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// STALE Observation is 3h 50m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 3h 50m ago · STALE

RJEB

Monbetsu Airport
CAT VFR
WIND 100° / 8 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 18°C / 14°C
ALTIM 29.83 inHg
ELEV 80 FT
44.3039°N / 143.4040°E
LOCATION · Monbetsu, JP
N
WIND
100°8 kt
RJEB · 80 FT
© OSM · CartoDB

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

METRIC
NOW · 07Z
+6H
+12H
+18H
WIND
100°/8
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW020
 
 
 
T / Td
18 / 14
 
 
 
ALTIM
29.83"
 
 
 

// Interpretation

VFR with moderate winds at 100°/8 kt. Visibility 6+ SM and a few at 2,000 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 RJEB 270700Z 10008KT 9999 FEW020 BKN/// 18/14 Q1010

RJEB · day 27 at 07:00 UTC · wind from 100° at 8 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 18°C / dewpoint 14°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 100° @ 8 kt
1 USABLE · 1 AVOID
N
WIND
100°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
14 HDG 140° H6 kt X5 kt LEFT PRIMARY · 6,562'
TAILWIND ENDS · AVOID 1 ends
32 HDG 320° T6 kt X5 kt RIGHT
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 +3°C

600FT
+520 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
900 600 300
24h AGO18h12h6hNOW
FIELD ELEV80 FT OAT+18°C ISA DELTA+3°C PRESSURE ALT175 FT
// Performance equivalent Operating here right now feels like operating at RJCB (Tokachi-Obihiro Airport, Obihiro, elev 505 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+6%
-4%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+4%
-3%
Light jetCJ4, Phenom 300, M2
+2%
-2%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 9,171 FT FEW020 RJEB ELEV · 80 FT
// Reported layers (highest → lowest)
FEW020
Few · base 2,000 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER2,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL9,171 ft VFR MARGINunlimited

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

18:50ZSUNRISE
02:24ZSOLAR NOON
09:59ZSUNSET
10:34ZCIVIL END
CURRENT10:50Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS10:34Z (past) DAY LENGTH15h 08m
Waxing Gibbous
ILLUMINATION83% MOONRISE03:33Z MOONSET18:42Z FULL MOON IN4 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

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

© OpenStreetMap · CartoDB · OpenAIP
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