// Station · 9h 19m ago · STALE · HARD STALE

BIGJ

Gjögur Airport

CAT VFR

WIND 040° / 5 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 8°C / 5°C

ALTIM 29.94 inHg

ELEV 83 FT

65.9953°N / 21.3269°W

LOCATION · Gjögur, IS

WIND

040°5 kt

BIGJ · 83 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

040°/5

VIS

6+ SM

CEILING

—

LAYERS

SCT023

T / Td

8 / 5

ALTIM

29.94"

// Interpretation

VFR with light winds at 040°/5 kt. Visibility 6+ SM and scattered at 2,300 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 BIGJ 281600Z 04005KT 9999 SCT023 08/05 Q1014

BIGJ · day 28 at 16:00 UTC · wind from 040° at 5 kt · visibility 6+ SM · scattered layer at 2,300 ft · temp 8°C / dewpoint 5°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 5 kt

1 USABLE · 1 AVOID

WIND

040°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

05★ HDG 050° H5 kt X1 kt LEFT PRIMARY · 3,150'

TAILWIND ENDS · AVOID 1 ends

23 HDG 230° T5 kt X1 kt RIGHT —

Pattern altitude: 1,083 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 -7°C

-800FT

-883 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV83 FT OAT+8°C ISA DELTA-7°C PRESSURE ALT60 FT

// Performance equivalent Your aircraft will perform as if it's at a field -800 ft high on a standard ISA day — that's -883 ft above BIGJ's actual elevation.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT023

Scattered · base 2,300 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER2,300 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL4,123 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-1)

05:51ZSUNRISE

13:27ZSOLAR NOON

21:04ZSUNSET

22:04ZCIVIL END

CURRENT01:19Z DAYLIGHT REMAINING19h 44m VFR NIGHT BEGINS22:04Z (20h 45m) DAY LENGTH15h 12m

Waning Gibbous

ILLUMINATION99% MOONRISE18:38Z MOONSET09:51Z FULL MOON IN29 days

// Nearest reporting stations

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

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