// Station · 8m ago

RJFU

Nagasaki Airport

CAT VFR

WIND 170° / 10 kt

VIS 6+ SM

CEILING BKN at 10,000 ft

T/Td 26°C / 21°C

ALTIM 29.97 inHg

ELEV 15 FT

32.9169°N / 129.9140°E

LOCATION · Nagasaki, JP

WIND

170°10 kt

RJFU · 15 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

170°/10

VIS

6+ SM

CEILING

BKN100

LAYERS

FEW025 SCT045 BKN100

T / Td

26 / 21

ALTIM

29.97"

// Interpretation

VFR — ceiling 10,000 ft. Moderate winds at 170°/10 kt, visibility 6+ SM, a few at 2,500 ft, scattered at 4,500 ft, and broken at 10,000 ft. 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 RJFU 130100Z 17010KT 9999 FEW025 SCT045 BKN100 26/21 Q1015

RJFU · day 13 at 01:00 UTC · wind from 170° at 10 kt · visibility 6+ SM · a few clouds at 2,500 ft · scattered layer at 4,500 ft · broken layer at 10,000 ft · temp 26°C / dewpoint 21°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 170° @ 10 kt

1 USABLE · 1 AVOID

WIND

170°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H9 kt X5 kt RIGHT PRIMARY · 9,840'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T9 kt X5 kt LEFT —

Pattern altitude: 1,015 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 +11°C

1,300FT

+1,285 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV15 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT-38 FT

// Performance equivalent Operating here right now feels like operating at RJOA (Hiroshima Airport, Hiroshima, elev 1,088 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+13%

-9%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+9%

-6%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

SCT045

Scattered · base 4,500 ft AGL · ~3–4 oktas

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL13,146 ft VFR MARGIN+7,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+9)

21:23ZSUNRISE

03:07ZSOLAR NOON

08:52ZSUNSET

09:16ZCIVIL END

CURRENT01:08Z DAYLIGHT REMAINING7h 44m VFR NIGHT BEGINS09:16Z (8h 08m) DAY LENGTH11h 28m

Waxing Crescent

ILLUMINATION3% MOONRISE22:44Z MOONSET10:13Z FULL MOON IN13 days

// Nearest reporting stations

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

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