// Station · 1h 0m ago · STALE

NVVW

Whitegrass Airport

CAT VFR

WIND 160° / 8 kt

VIS 6+ SM

CEILING BKN at 4,000 ft

T/Td 26°C / 21°C

ALTIM 30.03 inHg

ELEV 19 FT

19.4551°S / 169.2240°E

LOCATION · Tanna Island, VU

WIND

160°8 kt

NVVW · 19 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

160°/8

VIS

6+ SM

CEILING

BKN040

LAYERS

SCT020 BKN040

T / Td

26 / 21

ALTIM

30.03"

// Interpretation

VFR — ceiling 4,000 ft. Moderate winds at 160°/8 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 130100Z 16008KT 9999 SCT020 BKN040 26/21 Q1017

NVVW · day 13 at 01:00 UTC · wind from 160° at 8 kt · visibility 6+ SM · scattered layer at 2,000 ft · broken layer at 4,000 ft · temp 26°C / dewpoint 21°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 160° @ 8 kt

1 USABLE · 1 AVOID

WIND

160°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

15★ HDG 150° H8 kt X1 kt RIGHT PRIMARY · 4,035'

TAILWIND ENDS · AVOID 1 ends

33 HDG 330° T8 kt X1 kt LEFT —

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 +11°C

1,200FT

+1,181 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV19 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT-93 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,200 ft high on a standard ISA day — that's +1,181 ft above NVVW's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-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. 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 LEVEL13,150 ft VFR MARGIN+1,000 ft

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

18:16ZSUNRISE

00:30ZSOLAR NOON

06:44ZSUNSET

07:07ZCIVIL END

CURRENT02:00Z DAYLIGHT REMAINING4h 44m VFR NIGHT BEGINS07:07Z (5h 06m) DAY LENGTH12h 28m

Waxing Crescent

ILLUMINATION3% MOONRISE19:39Z MOONSET08:07Z FULL MOON IN13 days

// Nearest reporting stations

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

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