// Station · 17m ago

RKSM

Seoul Air Base (K-16)

CAT VFR

WIND 220° / 2 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 26°C / 24°C

ALTIM 29.84 inHg

ELEV 92 FT

37.4447°N / 127.1127°E

LOCATION · Seongnam, KR

WIND

220°2 kt

RKSM · 92 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

220°/2

VIS

6+ SM

CEILING

—

LAYERS

SCT200

T / Td

26 / 24

ALTIM

29.84"

// Interpretation

VFR with light winds at 220°/2 kt. Visibility 6+ SM 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 RKSM 251600Z 22002KT 9999 SCT200 26/24 A2984

RKSM · day 25 at 16:00 UTC · wind from 220° at 2 kt · visibility 6+ SM · scattered layer at 20,000 ft · temp 26°C / dewpoint 24°C · altimeter 29.84" Hg

// Runway analysis · computed from current METAR wind

Wind 220° @ 2 kt

ALL USABLE · WINDS CALM

WIND

220°2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

02 HDG 020° —CALM —— 9,700'

20 HDG 200° —CALM —— 9,700'

01 HDG 010° —CALM —— 9,000'

19 HDG 190° —CALM —— 9,000'

Pattern altitude: 1,092 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

+1,408 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV92 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT169 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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT200

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

// Computed

CEILING— HIGHEST LAYER20,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL13,223 ft VFR MARGINunlimited

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

20:57ZSUNRISE

03:35ZSOLAR NOON

10:12ZSUNSET

10:39ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING17h 54m VFR NIGHT BEGINS10:39Z (18h 21m) DAY LENGTH13h 14m

Waxing Gibbous

ILLUMINATION94% MOONRISE07:00Z MOONSET20:14Z 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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