// Station · 17m ago

RJDC

Yamaguchi Ube Airport

CAT VFR

WIND 100° / 12 kt

VIS 6+ SM

CEILING CLR

T/Td 29°C / 26°C

ALTIM 29.83 inHg

ELEV 23 FT

33.9300°N / 131.2790°E

LOCATION · Ube, JP

WIND

100°12 kt

RJDC · 23 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

100°/12

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

29 / 26

ALTIM

29.83"

// Interpretation

VFR with moderate winds at 100°/12 kt. Visibility 6+ SM and no reported cloud layers. 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 RJDC 251600Z AUTO 10012KT 9999 NCD 29/26 Q1010

RJDC · day 25 at 16:00 UTC · wind from 100° at 12 kt · visibility 6+ SM · temp 29°C / dewpoint 26°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 100° @ 12 kt

1 USABLE · 1 AVOID

WIND

100°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

07★ HDG 070° H10 kt X6 kt RIGHT PRIMARY · 8,200'

TAILWIND ENDS · AVOID 1 ends

25 HDG 250° T10 kt X6 kt LEFT —

Pattern altitude: 1,023 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 +14°C

1,800FT

+1,777 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV23 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT118 FT

// Performance equivalent Operating here right now feels like operating at RJAF (Shinshu-Matsumoto Airport, Matsumoto, elev 2,182 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,669 ft VFR MARGINunlimited

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

20:45ZSUNRISE

03:18ZSOLAR NOON

09:51ZSUNSET

10:17ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING17h 34m VFR NIGHT BEGINS10:17Z (18h 00m) DAY LENGTH13h 06m

Waxing Gibbous

ILLUMINATION94% MOONRISE06:47Z MOONSET19:53Z FULL MOON IN2 days

// Nearest reporting stations

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

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