// Station · 18m ago

NCPY

Tongareva Airport

CAT VFR

WIND 080° / 8 kt

VIS 10+ SM

CEILING BKN at 18,000 ft

T/Td 30°C / 25°C

ALTIM 29.77 inHg

ELEV 8 FT

9.0144°S / 158.0324°W

LOCATION · Penrhyn Island, CK

WIND

080°8 kt

NCPY · 8 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

080°/8

VIS

10+ SM

CEILING

BKN180

LAYERS

FEW140 BKN180

T / Td

30 / 25

ALTIM

29.77"

// Interpretation

VFR — ceiling 18,000 ft. Moderate winds at 080°/8 kt, visibility better than 10 statute miles, a few at 14,000 ft, and broken at 18,000 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 NCPY 290100Z AUTO 08008KT 20KM FEW140/// BKN180/// 30/25 Q1008

NCPY · day 29 at 01:00 UTC · wind from 080° at 8 kt · visibility 10+ SM · a few clouds at 14,000 ft · broken layer at 18,000 ft · temp 30°C / dewpoint 25°C · altimeter 29.77" Hg

// Runway analysis · computed from current METAR wind

Wind 080° @ 8 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

080°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H4 kt X7 kt LEFT PRIMARY · 7,077'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T4 kt X7 kt RIGHT —

Pattern altitude: 1,008 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 +15°C

2,000FT

+1,992 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV8 FT OAT+30°C ISA DELTA+15°C PRESSURE ALT162 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,000 ft high on a standard ISA day — that's +1,992 ft above NCPY's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+20%

-14%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+14%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN180

Broken · base 18,000 ft AGL · ~5–7 oktas

FEW140

Few · base 14,000 ft AGL · ~1–2 oktas

// Computed

CEILING18,000 ft AGL HIGHEST LAYER18,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL15,160 ft VFR MARGIN+15,000 ft

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

16:37ZSUNRISE

22:34ZSOLAR NOON

04:32ZSUNSET

04:53ZCIVIL END

CURRENT01:18Z DAYLIGHT REMAINING3h 13m VFR NIGHT BEGINS04:53Z (3h 34m) DAY LENGTH11h 54m

Waning Gibbous

ILLUMINATION99% MOONRISE05:24Z MOONSET17:19Z FULL MOON IN29 days

// Nearest reporting stations

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

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