// Station · 58m ago

RKPC

Jeju International Airport

CAT VFR

WIND 120° / 20 kt

VIS 6+ SM

CEILING CLR

T/Td 29°C / 23°C

ALTIM 29.83 inHg

ELEV 118 FT

33.5121°N / 126.4925°E

LOCATION · Jeju City, KR

WIND

120°20 kt

RKPC · 118 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

120°/20

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

29 / 23

ALTIM

29.83"

// Interpretation

VFR with strong winds at 120°/20 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 111300Z 12020KT CAVOK 29/23 Q1010 NOSIG

RKPC · day 11 at 13:00 UTC · wind from 120° at 20 kt · visibility 6+ SM · temp 29°C / dewpoint 23°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 120° @ 20 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

120°20 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

13★ HDG 130° H20 kt X3 kt LEFT PRIMARY · 6,268'

07 HDG 070° H13 kt X15 kt RIGHT ⚠ HIGH XW · 75%

TAILWIND ENDS · AVOID 2 ends

25 HDG 250° T13 kt X15 kt LEFT —

31 HDG 310° T20 kt X3 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 +14°C

1,900FT

+1,782 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV118 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT213 FT

// Performance equivalent Operating here right now feels like operating at RKSC (Surisan Helipad, Gunpo, elev 1,424 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+19%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 · 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 LEVEL14,764 ft VFR MARGINunlimited

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

20:33ZSUNRISE

03:40ZSOLAR NOON

10:47ZSUNSET

11:16ZCIVIL END

CURRENT13:58Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:16Z (past) DAY LENGTH14h 14m

Waning Crescent

ILLUMINATION11% MOONRISE17:56Z MOONSET08:11Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

RKJB

VFR → MVFR 21Z

Muan International Airport · Muan (Piseo-ri)

WIND: 130° / 5 kt
VIS: 6+ SM
CEILING: CLR
DIST: 89 NM N
AGE: 58m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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