// Station · 7h 18m ago · STALE · HARD STALE

NVVW

Whitegrass Airport

CAT VFR

WIND VRB / 2 kt

VIS 6+ SM

CEILING BKN at 4,000 ft

T/Td 21°C / 19°C

ALTIM 30.15 inHg

ELEV 19 FT

19.4551°S / 169.2240°E

LOCATION · Tanna Island, VU

WIND

VRB2 kt

NVVW · 19 FT

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

METRIC

NOW · 09Z

+6H

+12H

+18H

WIND

VRB/2

VIS

6+ SM

CEILING

BKN040

LAYERS

SCT020 BKN040

T / Td

21 / 19

ALTIM

30.15"

// Interpretation

VFR — ceiling 4,000 ft. Light winds at variable/2 kt, visibility 6+ SM, scattered at 2,000 ft, and broken at 4,000 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 NVVW 250900Z VRB02KT 9999 SCT020 BKN040 21/19 Q1021

NVVW · day 25 at 09:00 UTC · wind variable at 2 kt · visibility 6+ SM · scattered layer at 2,000 ft · broken layer at 4,000 ft · temp 21°C / dewpoint 19°C · altimeter 30.15" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

15 HDG 150° —CALM —— 4,035'

33 HDG 330° —CALM —— 4,035'

Pattern altitude: 1,019 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 +6°C

500FT

+481 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV19 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT-211 FT

// Performance equivalent Operating here right now feels like operating at NVVF (Futuna Airport, Futuna Island, elev 95 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+5%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN040

Broken · base 4,000 ft AGL · ~5–7 oktas

SCT020

Scattered · base 2,000 ft AGL · ~3–4 oktas

// Computed

CEILING4,000 ft AGL HIGHEST LAYER4,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL10,625 ft VFR MARGIN+1,000 ft

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

18:58ZSUNRISE

00:46ZSOLAR NOON

06:35ZSUNSET

06:57ZCIVIL END

CURRENT16:18Z DAYLIGHT REMAINING14h 16m VFR NIGHT BEGINS06:57Z (14h 38m) DAY LENGTH11h 36m

Waxing Gibbous

ILLUMINATION94% MOONRISE05:00Z MOONSET16:37Z FULL MOON IN2 days

// Nearest reporting stations

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

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