// Station · 21m ago

ROTM

Futenma Marine Corps Air Station

CAT MVFR

WIND 260° / 26 kt G40

VIS 7.0 SM

CEILING OVC at 1,500 ft

T/Td 27.2°C / 25.6°C

ALTIM 29.29 inHg

ELEV 247 FT

26.2743°N / 127.7560°E

WIND

260°26 kt

ROTM · 247 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

260°/26G40

VIS

7.0 SM

CEILING

OVC015

LAYERS

OVC015

T / Td

27 / 26

ALTIM

29.29"

// Interpretation

MVFR — ceiling 1,500 ft. Strong winds at 260°/26 kt, gusting 40, visibility 7.0 SM, overcast at 1,500 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

SPECI ROTM 251838Z AUTO 26026G40KT 7SM OVC015 27/26 A2929 RMK AO2 PK WND 26040/1837 T02720256 PWINO $

ROTM · day 25 at 18:38 UTC · wind from 260° at 26 kt, gusts to 40 kt · visibility 7.0 SM · overcast at 1,500 ft · temp 27°C / dewpoint 26°C · altimeter 29.29" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 260° @ 26 ktG40

1 USABLE · 1 AVOID

WIND

260°26G40 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

24★ HDG 240° H24 kt X9 kt RIGHT PRIMARY · 9,000'

TAILWIND ENDS · AVOID 1 ends

06 HDG 060° T24 kt X9 kt LEFT —

Pattern altitude: 1,247 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

2,500FT

+2,253 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV247 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT873 FT

// Performance equivalent Operating here right now feels like operating at RJAT (JGSDF Camp Fuji Heliport / Fuji Army Heliport, Gotenba, elev 2,271 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+25%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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)

OVC015

Overcast · base 1,500 ft AGL · 8 oktas

// Computed

CEILING1,500 ft AGL HIGHEST LAYER1,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,984 ft VFR MARGIN-1,500 ft

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

21:07ZSUNRISE

03:32ZSOLAR NOON

09:57ZSUNSET

10:21ZCIVIL END

CURRENT18:59Z DAYLIGHT REMAINING14h 58m VFR NIGHT BEGINS10:21Z (15h 22m) DAY LENGTH12h 49m

Waxing Gibbous

ILLUMINATION94% MOONRISE07:15Z MOONSET20:05Z 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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