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// STALE Observation is 5h 2m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 5h 2m ago · STALE

NVVW

Whitegrass Airport
CAT VFR
WIND 180° / 5 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 18°C / 16°C
ALTIM 29.97 inHg
ELEV 19 FT
19.4551°S / 169.2240°E
LOCATION · Tanna Island, VU
N
WIND
180°5 kt
NVVW · 19 FT
© OSM · CartoDB

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

METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
180°/5
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT020
 
 
 
T / Td
18 / 16
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR with light winds at 180°/5 kt. Visibility 6+ SM and scattered at 2,000 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 110900Z 18005KT 9999 SCT020 18/16 Q1015

NVVW · day 11 at 09:00 UTC · wind from 180° at 5 kt · visibility 6+ SM · scattered layer at 2,000 ft · temp 18°C / dewpoint 16°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 180° @ 5 kt
1 USABLE · 1 AVOID
N
WIND
180°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
15 HDG 150° H4 kt X2 kt RIGHT PRIMARY · 4,035'
TAILWIND ENDS · AVOID 1 ends
33 HDG 330° T4 kt X2 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 +3°C

300FT
+281 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
1,300 700 100
24h AGO18h12h6hNOW
FIELD ELEV19 FT OAT+18°C ISA DELTA+3°C PRESSURE ALT-34 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
+3%
-2%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+2%
-1%
Light jetCJ4, Phenom 300, M2
+1%
-1%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 9,110 FT SCT020 NVVW ELEV · 19 FT
// Reported layers (highest → lowest)
SCT020
Scattered · base 2,000 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER2,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL9,110 ft VFR MARGINunlimited

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

19:18ZSUNRISE
00:49ZSOLAR NOON
06:20ZSUNSET
06:44ZCIVIL END
CURRENT14:02Z DAYLIGHT REMAINING16h 18m VFR NIGHT BEGINS06:44Z (16h 42m) DAY LENGTH11h 01m
Waning Crescent
ILLUMINATION11% MOONRISE16:42Z MOONSET03:44Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 150 NM (sparse area)

// Area map · 120 NM radius · CartoDB Dark Matter + aeronautical overlay

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