// Station · 13m ago

RKJK

Gunsan Airport / Gunsan Air Base

CAT MVFR

WIND 360° / 13 kt

VIS 10+ SM

CEILING OVC at 3,000 ft

T/Td 17.2°C / 15.2°C

ALTIM 29.93 inHg

WX -RA

ELEV 29 FT

35.9038°N / 126.6160°E

LOCATION · Gunsan, KR

WIND

360°13 kt

RKJK · 29 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

360°/13

VIS

10+ SM

CEILING

OVC030

LAYERS

OVC030

T / Td

17 / 15

ALTIM

29.93"

// Interpretation

MVFR — ceiling 3,000 ft. Brisk winds at 360°/13 kt, visibility better than 10 statute miles, overcast at 3,000 ft. Reported weather: light rain (-RA). 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 RKJK 130055Z 36013KT 10SM -RA OVC030 17/15 A2993 RMK AO2A RAB2355E09DZB09E10RAB10E11RAB26E36RAB53 SLP139 P0001 T01720152 $

RKJK · day 13 at 00:55 UTC · wind from 360° at 13 kt · visibility 10+ SM · overcast at 3,000 ft · temp 17°C / dewpoint 15°C · altimeter 29.93" Hg · weather: light rain (-RA) · sea-level pressure 1013.9 mb

// Runway analysis · computed from current METAR wind

Wind 360° @ 13 kt

1 USABLE · 1 AVOID

WIND

360°13 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

36★ HDG 360° H13 kt X0 kt — PRIMARY · 9,000'

TAILWIND ENDS · AVOID 1 ends

18 HDG 180° T13 kt X0 kt — —

Pattern altitude: 1,029 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 +2°C

300FT

+271 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV29 FT OAT+17°C ISA DELTA+2°C PRESSURE ALT17 FT

// Performance equivalent Operating here right now feels like operating at RKTE (Seongmu Airport, elev 258 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+3%

-2%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+2%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-1%

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)

OVC030

Overcast · base 3,000 ft AGL · 8 oktas

// Computed

CEILING3,000 ft AGL HIGHEST LAYER3,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL8,716 ft VFR MARGIN+0 ft

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

21:39ZSUNRISE

03:21ZSOLAR NOON

09:03ZSUNSET

09:28ZCIVIL END

CURRENT01:08Z DAYLIGHT REMAINING7h 54m VFR NIGHT BEGINS09:28Z (8h 20m) DAY LENGTH11h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE23:00Z MOONSET10:24Z FULL MOON IN13 days

// Nearest reporting stations

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

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