// Station · 53m ago

RKPC

Jeju International Airport

CAT MVFR

WIND 290° / 11 kt

VIS 6+ SM

CEILING BKN at 2,500 ft

T/Td 23°C / 20°C

ALTIM 29.97 inHg

ELEV 118 FT

33.5121°N / 126.4925°E

LOCATION · Jeju City, KR

WIND

290°11 kt

RKPC · 118 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

290°/11

VIS

6+ SM

CEILING

BKN025

LAYERS

SCT010 BKN025

T / Td

23 / 20

ALTIM

29.97"

// Interpretation

MVFR — ceiling 2,500 ft. Moderate winds at 290°/11 kt, visibility 6+ SM, scattered at 1,000 ft, and broken at 2,500 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 RKPC 130100Z 29011KT 250V320 9999 SCT010 BKN025 23/20 Q1015 WS R13 R31 NOSIG

RKPC · day 13 at 01:00 UTC · wind from 290° at 11 kt · visibility 6+ SM · scattered layer at 1,000 ft · broken layer at 2,500 ft · temp 23°C / dewpoint 20°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 290° @ 11 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

290°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

31★ HDG 310° H10 kt X4 kt LEFT PRIMARY · 6,268'

25 HDG 250° H8 kt X7 kt RIGHT ⚠ HIGH XW · 64%

TAILWIND ENDS · AVOID 2 ends

07 HDG 070° T8 kt X7 kt LEFT —

13 HDG 130° T10 kt X4 kt RIGHT —

Pattern altitude: 1,118 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 +8°C

1,000FT

+882 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -200 FT

24h AGO18h12h6hNOW

FIELD ELEV118 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT65 FT

// Performance equivalent Operating here right now feels like operating at RKPD (Jeongseok Airport, Jeju Island, elev 1,171 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+10%

-7%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+7%

-5%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN025

Broken · base 2,500 ft AGL · ~5–7 oktas

SCT010

Scattered · base 1,000 ft AGL · ~3–4 oktas

// Computed

CEILING2,500 ft AGL HIGHEST LAYER2,500 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL11,734 ft VFR MARGIN-500 ft

// Sun & Moon · times in Z · bar = local day (UTC+8)

21:37ZSUNRISE

03:21ZSOLAR NOON

09:05ZSUNSET

09:30ZCIVIL END

CURRENT01:53Z DAYLIGHT REMAINING7h 11m VFR NIGHT BEGINS09:30Z (7h 36m) DAY LENGTH11h 27m

Waxing Crescent

ILLUMINATION3% MOONRISE23:00Z MOONSET10:27Z FULL MOON IN13 days

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

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