// Station · 9m ago

RKNY

Yangyang International Airport

CAT MVFR

WIND 140° / 1 kt

VIS 5.0 SM

CEILING BKN at 3,000 ft

T/Td 19°C / 19°C

ALTIM 29.85 inHg

WX -RA

ELEV 241 FT

38.0605°N / 128.6698°E

LOCATION · Gonghang-ro, KR

WIND

140°1 kt

RKNY · 241 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

140°/1

VIS

5.0 SM

CEILING

BKN030

LAYERS

FEW003 BKN030 OVC070

T / Td

19 / 19

ALTIM

29.85"

// Interpretation

MVFR — ceiling 3,000 ft. Light winds at 140°/1 kt, visibility 5.0 SM, a few at 300 ft, broken at 3,000 ft, and overcast at 7,000 ft. Reported weather: light rain (-RA). 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 RKNY 130100Z 14001KT 8000 -RA FEW003 BKN030 OVC070 19/19 Q1011 NOSIG

RKNY · day 13 at 01:00 UTC · wind from 140° at 1 kt · visibility 5.0 SM · a few clouds at 300 ft · broken layer at 3,000 ft · overcast at 7,000 ft · temp 19°C / dewpoint 19°C · altimeter 29.85" Hg · weather: light rain (-RA)

// Runway analysis · computed from current METAR wind

Wind 140° @ 1 kt

ALL USABLE · WINDS CALM

WIND

140°1 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

15 HDG 150° —CALM —— 8,202'

33 HDG 330° —CALM —— 8,202'

Pattern altitude: 1,241 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 +5°C

900FT

+659 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV241 FT OAT+19°C ISA DELTA+5°C PRESSURE ALT306 FT

// Performance equivalent Operating here right now feels like operating at RKSV (Pyoripsan Heliport, Pyoripsan, elev 820 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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)

OVC070

Overcast · base 7,000 ft AGL · 8 oktas

BKN030

Broken · base 3,000 ft AGL · ~5–7 oktas

FEW003

Few · base 300 ft AGL · ~1–2 oktas

// Computed

CEILING3,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL9,837 ft VFR MARGIN+0 ft

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

21:32ZSUNRISE

03:12ZSOLAR NOON

08:53ZSUNSET

09:19ZCIVIL END

CURRENT01:09Z DAYLIGHT REMAINING7h 44m VFR NIGHT BEGINS09:19Z (8h 10m) DAY LENGTH11h 20m

Waxing Crescent

ILLUMINATION3% MOONRISE22:53Z MOONSET10:14Z 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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