// Station · 50m ago

RKPC

Jeju International Airport

CAT IFR

WIND 100° / 12 kt

VIS 2.5 SM

CEILING BKN at 500 ft

T/Td 20°C / 19°C

ALTIM 29.62 inHg

WX -DZ BR

ELEV 118 FT

33.5121°N / 126.4925°E

LOCATION · Jeju City, KR

WIND

100°12 kt

RKPC · 118 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

100°/12

VIS

2.5 SM

CEILING

BKN005

LAYERS

BKN005 BKN025

T / Td

20 / 19

ALTIM

29.62"

// Interpretation

IFR conditions — ceiling 500 ft. Moderate winds at 100°/12 kt, visibility 2.5 SM, broken at 500 ft, and broken at 2,500 ft. Reported weather: -DZ BR. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR RKPC 271000Z 10012KT 4000 -DZ BR BKN005 BKN025 20/19 Q1003 NOSIG

RKPC · day 27 at 10:00 UTC · wind from 100° at 12 kt · visibility 2.5 SM · broken layer at 500 ft · broken layer at 2,500 ft · temp 20°C / dewpoint 19°C · altimeter 29.62" Hg · weather: -DZ BR

// Runway analysis · computed from current METAR wind

Wind 100° @ 12 kt

2 USABLE · 2 AVOID

WIND

100°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

07★ HDG 070° H10 kt X6 kt RIGHT PRIMARY · 10,433'

13 HDG 130° H10 kt X6 kt LEFT 6,268'

TAILWIND ENDS · AVOID 2 ends

25 HDG 250° T10 kt X6 kt LEFT —

31 HDG 310° T10 kt X6 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 +6°C

1,100FT

+982 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -700 FT

24h AGO18h12h6hNOW

FIELD ELEV118 FT OAT+20°C ISA DELTA+6°C PRESSURE ALT419 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

+11%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-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.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN025

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

BKN005

Broken · base 500 ft AGL · ~5–7 oktas

// Computed

CEILING500 ft AGL HIGHEST LAYER2,500 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL10,219 ft VFR MARGIN-2,500 ft

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

20:28ZSUNRISE

03:32ZSOLAR NOON

10:36ZSUNSET

11:04ZCIVIL END

CURRENT10:50Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:04Z (14m) DAY LENGTH14h 08m

Waxing Gibbous

ILLUMINATION83% MOONRISE05:11Z MOONSET19:19Z FULL MOON IN4 days

// Nearest reporting stations · 4 shown · 150 NM (sparse area)

RKJB

IFR

Muan International Airport · Muan (Piseo-ri)

WIND: 350° / 4 kt
VIS: 1.9 SM
CEILING: BKN005
DIST: 89 NM N
AGE: 50m ago

RJFE

IFR

Fukue Airport · Goto

WIND: 330° / 7 kt
VIS: 5.0 SM
CEILING: BKN008
DIST: 128 NM SE
AGE: 50m ago

RKJK

IFR

Gunsan Airport / Gunsan Air Base · Gunsan

WIND: 310° / 5 kt
VIS: 1.9 SM
CEILING: OVC010
DIST: 144 NM N
AGE: 30m ago

RJDT

LIFR

Tsushima Airport · Tsushima

WIND: 050° / 7 kt
VIS: 1.2 SM
CEILING: BKN002
DIST: 149 NM E
AGE: 50m ago

// Area map · 160 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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