// Station · 21m ago

RJOI

Iwakuni Kintaikyo Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING Few/scattered only

T/Td 28.3°C / 23.9°C

ALTIM 29.87 inHg

ELEV 7 FT

34.1463°N / 132.2472°E

LOCATION · Iwakuni, JP

WIND

000°0 kt

RJOI · 7 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

—

LAYERS

FEW025 FEW060

T / Td

28 / 24

ALTIM

29.87"

// Interpretation

VFR with winds calm. Visibility 6+ SM and a few at 2,500 ft, and a few at 6,000 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 RJOI 251556Z 00000KT 9999 FEW025 FEW060 28/24 A2987 RMK A02A SLP114 T02830239

RJOI · day 25 at 15:56 UTC · winds calm · visibility 6+ SM · a few clouds at 2,500 ft · a few clouds at 6,000 ft · temp 28°C / dewpoint 24°C · altimeter 29.87" Hg · sea-level pressure 1011.4 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

02 HDG 020° —CALM —— 8,000'

20 HDG 200° —CALM —— 8,000'

02R HDG 020° —CALM —— 1,200'

20L HDG 200° —CALM —— 1,200'

Pattern altitude: 1,007 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 +13°C

1,700FT

+1,693 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV7 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT54 FT

// Performance equivalent Operating here right now feels like operating at RJAF (Shinshu-Matsumoto Airport, Matsumoto, elev 2,182 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-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)

FEW060

Few · base 6,000 ft AGL · ~1–2 oktas

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER6,000 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL14,300 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+9)

20:41ZSUNRISE

03:14ZSOLAR NOON

09:47ZSUNSET

10:13ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING17h 30m VFR NIGHT BEGINS10:13Z (17h 55m) DAY LENGTH13h 06m

Waxing Gibbous

ILLUMINATION94% MOONRISE06:43Z MOONSET19:50Z 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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