// Station · 1h 52m ago · STALE

RJOY

Yao Airport

CAT VFR

WIND 040° / 3 kt

VIS 6+ SM

CEILING BKN at 6,000 ft

T/Td 23°C / 20°C

ALTIM 29.71 inHg

WX VCSH

ELEV 39 FT

34.5963°N / 135.6030°E

LOCATION · Yao, JP

WIND

040°3 kt

RJOY · 39 FT

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

METRIC

NOW · 10Z

+6H

+12H

+18H

WIND

040°/3

VIS

6+ SM

CEILING

BKN060

LAYERS

FEW008 BKN060 BKN100

T / Td

23 / 20

ALTIM

29.71"

// Interpretation

VFR — ceiling 6,000 ft. Light winds at 040°/3 kt, visibility 6+ SM, a few at 800 ft, broken at 6,000 ft, and broken at 10,000 ft. Reported weather: VCSH. 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 RJOY 271000Z 04003KT 9999 VCSH FEW008 BKN060 BKN100 23/20 Q1006

RJOY · day 27 at 10:00 UTC · wind from 040° at 3 kt · visibility 6+ SM · a few clouds at 800 ft · broken layer at 6,000 ft · broken layer at 10,000 ft · temp 23°C / dewpoint 20°C · altimeter 29.71" Hg · weather: VCSH

// Runway analysis · computed from current METAR wind

Wind 040° @ 3 kt

ALL USABLE · WINDS CALM

WIND

040°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

09 HDG 090° —CALM —— 4,890'

27 HDG 270° —CALM —— 4,890'

13 HDG 130° —CALM —— 3,940'

31 HDG 310° —CALM —— 3,940'

Pattern altitude: 1,039 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

1,300FT

+1,261 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV39 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT252 FT

// Performance equivalent Operating here right now feels like operating at RJOA (Hiroshima Airport, Hiroshima, elev 1,088 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+13%

-9%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+9%

-6%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

BKN060

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

FEW008

Few · base 800 ft AGL · ~1–2 oktas

// Computed

CEILING6,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL11,655 ft VFR MARGIN+3,000 ft

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

19:49ZSUNRISE

02:56ZSOLAR NOON

10:02ZSUNSET

10:31ZCIVIL END

CURRENT11:52Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS10:31Z (past) DAY LENGTH14h 13m

Waxing Gibbous

ILLUMINATION83% MOONRISE04:34Z MOONSET18:47Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

RJOO

VFR → MVFR 12Z

Osaka Itami International Airport · Osaka

WIND: 070° / 9 kt
VIS: 6+ SM
CEILING: BKN045
DIST: 14 NM NW
AGE: 52m ago

RJBE

VFR

Kobe Airport · Kobe

WIND: 050° / 12 kt
VIS: 6+ SM
CEILING: BKN050
DIST: 19 NM W
AGE: 52m ago

RJBB

VFR

Kansai International Airport · Osaka

WIND: VRB / 2 kt
VIS: 6+ SM
CEILING: BKN040
DIST: 20 NM SW
AGE: 22m ago

RJOS

MVFR

Tokushima Awaodori Airport / JMSDF Tokushima Air Base · Tokushima

WIND: 140° / 6 kt
VIS: 3.1 SM
CEILING: BKN012
DIST: 57 NM SW
AGE: 52m ago

RJBD

VFR

Nanki Shirahama Airport · Shirahama

WIND: 120° / 8 kt
VIS: 6+ SM
CEILING: BKN032
DIST: 57 NM S
AGE: 52m ago

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

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