// Station · 7m ago

RJAA

Narita International Airport

CAT MVFR

WIND 010° / 11 kt

VIS 6+ SM

CEILING BKN at 1,600 ft

T/Td 24°C / 19°C

ALTIM 30.00 inHg

ELEV 141 FT

35.7686°N / 140.3887°E

LOCATION · Narita, JP

WIND

010°11 kt

RJAA · 141 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

010°/11

VIS

6+ SM

CEILING

BKN016

LAYERS

BKN016 BKN060

T / Td

24 / 19

ALTIM

30.00"

// Interpretation

MVFR — ceiling 1,600 ft. Moderate winds at 010°/11 kt, visibility 6+ SM, broken at 1,600 ft, and broken at 6,000 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR RJAA 130100Z 01011KT 350V050 9999 BKN016 BKN060 24/19 Q1016 NOSIG

RJAA · day 13 at 01:00 UTC · wind from 010° at 11 kt · visibility 6+ SM · broken layer at 1,600 ft · broken layer at 6,000 ft · temp 24°C / dewpoint 19°C · altimeter 30.00" Hg

// Runway analysis · computed from current METAR wind

Wind 010° @ 11 kt

2 USABLE · 2 AVOID · 2 CAUTION

WIND

010°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

34R★ HDG 340° H10 kt X6 kt RIGHT PRIMARY · 8,202'

34L HDG 340° H10 kt X6 kt RIGHT ⚠ HIGH XW · 55%

TAILWIND ENDS · AVOID 2 ends

16L HDG 160° T10 kt X5 kt LEFT —

16R HDG 160° T10 kt X5 kt LEFT —

Pattern altitude: 1,141 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 +9°C

1,200FT

+1,059 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV141 FT OAT+24°C ISA DELTA+9°C PRESSURE ALT59 FT

// Performance equivalent Operating here right now feels like operating at RJSF (Fukushima Airport, Sukagawa, elev 1,221 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN060

Broken · base 6,000 ft AGL · ~5–7 oktas

BKN016

Broken · base 1,600 ft AGL · ~5–7 oktas

// Computed

CEILING1,600 ft AGL HIGHEST LAYER6,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL12,262 ft VFR MARGIN-1,400 ft

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

20:43ZSUNRISE

02:25ZSOLAR NOON

08:08ZSUNSET

08:33ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING7h 00m VFR NIGHT BEGINS08:33Z (7h 26m) DAY LENGTH11h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE22:04Z MOONSET09:29Z FULL MOON IN13 days

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

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