// Station · 11h 11m ago · STALE · HARD STALE

RJEB

Monbetsu Airport

CAT IFR

WIND 060° / 3 kt

VIS 2.5 SM

CEILING BKN at 2,000 ft

T/Td 16°C / 16°C

ALTIM 29.77 inHg

WX -SHRA BR

ELEV 80 FT

44.3039°N / 143.4040°E

LOCATION · Monbetsu, JP

WIND

060°3 kt

RJEB · 80 FT

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

METRIC

NOW · 07Z

+6H

+12H

+18H

WIND

060°/3

VIS

2.5 SM

CEILING

BKN020

LAYERS

FEW005 SCT012 BKN020

T / Td

16 / 16

ALTIM

29.77"

// Interpretation

IFR conditions — visibility 2.5 SM. Light winds at 060°/3 kt, visibility 2.5 SM, a few at 500 ft, scattered at 1,200 ft, and broken at 2,000 ft. Reported weather: light rain showers and mist (-SHRA BR). Mist is water droplets thinning visibility to between 5/8 and 6 SM — the moist, lighter cousin of fog. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR RJEB 250700Z 06003KT 020V120 4000 -SHRA BR FEW005 SCT012 BKN020 16/16 Q1008

RJEB · day 25 at 07:00 UTC · wind from 060° at 3 kt · visibility 2.5 SM · a few clouds at 500 ft · scattered layer at 1,200 ft · broken layer at 2,000 ft · temp 16°C / dewpoint 16°C · altimeter 29.77" Hg · weather: light rain showers and mist (-SHRA BR)

// Runway analysis · computed from current METAR wind

Wind 060° @ 3 kt

ALL USABLE · WINDS CALM

WIND

060°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

14 HDG 140° —CALM —— 6,562'

32 HDG 320° —CALM —— 6,562'

Pattern altitude: 1,080 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 +1°C

400FT

+320 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV80 FT OAT+16°C ISA DELTA+1°C PRESSURE ALT234 FT

// Performance equivalent Operating here right now feels like operating at RJCA (JGSDF Camp Asahikawa Airfield, Asahikawa, elev 377 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+4%

-3%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+3%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-1%

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)

BKN020

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

SCT012

Scattered · base 1,200 ft AGL · ~3–4 oktas

FEW005

Few · base 500 ft AGL · ~1–2 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER2,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL8,161 ft VFR MARGIN-1,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+10)

19:42ZSUNRISE

02:29ZSOLAR NOON

09:16ZSUNSET

09:47ZCIVIL END

CURRENT18:11Z DAYLIGHT REMAINING15h 04m VFR NIGHT BEGINS09:47Z (15h 35m) DAY LENGTH13h 33m

Waxing Gibbous

ILLUMINATION94% MOONRISE05:49Z MOONSET19:23Z FULL MOON IN2 days

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

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