
TO NEAR 90 OCCURRING OVER THE INTERIOR AND COASTAL SITES MAKING IT
INTO THE UPPER 80S.

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE THROUGH
MONDAY NIGHT AS MOISTURE AND VORTICITY MAXIMUM STAY LOCKED OVER
THE AREA. WARM OVERNIGHT LOWS YET ONCE AGAIN WITH MID-UPPER 70S
ALONG THE COAST AND MID 70S OVER THE INTERIOR.

TUE-FRI (PREVIOUS DISCUSSION)...RIDGE AXIS WILL BECOME ESTABLISHED BACK
ACROSS THE CENTRAL PENINSULA ON TUESDAY THEN DRIFT SLOWLY
SOUTHWARD MID TO LATE WEEK. POSITION OF LOW LEVEL RIDGE AXIS WILL
FAVOR NORTHERN AND INTERIOR SECTIONS FOR SLIGHTLY HIGHER POPS
(30-40 PERCENT)...AND SLIGHTLY LOWER SOUTHERN COASTAL
SECTIONS...AT 20-30 PERCENT. RIDGE ALOFT WILL KEEP TEMPS ON THE
WARM SIDE WITH LOW/MID 90S ACROSS THE INTERIOR AND AROUND 90 ALONG
THE COAST BEFORE THE ONSET OF THE SEA BREEZE...WITH SOME LOWER 90S
ALONG THE VOLUSIA COUNTY COAST AS THE POSITION OF THE RIDGE AXIS
FAVORS A SLIGHTLY LATER SEA BREEZE ONSET NORTH. OVERNIGHT MINS
CONTINUE ON THE WARM AND MUGGY SIDE...WITH MID/UPPER 70S.

&&

.AVIATION...

TEMPO TSRA THIS AFTERNOON AND VCSH FOR ALL SITES. WILL SEE
MVFR/IFR CONDITIONS THIS AFTERNOON AND EVENING AS SHRA AND TSRA
MOVE THROUGH...BUT EXPECT PREVAILING VFR CONDITIONS AS A RULE
THROUGH THE REST OF THE PERIOD AT THIS POINT. WILL SEE TEMPO SHRA
AND TSRA OVERNIGHT AS DEEP MOISTURE AND TROPICAL WAVE APPROACH
THE AREA.

&&

.MARINE...

CURRENT-MONDAY...SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE
MOVING ACROSS THE COASTAL WATERS AS A TROPICAL WAVE AND ASSOCIATED
DEEP LAYER MOISTURE MOVE IN FROM THE SOUTHEAST. WIND GUSTS OF UP
TO 40-45 KNOTS WILL BE POSSIBLE IN STORMS AND PASSING SQUALLS.
MARINERS SHOULD SEEK SHELTER IN ANY PASSING SHOWERS AND STORMS.

OTHERWISE...EXPECT SOUTHEAST WINDS OF 10-15 KNOTS NORTH OF THE
VOLUSIA BREVARD COUNTY LINE AND 15-20 KNOTS SOUTH THROUGH MONDAY
AS THE PRESSURE GRADIENT TIGHTENS DUE TO THE CENTER OF THE ATLANTIC
HIGH PRESSURE RIDGE NUDGING CLOSER TO THE AREA. SEAS WILL RUN 3-5
FEET WITH DOMINANT PERIODS OF 9-10 SECONDS NORTH OF SEBASTIAN
INLET AND 4-6 SECONDS SOUTH.

TUE-THUR (MODIFIED PREVIOUS)...HIGH PRESSURE WILL BECOME ESTABLISHED
ACROSS THE CENTRAL PENINSULA ON TUESDAY...THEN WILL DRIFT A LITTLE
SOUTHWARD DURING THE MID TO LATE WEEK WITH WINDS VEERING MORE
TOWARD S-SSW AS IT DOES SO. ISOLATED TO SCATTERED CHANCES FOR THE
BALANCE OF THE WEEK WITH HIGHEST PROSPECTS FOR OFFSHORE MOVING
STORMS NORTHERN SECTIONS DURING THE MID TO LATE WEEK. WINDS WILL
BE FROM THE E/SE AT GENERALLY 15KT OR LESS...VEERING MORE S-SSW
5-10KT MID TO LATE WEEK. SEAS A LITTLE ELEVATED THROUGH MID WEEK
DUE TO SWELL...BUT EXPECTED TO REMAIN 5 FEET OR LESS THROUGH THE
PERIOD.

&&

.PRELIMINARY POINT TEMPS/POPS...
DAB  78  88  76  90 /  30  60  50  50
MCO  76  90  75  91 /  30  70  40  50
MLB  80  88  76  90 /  40  60  40  40
VRB  78  89  76  90 /  40  60  40  40
LEE  76  90  76  92 /  30  70  50  50
SFB  77  90  76  92 /  30  70  50  50
ORL  77  90  76  92 /  30  70  50  50
FPR  78  88  76  89 /  40  60  40  30

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.

&&

SHORT TERM/AVIATION...GUSEMAN
IMPACT WEATHER/RADAR...BRAGAW/SEDLOCK

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1215 PM EDT SUN JUL 22 2012

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-230415-
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-
1215 PM EDT SUN JUL 22 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
A DEEP EASTERLY FLOW ACROSS CENTRAL FLORIDA WILL FOCUS DAILY
THUNDERSTORM ACTIVITY OVER THE WEST PENINSULA THIS AFTERNOON. A
FEW THUNDERSTORMS MAY DEVELOP THAT WILL BE CAPABLE OF GENERATING
WIND GUSTS UP TO 45 MPH...MAINLY WEST OF A LINE FROM LAKE GEORGE
TO LAKE KISSIMMEE. EVEN SO...THE PRIMARY WEATHER HAZARDS WILL BE
FREQUENT CLOUD-TO-GROUND LIGHTNING STRIKES. REMEMBER...EVEN IF
THERE IS NO RAIN...LIGHTNING CAN BE A THREAT. CEASE OUTDOOR
ACTIVITY AND MOVE INDOORS IMMEDIATELY IF THUNDER IS HEARD.

SHOWERS AND ISOLATED STORMS ASSOCIATED WITH A TROPICAL WAVE WILL
IMPACT AN AREA FROM ORLANDO AND MELBOURNE TO LAKE OKEECHOBEE AND
HOBE SOUND TONIGHT WITH LOCAL HEAVY RAIN...WIND GUSTS TO 35 MPH
AND OCCASIONAL CLOUD TO GROUND LIGHTNING STRIKES.

.RIP CURRENT IMPACT...
THERE WILL BE A LOW TO MODERATE RIP CURRENT RISK AT AREA BEACHES
TODAY. THE THREAT WILL BE HIGHEST THROUGH SUNSET DUE TO TIDAL
EFFECTS. CHECK WITH LIFEGUARDS ABOUT OCEAN HAZARDS BEFORE ENTERING
THE SURF.

.MARINE THUNDERSTORM GUST IMPACT...
SCATTERED SHOWERS AND THUNDERSTORMS WILL HAVE THE POTENTIAL TO
PRODUCE WIND GUSTS OVER 35 MPH ON INLAND LAKES AND WATERWAYS WEST
I-95 THROUGH THIS EVENING. SHOWERS AND ISOLATED STORMS ASSOCIATED
WITH A TROPICAL WAVE WILL IMPACT THE COASTAL WATER TONIGHT WITH
CLOUD TO WATER LIGHTNING STRIKES AND WIND GUSTS TO 35 MPH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED ON
MONDAY AS THE TROPICAL WAVE MOVES ACROSS THE PENINSULA.

A MORE TYPICAL SUMMERTIME PATTERN OF SCATTERED AFTERNOON LIGHTNING
STORMS RETURNS DAILY FROM TUESDAY THROUGH THE LATE WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

BRAGAW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
336 PM EDT SUN JUL 22 2012

FLZ147-222030-
NORTHERN BREVARD COUNTY-
336 PM EDT SUN JUL 22 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER NORTHERN BREVARD COUNTY...

* UNTIL 430 PM EDT.

AT 334 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SQUALL CAPABLE OF PRODUCING STRONG WIND GUSTS 9 MILES SOUTHWEST OF
CAPE CANAVERAL...MOVING NORTHWEST AT 30 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE KENNEDY SPACE CENTER...KLONDIKE BEACH AND MERRITT ISLAND
WILDLIFE REFUGE.

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 2838 8059 2842 8064 2850 8060 2850 8063
      2843 8066 2844 8073 2852 8077 2845 8076
      2846 8090 2849 8087 2853 8093 2879 8097
      2879 8079 2871 8071 2873 8070 2879 8075
      2879 8072 2847 8052
TIME...MOT...LOC 1936Z 138DEG 33KT 2857 8040 2844 8058
          2831 8072

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
411 PM EDT SUN JUL 22 2012

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

0330 PM     TSTM WND GST     2 S CAPE CANAVERAL      28.36N 80.61W
07/22/2012  M68.00 MPH       BREVARD            FL   TRAINED SPOTTER

            A SPOTTER MEASURED A 68 MPH THUNDERSTORM WIND GUST ON HIS
            DAVIS PRO WEATHER STATION.

0340 PM     TSTM WND GST     5 NE PORT CANAVERAL     28.46N 80.53W
07/22/2012  M58.00 MPH       BREVARD            FL   OTHER FEDERAL

            USAF 54 FT WIND TOWER NUMBER 3 MEASURED A 50 KT/58 MPH
            THUNDERSTORM WIND GUST.

0350 PM     TSTM WND GST     3 W CAPE CANAVERAL      28.40N 80.65W
07/22/2012  M59.00 MPH       AMZ552             FL   MESONET

            MESONET SITE MEASURED 51 KT/59 MPH WIND GUST DURING
            THUNDERSTORM.

&&

ARB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
431 PM EDT SUN JUL 22 2012

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

0405 PM     MARINE TSTM WIND 3 NNE KENNEDY SPACE CEN 28.56N 80.67W
07/22/2012  M45.00 MPH       BREVARD            FL   OTHER FEDERAL

            USAF 54 FT TOWER NUMBER 509 MEASURED A THUNDERSTORM WIND
            GUST OF 39 KT/45 MPH.

&&

ARB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
436 PM EDT SUN JUL 22 2012

FLZ041-044>046-053-141-144-222200-
COASTAL VOLUSIA COUNTY-INLAND VOLUSIA COUNTY-NORTHERN LAKE
COUNTY-ORANGE-OSCEOLA-SEMINOLE-SOUTHERN LAKE COUNTY-
436 PM EDT SUN JUL 22 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER LAKE COUNTY...WESTERN ORANGE COUNTY...
NORTHWESTERN OSCEOLA COUNTY...NORTHWESTERN SEMINOLE COUNTY...NORTHERN
VOLUSIA COUNTY...

* UNTIL 600 PM EDT.

AT 434 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STORMS CAPABLE OF PRODUCING STRONG WIND GUSTS FROM 20 MILES
SOUTHEAST OF DAYTONA INTERNATIONAL SPEEDWAY TO POINCIANA...MOVING
NORTHWEST AT 35 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE ANIMAL KINGDOM...BAY HILL...CAMPBELL AND CLERMONT.

THIS SPECIAL WEATHER STATEMENT WILL BE FOR AREAS NORTH AND WEST OF
THE CURRENT SEVERE THUNDERSTORM WARNING.

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 2834 8196 2834 8167 2826 8166 2826 8156
      2814 8153 2814 8146 2802 8144 2802 8143
      2898 8137 2920 8099 2943 8110 2941 8116
      2927 8116 2927 8141 2940 8142 2933 8167
      2910 8164 2897 8166 2897 8195 2895 8196
TIME...MOT...LOC 2036Z 149DEG 20KT 2896 8089 2861 8137
          2812 8142

SEDLOCK