// Station · 32m ago

NCMH

Manihiki Island Airport

CAT VFR

WIND 140° / 6 kt

VIS 5.6 SM

CEILING OVC at 4,400 ft

T/Td 26°C / 25°C

ALTIM 29.83 inHg

WX -RA

ELEV 11 FT

10.3809°S / 160.9994°W

LOCATION · Manihiki Island, CK

WIND

140°6 kt

NCMH · 11 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

140°/6

VIS

5.6 SM

CEILING

OVC044

LAYERS

FEW015 SCT032 OVC044

T / Td

26 / 25

ALTIM

29.83"

// Interpretation

VFR — ceiling 4,400 ft. Light winds at 140°/6 kt, visibility 5.6 SM, a few at 1,500 ft, scattered at 3,200 ft, and overcast at 4,400 ft. Reported weather: light rain (-RA). 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 NCMH 251630Z AUTO 14006KT 9000 -RA FEW015/// SCT032/// OVC044/// 26/25 Q1010

NCMH · day 25 at 16:30 UTC · wind from 140° at 6 kt · visibility 5.6 SM · a few clouds at 1,500 ft · scattered layer at 3,200 ft · overcast at 4,400 ft · temp 26°C / dewpoint 25°C · altimeter 29.83" Hg · weather: light rain (-RA)

// Runway analysis · computed from current METAR wind

Wind 140° @ 6 kt

1 USABLE · 1 AVOID

WIND

140°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H6 kt X0 kt — PRIMARY · 3,937'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T6 kt X0 kt — —

Pattern altitude: 1,011 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 +11°C

1,500FT

+1,489 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV11 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT106 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,500 ft high on a standard ISA day — that's +1,489 ft above NCMH's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-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. 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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC044

Overcast · base 4,400 ft AGL · 8 oktas

SCT032

Scattered · base 3,200 ft AGL · ~3–4 oktas

FEW015

Few · base 1,500 ft AGL · ~1–2 oktas

// Computed

CEILING4,400 ft AGL HIGHEST LAYER4,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,142 ft VFR MARGIN+1,400 ft

// Sun & Moon · times in Z · bar = local day (UTC-11)

16:52ZSUNRISE

22:47ZSOLAR NOON

04:43ZSUNSET

05:04ZCIVIL END

CURRENT17:02Z DAYLIGHT REMAINING11h 40m VFR NIGHT BEGINS05:04Z (12h 01m) DAY LENGTH11h 51m

Waxing Gibbous

ILLUMINATION94% MOONRISE02:56Z MOONSET14:47Z FULL MOON IN2 days

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

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