// Station · 16m ago

LDDU

Dubrovnik Ruđer Bošković Airport

CAT VFR

WIND 110° / 12 kt

VIS 6+ SM

CEILING CLR

T/Td 31°C / 14°C

ALTIM 29.85 inHg

ELEV 527 FT

42.5622°N / 18.2655°E

LOCATION · Dubrovnik, HR

WIND

110°12 kt

LDDU · 527 FT

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

110°/12

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

31 / 14

ALTIM

29.85"

// Interpretation

VFR with moderate winds at 110°/12 kt. Visibility 6+ SM and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR LDDU 251600Z 11012KT CAVOK 31/14 Q1011 NOSIG

LDDU · day 25 at 16:00 UTC · wind from 110° at 12 kt · visibility 6+ SM · temp 31°C / dewpoint 14°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 110° @ 12 kt

1 USABLE · 1 AVOID

WIND

110°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

11★ HDG 110° H12 kt X0 kt — PRIMARY · 10,597'

TAILWIND ENDS · AVOID 1 ends

29 HDG 290° T12 kt X0 kt — —

Pattern altitude: 1,527 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +17°C

2,700FT

+2,173 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV527 FT OAT+31°C ISA DELTA+17°C PRESSURE ALT592 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,700 ft high on a standard ISA day — that's +2,173 ft above LDDU's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+27%

-19%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+19%

-12%

Light jetCJ4, Phenom 300, M2

+11%

-8%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL16,184 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

04:05ZSUNRISE

10:50ZSOLAR NOON

17:35ZSUNSET

18:05ZCIVIL END

CURRENT16:16Z DAYLIGHT REMAINING1h 19m VFR NIGHT BEGINS18:05Z (1h 48m) DAY LENGTH13h 30m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:07Z MOONSET03:38Z FULL MOON IN2 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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