// Station · 11m ago

RJOI

Iwakuni Kintaikyo Airport

CAT VFR

WIND 050° / 4 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 22.8°C / 16.7°C

ALTIM 30.00 inHg

ELEV 7 FT

34.1463°N / 132.2472°E

LOCATION · Iwakuni, JP

WIND

050°4 kt

RJOI · 7 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

050°/4

VIS

10+ SM

CEILING

—

LAYERS

FEW025 FEW200

T / Td

23 / 17

ALTIM

30.00"

// Interpretation

VFR with light winds at 050°/4 kt. Visibility better than 10 statute miles and a few at 2,500 ft, and a few 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 RJOI 130056Z 05004KT 10SM FEW025 FEW200 23/17 A3000 RMK AO2 SLP157 T02280167 $

RJOI · day 13 at 00:56 UTC · wind from 050° at 4 kt · visibility 10+ SM · a few clouds at 2,500 ft · a few clouds at 20,000 ft · temp 23°C / dewpoint 17°C · altimeter 30.00" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.7 mb

// Runway analysis · computed from current METAR wind

Wind 050° @ 4 kt

ALL USABLE · WINDS CALM

WIND

050°4 kt

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 +8°C

800FT

+793 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV7 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT-75 FT

// Performance equivalent Operating here right now feels like operating at RJOB (Okayama Momotaro Airport, Okayama, elev 806 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+8%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+3%

-2%

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)

FEW200

Few · base 20,000 ft AGL · ~1–2 oktas

FEW025

Few · base 2,500 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER20,000 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL11,522 ft VFR MARGINunlimited

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

21:15ZSUNRISE

02:58ZSOLAR NOON

08:41ZSUNSET

09:07ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING7h 34m VFR NIGHT BEGINS09:07Z (7h 59m) DAY LENGTH11h 26m

Waxing Crescent

ILLUMINATION3% MOONRISE22:36Z MOONSET10:02Z FULL MOON IN13 days

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

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