// Station · 9m ago

RJOH

Yonago Kitaro Airport / JASDF Miho Air Base

CAT VFR

WIND 210° / 3 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 22°C / 16°C

ALTIM 29.94 inHg

ELEV 20 FT

35.4922°N / 133.2360°E

LOCATION · Yonago, JP

WIND

210°3 kt

RJOH · 20 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

210°/3

VIS

6+ SM

CEILING

—

LAYERS

FEW120

T / Td

22 / 16

ALTIM

29.94"

// Interpretation

VFR with light winds at 210°/3 kt. Visibility 6+ SM and a few at 12,000 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 RJOH 130100Z 21003KT 150V260 9999 FEW120 22/16 Q1014

RJOH · day 13 at 01:00 UTC · wind from 210° at 3 kt · visibility 6+ SM · a few clouds at 12,000 ft · temp 22°C / dewpoint 16°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 210° @ 3 kt

ALL USABLE · WINDS CALM

WIND

210°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

07 HDG 070° —CALM —— 8,202'

25 HDG 250° —CALM —— 8,202'

Pattern altitude: 1,020 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 +7°C

800FT

+780 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV20 FT OAT+22°C ISA DELTA+7°C PRESSURE ALT-3 FT

// Performance equivalent Operating here right now feels like operating at RJOB (Okayama Momotaro Airport, Okayama, elev 806 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+8%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+3%

-2%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW120

Few · base 12,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER12,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,131 ft VFR MARGINunlimited

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

21:12ZSUNRISE

02:54ZSOLAR NOON

08:36ZSUNSET

09:02ZCIVIL END

CURRENT01:09Z DAYLIGHT REMAINING7h 27m VFR NIGHT BEGINS09:02Z (7h 53m) DAY LENGTH11h 24m

Waxing Crescent

ILLUMINATION3% MOONRISE22:33Z MOONSET09:58Z FULL MOON IN13 days

// Nearest reporting stations

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

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