// Station · 57m ago

NCPY

Tongareva Airport

CAT MVFR

WIND 150° / 8 kt

VIS 6+ SM

CEILING BKN at 2,300 ft

T/Td 29°C / 24°C

ALTIM 29.83 inHg

ELEV 8 FT

9.0144°S / 158.0324°W

LOCATION · Penrhyn Island, CK

WIND

150°8 kt

NCPY · 8 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

150°/8

VIS

6+ SM

CEILING

BKN023

LAYERS

BKN023

T / Td

29 / 24

ALTIM

29.83"

// Interpretation

MVFR — ceiling 2,300 ft. Moderate winds at 150°/8 kt, visibility 6+ SM, broken at 2,300 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

METAR NCPY 142300Z 15008KT 9999 BKN023 29/24 Q1010

NCPY · day 14 at 23:00 UTC · wind from 150° at 8 kt · visibility 6+ SM · broken layer at 2,300 ft · temp 29°C / dewpoint 24°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 8 kt

1 USABLE · 1 AVOID

WIND

150°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H8 kt X1 kt RIGHT PRIMARY · 7,077'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T8 kt X1 kt LEFT —

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 +14°C

1,800FT

+1,792 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV8 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT103 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,800 ft high on a standard ISA day — that's +1,792 ft above NCPY's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN023

Broken · base 2,300 ft AGL · ~5–7 oktas

// Computed

CEILING2,300 ft AGL HIGHEST LAYER2,300 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL14,654 ft VFR MARGIN-700 ft

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

16:49ZSUNRISE

22:39ZSOLAR NOON

04:28ZSUNSET

04:50ZCIVIL END

CURRENT23:57Z DAYLIGHT REMAINING4h 30m VFR NIGHT BEGINS04:50Z (4h 53m) DAY LENGTH11h 38m

New Moon

ILLUMINATION0% MOONRISE16:59Z MOONSET04:38Z FULL MOON IN15 days

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

NCMH

—

Manihiki Island Airport · Manihiki Island

WIND: 140° / 3 kt
VIS: —
CEILING: CLR
DIST: 194 NM SW
AGE: 57m ago

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

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