// Station · 7m ago

RJCN

Nakashibetsu Airport

CAT MVFR

WIND 150° / 4 kt

VIS 5.0 SM

CEILING BKN at 1,100 ft

T/Td 16°C / 13°C

ALTIM 30.12 inHg

ELEV 234 FT

43.5775°N / 144.9600°E

LOCATION · Nakashibetsu, JP

WIND

150°4 kt

RJCN · 234 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

150°/4

VIS

5.0 SM

CEILING

BKN011

LAYERS

FEW005 SCT008 BKN011

T / Td

16 / 13

ALTIM

30.12"

// Interpretation

MVFR — ceiling 1,100 ft. Light winds at 150°/4 kt, visibility 5.0 SM, a few at 500 ft, scattered at 800 ft, and broken at 1,100 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 RJCN 130100Z 15004KT 090V200 8000 FEW005 SCT008 BKN011 16/13 Q1020

RJCN · day 13 at 01:00 UTC · wind from 150° at 4 kt · visibility 5.0 SM · a few clouds at 500 ft · scattered layer at 800 ft · broken layer at 1,100 ft · temp 16°C / dewpoint 13°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 4 kt

ALL USABLE · WINDS CALM

WIND

150°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

08 HDG 080° —CALM —— 6,560'

26 HDG 260° —CALM —— 6,560'

Pattern altitude: 1,234 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 +1°C

200FT

-34 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV234 FT OAT+16°C ISA DELTA+1°C PRESSURE ALT33 FT

// Performance equivalent Operating here right now feels like operating at RJEO (Okushiri Airport, Okushiri Island, elev 161 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+2%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-1%

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)

BKN011

Broken · base 1,100 ft AGL · ~5–7 oktas

SCT008

Scattered · base 800 ft AGL · ~3–4 oktas

FEW005

Few · base 500 ft AGL · ~1–2 oktas

// Computed

CEILING1,100 ft AGL HIGHEST LAYER1,100 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL8,315 ft VFR MARGIN-1,900 ft

// Sun & Moon · times in Z · bar = local day (UTC+10)

20:32ZSUNRISE

02:07ZSOLAR NOON

07:43ZSUNSET

08:12ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING6h 36m VFR NIGHT BEGINS08:12Z (7h 04m) DAY LENGTH11h 11m

Waxing Crescent

ILLUMINATION3% MOONRISE21:53Z MOONSET09:04Z 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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