// Station · 5m ago

NTAT

Tubuai Airport

CAT VFR

WIND 160° / 15 kt

VIS 6+ SM

CEILING BKN at 3,200 ft

T/Td 23°C / 15°C

ALTIM 30.09 inHg

ELEV 7 FT

23.3654°S / 149.5240°W

WIND

160°15 kt

NTAT · 7 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

160°/15

VIS

6+ SM

CEILING

BKN032

LAYERS

FEW024 BKN032 BKN038

T / Td

23 / 15

ALTIM

30.09"

// Interpretation

VFR — ceiling 3,200 ft. Brisk winds at 160°/15 kt, visibility 6+ SM, a few at 2,400 ft, broken at 3,200 ft, and broken at 3,800 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 NTAT 130100Z AUTO 16015KT 9999 FEW024 BKN032 BKN038 23/15 Q1019

NTAT · day 13 at 01:00 UTC · wind from 160° at 15 kt · visibility 6+ SM · a few clouds at 2,400 ft · broken layer at 3,200 ft · broken layer at 3,800 ft · temp 23°C / dewpoint 15°C · altimeter 30.09" Hg

// Runway analysis · computed from current METAR wind

Wind 160° @ 15 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

160°15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

21★ HDG 210° H10 kt X11 kt LEFT PRIMARY · 4,921'

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T10 kt X11 kt RIGHT —

Pattern altitude: 1,007 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 +8°C

800FT

+793 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV7 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT-164 FT

// Performance equivalent Your aircraft will perform as if it's at a field 800 ft high on a standard ISA day — that's +793 ft above NTAT's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+8%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+3%

-2%

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)

BKN038

Broken · base 3,800 ft AGL · ~5–7 oktas

BKN032

Broken · base 3,200 ft AGL · ~5–7 oktas

FEW024

Few · base 2,400 ft AGL · ~1–2 oktas

// Computed

CEILING3,200 ft AGL HIGHEST LAYER3,800 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL11,623 ft VFR MARGIN+200 ft

// Sun & Moon · times in Z · bar = local day (UTC-10)

15:28ZSUNRISE

21:45ZSOLAR NOON

04:02ZSUNSET

04:25ZCIVIL END

CURRENT01:05Z DAYLIGHT REMAINING2h 57m VFR NIGHT BEGINS04:25Z (3h 20m) DAY LENGTH12h 33m

Waxing Crescent

ILLUMINATION3% MOONRISE16:49Z MOONSET05:23Z FULL MOON IN13 days

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

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