// Station · 9m ago

RKSS

Gimpo International Airport

CAT MVFR

WIND 320° / 3 kt

VIS 3.1 SM

CEILING BKN at 2,000 ft

T/Td 20°C / 20°C

ALTIM 29.65 inHg

WX -DZ

ELEV 59 FT

37.5583°N / 126.7910°E

LOCATION · Seoul, KR

WIND

320°3 kt

RKSS · 59 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

320°/3

VIS

3.1 SM

CEILING

BKN020

LAYERS

SCT005 BKN020 OVC060

T / Td

20 / 20

ALTIM

29.65"

// Interpretation

MVFR — ceiling 2,000 ft. Light winds at 320°/3 kt, visibility 3.1 SM, scattered at 500 ft, broken at 2,000 ft, and overcast at 6,000 ft. Reported weather: -DZ. 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 RKSS 271400Z 32003KT 5000 -DZ SCT005 BKN020 OVC060 20/20 Q1004 NOSIG

RKSS · day 27 at 14:00 UTC · wind from 320° at 3 kt · visibility 3.1 SM · scattered layer at 500 ft · broken layer at 2,000 ft · overcast at 6,000 ft · temp 20°C / dewpoint 20°C · altimeter 29.65" Hg · weather: -DZ

// Runway analysis · computed from current METAR wind

Wind 320° @ 3 kt

ALL USABLE · WINDS CALM

WIND

320°3 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 +6°C

1,000FT

+941 FT ABOVE FIELD ELEV

FIELD ELEV59 FT OAT+20°C ISA DELTA+6°C PRESSURE ALT331 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.

// Cloud layers · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC060

Overcast · base 6,000 ft AGL · 8 oktas

BKN020

Broken · base 2,000 ft AGL · ~5–7 oktas

SCT005

Scattered · base 500 ft AGL · ~3–4 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER6,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL10,160 ft VFR MARGIN-1,000 ft

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

20:17ZSUNRISE

03:31ZSOLAR NOON

10:45ZSUNSET

11:15ZCIVIL END

CURRENT14:09Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:15Z (past) DAY LENGTH14h 28m

Waxing Gibbous

ILLUMINATION84% MOONRISE05:06Z MOONSET19:35Z FULL MOON IN4 days

// Nearest reporting stations · 4 shown · 60 NM radius

RKSM

IFR → MVFR 00Z

Seoul Air Base (K-16) · Seongnam

WIND: 360° / 2 kt
VIS: 3.0 SM
CEILING: BKN015
DIST: 17 NM SE
AGE: 1h 9m ago

RKSI

IFR → MVFR 20Z

Incheon International Airport · Seoul

WIND: 040° / 7 kt
VIS: 6+ SM
CEILING: BKN008
DIST: 17 NM W
AGE: 9m ago

RKSO

MVFR → IFR 20Z

Osan Air Base · Pyeongtaek

WIND: CALM
VIS: 7.0 SM
CEILING: OVC017
DIST: 30 NM S
AGE: 14m ago

RKSG

MVFR → VFR 03Z

Camp Humphreys (A-511) Desiderio Army Airfield · Pyeongtaek

WIND: 230° / 2 kt
VIS: 10+ SM
CEILING: BKN020
DIST: 38 NM S
AGE: 14m ago

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

AIRSPACE

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