// Station · 7h 17m ago · STALE · HARD STALE

RJEB

Monbetsu Airport

CAT LIFR

WIND 360° / 4 kt

VIS 0.99 SM

CEILING BKN at 2,000 ft

T/Td 21°C / 20°C

ALTIM 29.77 inHg

WX SHRA BR

ELEV 80 FT

44.3039°N / 143.4040°E

LOCATION · Monbetsu, JP

WIND

360°4 kt

RJEB · 80 FT

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

METRIC

NOW · 07Z

+6H

+12H

+18H

WIND

360°/4

VIS

0.99 SM

CEILING

BKN020

LAYERS

FEW002 SCT008 BKN020

T / Td

21 / 20

ALTIM

29.77"

// Interpretation

LIFR — visibility 0.99 SM. Light winds at 360°/4 kt, visibility 0.99 SM, a few at 200 ft, scattered at 800 ft, and broken at 2,000 ft. Reported weather: SHRA BR. Reported weather: SHRA BR. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR RJEB 110700Z 36004KT 330V050 1600 R32/0900VP2000U SHRA BR FEW002 SCT008 BKN020 21/20 Q1008

RJEB · day 11 at 07:00 UTC · wind from 360° at 4 kt · visibility 0.99 SM · a few clouds at 200 ft · scattered layer at 800 ft · broken layer at 2,000 ft · temp 21°C / dewpoint 20°C · altimeter 29.77" Hg · weather: SHRA BR

// Runway analysis · computed from current METAR wind

Wind 360° @ 4 kt

ALL USABLE · WINDS CALM

WIND

360°4 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 +6°C

1,000FT

+920 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -200 FT

24h AGO18h12h6hNOW

FIELD ELEV80 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT234 FT

// Performance equivalent Operating here right now feels like operating at RJEC (Asahikawa Airport, Higashikagura, elev 721 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.

// Cloud layers · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN020

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

SCT008

Scattered · base 800 ft AGL · ~3–4 oktas

FEW002

Few · base 200 ft AGL · ~1–2 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER2,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL10,686 ft VFR MARGIN-1,000 ft

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

18:54ZSUNRISE

02:33ZSOLAR NOON

10:11ZSUNSET

10:47ZCIVIL END

CURRENT14:17Z DAYLIGHT REMAINING19h 54m VFR NIGHT BEGINS10:47Z (20h 30m) DAY LENGTH15h 17m

Waning Crescent

ILLUMINATION11% MOONRISE16:18Z MOONSET07:35Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 100 NM (sparse area)

RJEC

VFR → MVFR 22Z

Asahikawa Airport · Higashikagura

WIND: 170° / 8 kt
VIS: 6+ SM
CEILING: BKN100
DIST: 56 NM SW
AGE: 17m ago

RJCK

LIFR → MVFR 12Z

Kushiro Airport · Kushiro

WIND: VRB / 2 kt
VIS: 1.1 SM
CEILING: BKN001
DIST: 83 NM SE
AGE: 17m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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