// Station · 9m ago

RJAH

Ibaraki Airport

CAT MVFR

WIND 040° / 9 kt

VIS 6+ SM

CEILING BKN at 2,000 ft

T/Td 23°C / 19°C

ALTIM 30.03 inHg

ELEV 105 FT

36.1815°N / 140.4144°E

LOCATION · Omitama, JP

WIND

040°9 kt

RJAH · 105 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

040°/9

VIS

6+ SM

CEILING

BKN020

LAYERS

FEW012 BKN020 BKN050

T / Td

23 / 19

ALTIM

30.03"

// Interpretation

MVFR — ceiling 2,000 ft. Moderate winds at 040°/9 kt, visibility 6+ SM, a few at 1,200 ft, broken at 2,000 ft, and broken at 5,000 ft. 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 RJAH 130100Z 04009KT 010V080 9999 FEW012 BKN020 BKN050 23/19 Q1017

RJAH · day 13 at 01:00 UTC · wind from 040° at 9 kt · visibility 6+ SM · a few clouds at 1,200 ft · broken layer at 2,000 ft · broken layer at 5,000 ft · temp 23°C / dewpoint 19°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 9 kt

2 USABLE · 2 AVOID

WIND

040°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

03L★ HDG 030° H9 kt X2 kt RIGHT PRIMARY · 8,858'

03R HDG 030° H9 kt X2 kt RIGHT 8,858'

TAILWIND ENDS · AVOID 2 ends

21R HDG 210° T9 kt X2 kt LEFT —

21L HDG 210° T9 kt X2 kt LEFT —

Pattern altitude: 1,105 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

1,000FT

+895 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV105 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT-7 FT

// Performance equivalent Operating here right now feels like operating at RJSF (Fukushima Airport, Sukagawa, elev 1,221 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+10%

-7%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+7%

-5%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN050

Broken · base 5,000 ft AGL · ~5–7 oktas

BKN020

Broken · base 2,000 ft AGL · ~5–7 oktas

FEW012

Few · base 1,200 ft AGL · ~1–2 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER5,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL11,721 ft VFR MARGIN-1,000 ft

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

20:43ZSUNRISE

02:25ZSOLAR NOON

08:07ZSUNSET

08:33ZCIVIL END

CURRENT01:09Z DAYLIGHT REMAINING6h 58m VFR NIGHT BEGINS08:33Z (7h 24m) DAY LENGTH11h 23m

Waxing Crescent

ILLUMINATION3% MOONRISE22:05Z MOONSET09:28Z FULL MOON IN13 days

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

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