// Station · 25m ago

RJBB

Kansai International Airport

CAT VFR

WIND 150° / 5 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 28°C / 23°C

ALTIM 29.85 inHg

ELEV 26 FT

34.4273°N / 135.2440°E

LOCATION · Osaka, JP

WIND

150°5 kt

RJBB · 26 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

150°/5

VIS

6+ SM

CEILING

—

LAYERS

FEW024

T / Td

28 / 23

ALTIM

29.85"

// Interpretation

VFR with light winds at 150°/5 kt. Visibility 6+ SM and a few at 2,400 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 RJBB 252000Z AUTO 15005KT 9999 FEW024 28/23 Q1011 NOSIG

RJBB · day 25 at 20:00 UTC · wind from 150° at 5 kt · visibility 6+ SM · a few clouds at 2,400 ft · temp 28°C / dewpoint 23°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 5 kt

4 USABLE · 0 AVOID

WIND

150°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 4 usable

06L★ HDG 060° H0 kt X5 kt RIGHT PRIMARY · 13,123'

24R HDG 240° H0 kt X5 kt LEFT 13,123'

06R HDG 060° H0 kt X5 kt RIGHT 11,483'

24L HDG 240° H0 kt X5 kt LEFT 11,483'

Pattern altitude: 1,026 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

+1,674 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV26 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT91 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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW024

Few · base 2,400 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,400 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL14,167 ft VFR MARGINunlimited

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

20:28ZSUNRISE

03:02ZSOLAR NOON

09:36ZSUNSET

10:02ZCIVIL END

CURRENT20:25Z DAYLIGHT REMAINING13h 10m VFR NIGHT BEGINS10:02Z (13h 36m) DAY LENGTH13h 07m

Waxing Gibbous

ILLUMINATION94% MOONRISE06:39Z MOONSET19:47Z 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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