// Station · 8h 16m ago · STALE · HARD STALE

RJTO

Oshima Airport

CAT VFR

WIND 200° / 17 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 29°C / 25°C

ALTIM 29.83 inHg

ELEV 130 FT

34.7820°N / 139.3600°E

LOCATION · Izu Oshima, JP

WIND

200°17 kt

RJTO · 130 FT

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

METRIC

NOW · 08Z

+6H

+12H

+18H

WIND

200°/17

VIS

6+ SM

CEILING

—

LAYERS

FEW010

T / Td

29 / 25

ALTIM

29.83"

// Interpretation

VFR with brisk winds at 200°/17 kt. Visibility 6+ SM and a few at 1,000 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 RJTO 250800Z 20017KT 9999 FEW010 29/25 Q1010

RJTO · day 25 at 08:00 UTC · wind from 200° at 17 kt · visibility 6+ SM · a few clouds at 1,000 ft · temp 29°C / dewpoint 25°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 200° @ 17 kt

1 USABLE · 1 AVOID

WIND

200°17 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

21★ HDG 210° H17 kt X3 kt LEFT PRIMARY · 5,905'

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T17 kt X3 kt RIGHT —

Pattern altitude: 1,130 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 +14°C

2,000FT

+1,870 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV130 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT225 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

+20%

-14%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+14%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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)

FEW010

Few · base 1,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER1,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL14,776 ft VFR MARGINunlimited

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

20:12ZSUNRISE

02:46ZSOLAR NOON

09:20ZSUNSET

09:46ZCIVIL END

CURRENT16:16Z DAYLIGHT REMAINING17h 04m VFR NIGHT BEGINS09:46Z (17h 30m) DAY LENGTH13h 08m

Waxing Gibbous

ILLUMINATION94% MOONRISE06:14Z MOONSET19:22Z 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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