// Station · 7h 20m ago · STALE · HARD STALE

BIGR

Grímsey Airport

CAT VFR

WIND 070° / 12 kt

VIS 6+ SM

CEILING CLR

T/Td 10°C / 7°C

ALTIM 29.91 inHg

ELEV 66 FT

66.5458°N / 18.0173°W

LOCATION · Grímsey/Sandvík, IS

WIND

070°12 kt

BIGR · 66 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

070°/12

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

10 / 7

ALTIM

29.91"

// Interpretation

VFR with moderate winds at 070°/12 kt. Visibility 6+ SM and no reported cloud layers. 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 BIGR 181600Z 07012KT CAVOK 10/07 Q1013

BIGR · day 18 at 16:00 UTC · wind from 070° at 12 kt · visibility 6+ SM · temp 10°C / dewpoint 7°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 12 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

070°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

35★ HDG 350° H2 kt X12 kt RIGHT PRIMARY · 3,399'

TAILWIND ENDS · AVOID 1 ends

17 HDG 170° T2 kt X12 kt LEFT —

Pattern altitude: 1,066 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 -5°C

-500FT

-566 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV66 FT OAT+10°C ISA DELTA-5°C PRESSURE ALT72 FT

// Performance equivalent Your aircraft will perform as if it's at a field -500 ft high on a standard ISA day — that's -566 ft above BIGR'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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL5,117 ft VFR MARGINunlimited

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

04:56ZSUNRISE

13:17ZSOLAR NOON

21:37ZSUNSET

22:52ZCIVIL END

CURRENT23:20Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:52Z (past) DAY LENGTH16h 40m

Waxing Crescent

ILLUMINATION32% MOONRISE09:32Z MOONSET02:13Z FULL MOON IN9 days

// Nearest reporting stations

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

AIRSPACE

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