Special Weather Statement, NWS Melbourne, FL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
347 PM EST THU JAN 9 2014

.DISCUSSION...
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
309 PM EST THU JAN 9 2014

.DISCUSSION...
TONIGHT/FRI...THE GFS SHOWS SLOPPY WARM FRONT LIFTING INTO CENTRAL
FLORIDA TONIGHT AND NORTH OF THE AREA FRI AFTERNOON. CONCENTRATED
PRECIP AREA ACROSS THE SOUTH HALF OF THE AREA WITH A FEW LIGHTNING
STRIKES AND SOME FLOODING RAINFALL WILL TAPER OFF OR LIFT INTO THE
ATLANTIC THIS EVENING AS MID LEVEL IMPULSE RIDES QUICKLY
NORTHEASTWARD. PLAN TO START OFF WITH CHANCE POPS AND AN AREA OF
LIKELY POPS ALONG THE SPACE/TREASURE COAST THEN TAPER BACK TO JUST
A SLIGHT CHANCE ALONG THE COAST AFTER MIDNIGHT.

THE MAIN ISSUE THEN BECOMES FRONTAL FOG AS WEAKENING BOUNDARY
IS FORECAST TO LIFT INTO THE AREA...LOW LEVELS QUICKLY BECOME
SATURATED AND WINDS EASE. HAVE EXPANDED THE AREA OF FOG TO INCLUDE
INTERIOR SECTIONS OF THE COASTAL COUNTIES. THERE MAY BE TOO MUCH
CLOUD COVER FOR THE FOG TO BECOME WIDESPREAD DENSE. HOWEVER WITH
SUCH A SOUPY AIR MASS...IT WOULD NOT BE SURPRISING FOR WIDESPREAD
FOG...ESPECIALLY ACROSS THE INTERIOR.

ON FRI...EVEN THOUGH THE WEAK LOW LEVEL BOUNDARY IS SHOWN LIFTING
NORTH OF THE AREA...THE MOISTURE BAND IS IS FORECAST TO LINGER OVER
THE AREA. MOS POPS RANGE FROM LESS THAN 15 PERCENT TO 30 PERCENT...WITH
THE HIGHEST VALUES ACROSS THE SOUTH WHERE HIGHEST MOISTURE IS PROGGED
TO RESIDE. THE ECMWF POPS GENERALLY AGREE. THERE WILL BE A LOT OF
LOW CLOUDINESS IN THE MORNING WHICH WILL INHIBIT HEATING...LOW
LEVEL WINDS/CONVERGENCE WILL EASE AND NO IMPULSE ALOFT IS
INDICATED. THEREFORE EXPECT MUCH LOWER POPS AND WILL GO ALONG WITH
THE MODEL POPS WHICH ARE CLOSE TO OUR CURRENT FORECAST.

FRIDAY NIGHT...HIGH PRESSURE MOVING OFF THE MID ATLC COAST WILL
INTERACT WITH THE NEXT DVLPG SHORT WAVE TROF TO GENERATE A DEEP
S/SW FLOW ACRS THE REGION. THESE WINDS WILL PUSH THE REMNANTS OF A
STATIONARY FRONT AND ITS ASSOCD MOISTURE BAND UP FROM S
FL...SETTING THE STAGE FOR A CLASSIC ISENTROPIC RAIN EVENT.

PRIMARY CONCERN WRT PRECIP COVERAGE WILL BE THE AVAILABILITY OF
MOISTURE THRU THE H100-H70 LYR. GFS MODEL SOUNDINGS DO INDICATE PWAT
VALUES BTWN 1.6"-1.7"...BUT MAINLY SATURATED ABV H70. H100-H70 LYR
IS ON THE DRYSIDE WITH DEWPOINT DEPRESSIONS BTWN 4C-8C...NOT AN
UNREASONABLE ESTIMATE CONSIDERING H100-H70 MEAN RH VALUES BEHIND THE
FRONT DROP BLO 70PCT. BEST RAIN CHANCES WILL OVER THE N HALF OF THE
CWA IN THE VCNTY OF THE FRONTAL BNDRY...BUT GIVEN THE DRY AIR
INTRUSION...WILL KEEP POPS AOB 30PCT. WARM SECTOR DOMINATED BY SRLY
WINDS WILL GENERATE MIN TEMPS IN THE M60S ALONG AND N OF THE I-4
CORRIDOR...TO THE M70S ALONG THE TREASURE COAST.

SAT...(PREVIOUS DISCUSSION) AREA WILL BE IN THE WARM SECTOR AHEAD
OF THE NEXT COLD FRONT WHICH COULD PRODUCE NEAR RECORD WARMTH IN
THE MID 80S IN BREEZY S/SW FLOW...MAINLY SOUTH OF ORLANDO. BOTH
THE 00Z GFS AND ECMWF HAVE SPED UP THE TIMING OF THE PRE-FRONTAL
CONVECTION SO HAVE RAISED POPS ACROSS LAKE AND VOLUSIA COUNTIES TO
40 PERCENT IN THE AFTERNOON. HAVE ALSO ADDED THUNDER LATE IN THE
DAY AND INTO THE EVENING FROM ORLANDO NORTHWARD. STRONGEST STORMS
SHOULD STAY NORTH OF CENTRAL FLORIDA BUT STRENGTHENING WIND FIELDS
COULD PRODUCE GUSTY WINDS WITH THE STORMS.

SUN-WED...COOLER AND DRIER CONDITIONS EXPECTED BEHIND THE FRONT
SUNDAY AND PROBABLY INTO MON. THE GFS/ECMWF DIFFER IN RESPECT TO
THE NEXT FRONT WITH THE ECMWF BEING THE PREFERRED MODEL IN SHOWING
A RETURN TO THE WARM SECTOR MONDAY AND THE NEXT FRONTAL PASSAGE
TUESDAY WITH CHANCE POPS...THEN COLDER/DRIER WED.

&&

.AVIATION...WIDESPREAD MVFR CEILINGS AND AREAS OF IFR ASSOCIATED
WITH AREAS OF RAINFALL WILL CONTINUE INTO EVENING...THEN AS LOW
LEVEL WINDS EASE AFTER MIDNIGHT...IFR SHOULD EXPAND AND AREAS OF
LIFR CEILINGS/VISIBILITIES ARE POSSIBLE...ESPECIALLY INLAND. THE
LAST SET OF TAFS TRENDED CONDITIONS DOWNWARD AND EXPECT FURTHER
LOWERING OF CEILINGS AND VISIBILITIES IN FUTURE TAFS. THE LOW
CLOUDS AND FOG WILL PERSIST FOR SEVERAL HOURS AFTER SUNRISE ON FRI
BUT BY AFTERNOON SKIES SHOULD BECOME PARTLY CLOUDY.

&&

.MARINE...
TONIGHT-FRI...THE HAZARDOUS CONDITIONS ACROSS THE WATERS SHOULD
START TO EASE LATE TONIGHT AS WARM FRONT LIFTS NORTHWARD. WINDS
SHOULD BE SOUTH/SOUTHEAST ON FRI AT 10-15 KNOTS BUT SEAS WILL BE
SLOW TO SUBSIDE. WILL KEEP ADVISORIES THAT EXPIRE AT 4 AM FRI IN
PLACE...EXCEPT WILL EXTEND THE ADVISORY IN THE OFFSHORE NORTHERN
LEG UNTIL 10 AM FRI.

WEEKEND...(PREVIOUS DISCUSSION) SOUTHERLY WINDS WILL BE INCREASING
AHEAD OF AN APPROACHING COLD FRONT ON SAT. EXPECT A SMALL CRAFT
ADVISORY MAY BE NEEDED FOR THE OFFSHORE WATERS. AHEAD OF THE
FRONT...THERE IS A SLIGHT CHANCE FOR A FEW STORMS TO PUSH OFFSHORE
LATE SAT OR SAT EVENING MAINLY NORTH OF THE CAPE. THE FRONT IS
STILL SHOWN TO BE PASSING EAST OF THE WATERS EARLY SUNDAY WITH
BRIEF NORTHWEST TO NORTH WIND SURGE. THE MODELS INDICATE THE
PRESSURE GRADIENT WILL EASE RATHER QUICKLY AS THE HIGH PRESSURE
AREA BEHIND THE FRONT IS WEAK AND VERY PROGRESSIVE.

MON...THERE ARE SOME MODEL DIFFERENCES BUT WOULD EXPECT AS HIGH
PRESSURE PUSHES INTO THE ATLANTIC THAT A 10 KNOT SOUTHEAST RETURN
FLOW DEVELOPS.

&&

.PRELIMINARY POINT TEMPS/POPS...
DAB  63  79  66  81 /  60  30  30  60
MCO  61  82  64  83 /  50  20  30  60
MLB  65  81  71  83 /  70  30  30  50
VRB  66  80  69  83 /  70  30  20  50
LEE  59  80  65  81 /  50  20  30  60
SFB  61  81  65  82 /  50  20  30  60
ORL  62  81  66  82 /  50  20  30  60
FPR  66  80  69  83 /  50  30  20  40

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY FROM 7 PM THIS EVENING TO 4 AM EST FRIDAY
     FOR COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD
     COUNTY LINE OUT 20 NM.

     SMALL CRAFT ADVISORY UNTIL 4 AM EST FRIDAY FOR COASTAL WATERS
     FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-COASTAL
     WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET
     OUT 20 NM-WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20
     TO 60 NM OFFSHORE-WATERS FROM VOLUSIA BREVARD COUNTY LINE
     TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE.

     SMALL CRAFT ADVISORY UNTIL 10 AM EST FRIDAY FOR WATERS FROM
     FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM
     OFFSHORE.

&&

SHORT TERM...LASCODY
IMPACT WX....BRAGAW

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
111 PM EST THU JAN 9 2014

FLZ059-091915-
ST. LUCIE-
111 PM EST THU JAN 9 2014

...FUNNEL CLOUDS POSSIBLE OVER EASTERN ST. LUCIE COUNTY...

AT 107 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING FUNNEL CLOUDS AND STRONG WIND GUSTS OVER
FORT PIERCE...MOVING SOUTHEAST AT 15 MPH. THIS STORM WILL HAVE THE
POTENTIAL OF PRODUCING WATERSPOUTS AS IT WORKS ITS WAY DOWN THE
COAST TOWARD ST. LUCIE INLET THROUGH 215 PM EST.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE GUSTY WINDS
AND FUNNEL CLOUDS INCLUDE FORT PIERCE NORTH...FORT PIERCE SOUTH...
INDIAN RIVER ESTATES AND NETTLES ISLAND.

LAT...LON 2726 8021 2728 8023 2726 8023 2726 8028
      2724 8028 2722 8032 2756 8047 2755 8031
      2755 8032 2747 8028 2745 8028 2732 8021
      2726 8020
TIME...MOT...LOC 1810Z 327DEG 11KT 2744 8033

BRAGAW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
238 PM EST THU JAN 09 2014

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

0230 PM     FLOOD            FORT PIERCE             27.44N 80.32W
01/09/2014                   ST. LUCIE          FL   EMERGENCY MNGR

            ST. LUCIE COUNTY EMERGENCY MANAGEMENT RELAYED A REPORT OF
            MULTIPLE STREET CLOSURES IN FORT PIERCE.

&&

ULRICH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
440 PM EST THU JAN 09 2014

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

0426 PM     FLOOD            1 SSW FORT PIERCE       27.43N 80.33W
01/09/2014                   ST. LUCIE          FL   TRAINED SPOTTER

            SKYWARN SPOTTER REPORTED ROADWAY UNDER AT LEAST ONE FOOT
            OF WATER ON VIRGINIA AVE NEAR US 1 IN SOUTH FORT PIERCE.
            CARS STALLED ALL OVER THE ROAD AND TRAFFIC STOPPED.

&&

JRC

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