// Station · 15m ago

RKPC

Jeju International Airport

CAT VFR

WIND 180° / 3 kt

VIS 6+ SM

CEILING CLR

T/Td 26°C / 18°C

ALTIM 29.83 inHg

ELEV 118 FT

33.5121°N / 126.4925°E

LOCATION · Jeju City, KR

WIND

180°3 kt

RKPC · 118 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

180°/3

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

26 / 18

ALTIM

29.83"

// Interpretation

VFR with light winds at 180°/3 kt. Visibility 6+ SM and no reported cloud layers. 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 RKPC 251600Z 18003KT CAVOK 26/18 Q1010 NOSIG

RKPC · day 25 at 16:00 UTC · wind from 180° at 3 kt · visibility 6+ SM · temp 26°C / dewpoint 18°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 180° @ 3 kt

ALL USABLE · WINDS CALM

WIND

180°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

07 HDG 070° —CALM —— 10,433'

25 HDG 250° —CALM —— 10,433'

13 HDG 130° —CALM —— 6,268'

31 HDG 310° —CALM —— 6,268'

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 +11°C

1,600FT

+1,482 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV118 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT213 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 MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+16%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-5%

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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL13,249 ft VFR MARGINunlimited

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

21:04ZSUNRISE

03:37ZSOLAR NOON

10:10ZSUNSET

10:35ZCIVIL END

CURRENT16:15Z DAYLIGHT REMAINING17h 54m VFR NIGHT BEGINS10:35Z (18h 19m) DAY LENGTH13h 05m

Waxing Gibbous

ILLUMINATION94% MOONRISE07:07Z MOONSET20:12Z FULL MOON IN2 days

// Nearest reporting stations

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

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