// Station · 29m ago

RJCC

New Chitose Airport

CAT MVFR

WIND 150° / 7 kt

VIS 5.0 SM

CEILING BKN at 4,000 ft

T/Td 21°C / 20°C

ALTIM 29.80 inHg

ELEV 82 FT

42.7747°N / 141.6904°E

LOCATION · Sapporo, JP

WIND

150°7 kt

RJCC · 82 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

150°/7

VIS

5.0 SM

CEILING

BKN040

LAYERS

FEW003 BKN040

T / Td

21 / 20

ALTIM

29.80"

// Interpretation

MVFR — visibility 5.0 SM. Light winds at 150°/7 kt, visibility 5.0 SM, a few at 300 ft, and broken at 4,000 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 RJCC 111330Z 15007KT 8000 FEW003 BKN040 21/20 Q1009

RJCC · day 11 at 13:30 UTC · wind from 150° at 7 kt · visibility 5.0 SM · a few clouds at 300 ft · broken layer at 4,000 ft · temp 21°C / dewpoint 20°C · altimeter 29.80" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 7 kt

2 USABLE · 2 AVOID

WIND

150°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

19R★ HDG 190° H5 kt X4 kt LEFT PRIMARY · 9,843'

19L HDG 190° H5 kt X4 kt LEFT 9,843'

TAILWIND ENDS · AVOID 2 ends

01L HDG 010° T5 kt X4 kt RIGHT —

01R HDG 010° T5 kt X4 kt RIGHT —

Pattern altitude: 1,082 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

+918 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +400 FT

24h AGO18h12h6hNOW

FIELD ELEV82 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT206 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN040

Broken · base 4,000 ft AGL · ~5–7 oktas

FEW003

Few · base 300 ft AGL · ~1–2 oktas

// Computed

CEILING4,000 ft AGL HIGHEST LAYER4,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL10,688 ft VFR MARGIN+1,000 ft

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

19:05ZSUNRISE

02:39ZSOLAR NOON

10:13ZSUNSET

10:48ZCIVIL END

CURRENT13:59Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS10:48Z (past) DAY LENGTH15h 07m

Waning Crescent

ILLUMINATION11% MOONRISE16:29Z MOONSET07:37Z FULL MOON IN18 days

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

RJEC

VFR → MVFR 22Z

Asahikawa Airport · Higashikagura

WIND: 170° / 7 kt
VIS: 6+ SM
CEILING: OVC060
DIST: 63 NM NE
AGE: 59m ago

RJCH

LIFR → MVFR 00Z

Hakodate Airport · Hakodate

WIND: 230° / 3 kt
VIS: 0.31 SM
CEILING: CLR
DIST: 72 NM SW
AGE: 59m ago

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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