483
FXUS62 KMLB 250107
AFDMLB

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
905 PM EDT FRI MAY 24 2013

.DISCUSSION...

ATMOSPHERE MANAGED TO POP SOME SHARA AND ISOLD TS THIS EVENING AHEAD
OF FRONTAL BOUNDARY MOVING IN FROM THE N. NEAR FULL HEATING ENOUGH
TO OVERCOME DRYING UNDERWAY. SOME GOOD NON SEVERE DOWNBURST
SIGNATURES JUST WEST OF MCO. MOST ACTIVITY OCCURRED BETWEEN THE E
AND W COAST SEA BREEZE BNDRY...WITH COLLISION SUPPORTING LITTLE IN
WAY OF ADDITIONAL CONVECTION. ENVIRONMENT STABILIZING NOW AND CU
SHOULD RAPIDLY DISSIPATE WITH LOSS OF HEATING AND WITH AIRMASS
MODIFICATION UNDERWAY. HAVE KEPT FCST MIN TEMP VALUES AS PREV FCST
AS 18Z GUIDANCE AND CURRENT TRENDS SUPPORT CURRENT FCST.

.AVIATION...
BRIEF TS AT MCO THIS EVENING BUT INSTABILITY ON WANE. VFR CONDITIONS
OVERNIGHT AND THRU TOMORROW.

&&

.MARINE...
FRONTAL BOUNDARY TO PUSH THROUGH TONIGHT WITH TIGHTENING PRESS
GRADIENT AS RIDGE BUILDS TO THE NORTH. SEA BREEZE INFLUENCE EARLY
WITH FLOW BACKING TO N-NE FROM N TO S WATERS LATER THIS EVENING.
SPEEDS 15 TO 20KTS AFT MIDNIGHT AND SEAS BUILD TO 3-5 FEET IN
OFFSHORE.

PREV DISC...
SAT-SAT NIGHT....POOR BOATING CONDS AS HI PRES BUILDS OVER THE DEEP
SOUTH IN THE WAKE OF THE FRONT. SFC/BNDRY LYR WINDS WILL FRESHEN OUT
OF THE N/NE...ARND 15KTS NEARSHORE AND 15-20KTS OFFSHORE. SEAS
BUILDING TO 4-5FT AREAWIDE WITH AREAS ARND 6FT IN THE GULF STREAM.
WAVES WILL STAND UP AS WELL DUE TO THE OPPOSING NERLY WINDS/SRLY
GULF STREAM CURRENT...DOMINANT PDS DECREASING TO AOB 6SEC.

&&


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

&&

$$

BLOTTMAN