// Station · 22m ago

NCMH

Manihiki Island Airport

CAT —

WIND CALM

VIS —

CEILING —

T/Td 25°C / 24°C

ALTIM 29.77 inHg

ELEV 11 FT

10.3809°S / 160.9994°W

LOCATION · Manihiki Island, CK

WIND

000°0 kt

NCMH · 11 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

CALM

VIS

—

CEILING

CLR

LAYERS

—

T / Td

25 / 24

ALTIM

29.77"

// Interpretation

VFR with winds calm. Visibility unreported 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 NCMH 111400Z 00000KT //// ////// 25/24 Q1008

NCMH · day 11 at 14:00 UTC · winds calm · temp 25°C / dewpoint 24°C · altimeter 29.77" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

14 HDG 140° —CALM —— 3,937'

32 HDG 320° —CALM —— 3,937'

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 +10°C

1,400FT

+1,389 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV11 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT165 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,400 ft high on a standard ISA day — that's +1,389 ft above NCMH's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+14%

-10%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+10%

-6%

Light jetCJ4, Phenom 300, M2

+6%

-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 · 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 LEVEL12,637 ft VFR MARGINunlimited

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

17:03ZSUNRISE

22:50ZSOLAR NOON

04:37ZSUNSET

04:59ZCIVIL END

CURRENT14:22Z DAYLIGHT REMAINING14h 14m VFR NIGHT BEGINS04:59Z (14h 36m) DAY LENGTH11h 33m

Waning Crescent

ILLUMINATION11% MOONRISE14:28Z MOONSET02:01Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 200 NM (very sparse)

NCPY

VFR

Tongareva Airport · Penrhyn Island

WIND: 070° / 6 kt
VIS: 6+ SM
CEILING: FEW023
DIST: 194 NM NE
AGE: 22m ago

// Area map · 200 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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