// Station · 4h 5m ago · STALE

RJCB

Tokachi-Obihiro Airport

CAT VFR

WIND VRB / 2 kt

VIS 6+ SM

CEILING BKN at 6,000 ft

T/Td 22°C / 22°C

ALTIM 29.80 inHg

ELEV 505 FT

42.7333°N / 143.2170°E

LOCATION · Obihiro, JP

WIND

VRB2 kt

RJCB · 505 FT

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

METRIC

NOW · 11Z

+6H

+12H

+18H

WIND

VRB/2

VIS

6+ SM

CEILING

BKN060

LAYERS

FEW004 SCT010 BKN060

T / Td

22 / 22

ALTIM

29.80"

// Interpretation

VFR — ceiling 6,000 ft. Light winds at variable/2 kt, visibility 6+ SM, a few at 400 ft, scattered at 1,000 ft, and broken at 6,000 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 RJCB 111100Z VRB02KT 9999 FEW004 SCT010 BKN060 22/22 Q1009

RJCB · day 11 at 11:00 UTC · wind variable at 2 kt · visibility 6+ SM · a few clouds at 400 ft · scattered layer at 1,000 ft · broken layer at 6,000 ft · temp 22°C / dewpoint 22°C · altimeter 29.80" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

17 HDG 170° —CALM —— 8,202'

35 HDG 350° —CALM —— 8,202'

Pattern altitude: 1,505 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

1,600FT

+1,095 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV505 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT629 FT

// Performance equivalent Operating here right now feels like operating at RJSF (Fukushima Airport, Sukagawa, elev 1,221 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+16%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-5%

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)

BKN060

Broken · base 6,000 ft AGL · ~5–7 oktas

SCT010

Scattered · base 1,000 ft AGL · ~3–4 oktas

FEW004

Few · base 400 ft AGL · ~1–2 oktas

// Computed

CEILING6,000 ft AGL HIGHEST LAYER6,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL11,616 ft VFR MARGIN+3,000 ft

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

19:00ZSUNRISE

02:33ZSOLAR NOON

10:06ZSUNSET

10:41ZCIVIL END

CURRENT15:05Z DAYLIGHT REMAINING19h 01m VFR NIGHT BEGINS10:41Z (19h 35m) DAY LENGTH15h 06m

Waning Crescent

ILLUMINATION11% MOONRISE16:26Z MOONSET07:32Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 100 NM (sparse area)

RJCK

LIFR

Kushiro Airport · Kushiro

WIND: VRB / 2 kt
VIS: 1.1 SM
CEILING: BKN001
DIST: 47 NM NE
AGE: 1h 5m ago

RJEC

VFR

Asahikawa Airport · Higashikagura

WIND: 170° / 8 kt
VIS: 6+ SM
CEILING: BKN100
DIST: 66 NM NW
AGE: 1h 5m ago

RJCC

IFR

New Chitose Airport · Sapporo

WIND: 140° / 7 kt
VIS: 2.8 SM
CEILING: BKN005
DIST: 67 NM W
AGE: 35m ago

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

AIRSPACE

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