// Station · 18m ago

RKSS

Gimpo International Airport

CAT VFR

WIND 330° / 2 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 26°C / 26°C

ALTIM 29.80 inHg

ELEV 59 FT

37.5583°N / 126.7910°E

LOCATION · Seoul, KR

WIND

330°2 kt

RKSS · 59 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

330°/2

VIS

6+ SM

CEILING

—

LAYERS

FEW040 SCT200

T / Td

26 / 26

ALTIM

29.80"

// Interpretation

VFR with light winds at 330°/2 kt. Visibility 6+ SM and a few at 4,000 ft, and scattered at 20,000 ft. 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 RKSS 252200Z 33002KT 9999 FEW040 SCT200 26/26 Q1009 NOSIG

RKSS · day 25 at 22:00 UTC · wind from 330° at 2 kt · visibility 6+ SM · a few clouds at 4,000 ft · scattered layer at 20,000 ft · temp 26°C / dewpoint 26°C · altimeter 29.80" Hg

// Runway analysis · computed from current METAR wind

Wind 330° @ 2 kt

ALL USABLE · WINDS CALM

WIND

330°2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

14L HDG 140° —CALM —— 11,811'

32R HDG 320° —CALM —— 11,811'

14R HDG 140° —CALM —— 10,499'

32L HDG 320° —CALM —— 10,499'

Pattern altitude: 1,059 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

1,500FT

+1,441 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV59 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT183 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 MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT200

Scattered · base 20,000 ft AGL · ~3–4 oktas

FEW040

Few · base 4,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER20,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL13,190 ft VFR MARGINunlimited

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

20:58ZSUNRISE

03:36ZSOLAR NOON

10:13ZSUNSET

10:40ZCIVIL END

CURRENT22:18Z DAYLIGHT REMAINING11h 55m VFR NIGHT BEGINS10:40Z (12h 22m) DAY LENGTH13h 14m

Waxing Gibbous

ILLUMINATION95% MOONRISE07:13Z MOONSET20:28Z 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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