// Station · 3h 4m ago · STALE

RJCO

Sapporo Okadama Airport

CAT VFR

WIND 150° / 8 kt

VIS 6+ SM

CEILING BKN at 7,000 ft

T/Td 23°C / 22°C

ALTIM 29.77 inHg

ELEV 25 FT

43.1174°N / 141.3813°E

LOCATION · Sapporo, JP

WIND

150°8 kt

RJCO · 25 FT

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

METRIC

NOW · 11Z

+6H

+12H

+18H

WIND

150°/8

VIS

6+ SM

CEILING

BKN070

LAYERS

FEW030 BKN070

T / Td

23 / 22

ALTIM

29.77"

// Interpretation

VFR — ceiling 7,000 ft. Moderate winds at 150°/8 kt, visibility 6+ SM, a few at 3,000 ft, and broken at 7,000 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 RJCO 111100Z 15008KT 9999 FEW030 BKN070 23/22 Q1008

RJCO · day 11 at 11:00 UTC · wind from 150° at 8 kt · visibility 6+ SM · a few clouds at 3,000 ft · broken layer at 7,000 ft · temp 23°C / dewpoint 22°C · altimeter 29.77" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 8 kt

1 USABLE · 1 AVOID

WIND

150°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H8 kt X1 kt RIGHT PRIMARY · 4,920'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T8 kt X1 kt LEFT —

Pattern altitude: 1,025 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

1,200FT

+1,175 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +200 FT

24h AGO18h12h6hNOW

FIELD ELEV25 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT179 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

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN070

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

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING7,000 ft AGL HIGHEST LAYER7,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL11,641 ft VFR MARGIN+4,000 ft

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

19:05ZSUNRISE

02:40ZSOLAR NOON

10:16ZSUNSET

10:50ZCIVIL END

CURRENT14:04Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS10:50Z (past) DAY LENGTH15h 10m

Waning Crescent

ILLUMINATION11% MOONRISE16:29Z MOONSET07:39Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of RJCO.

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

AIRSPACE

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