// Station · 1h 3m ago · STALE

CYHK

Gjoa Haven Airport

CAT VFR

WIND 360° / 9 kt

VIS 10+ SM

CEILING BKN at 21,000 ft

T/Td 10°C / 8°C

ALTIM 30.03 inHg

ELEV 152 FT

68.6356°N / 95.8497°W

LOCATION · Gjoa Haven, CA

WIND

360°9 kt

CYHK · 152 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

360°/9

VIS

10+ SM

CEILING

BKN210

LAYERS

FEW030 SCT080 BKN210

T / Td

10 / 8

ALTIM

30.03"

// Interpretation

VFR — ceiling 21,000 ft. Moderate winds at 360°/9 kt, visibility better than 10 statute miles, a few at 3,000 ft, scattered at 8,000 ft, and broken at 21,000 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 CYHK 251600Z 36009KT 15SM FEW030 SCT080 BKN210 10/08 A3003 RMK SC1AC2CI2 WND EST SLP173

CYHK · day 25 at 16:00 UTC · wind from 360° at 9 kt · visibility 10+ SM · a few clouds at 3,000 ft · scattered layer at 8,000 ft · broken layer at 21,000 ft · temp 10°C / dewpoint 8°C · altimeter 30.03" Hg · sea-level pressure 1017.3 mb

// Runway analysis · computed from current METAR wind

Wind 360° @ 9 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

360°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

31T★ HDG 310° H6 kt X7 kt RIGHT PRIMARY · 4,400'

TAILWIND ENDS · AVOID 1 ends

13T HDG 130° T6 kt X7 kt LEFT —

Pattern altitude: 1,152 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

-600FT

-752 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV152 FT OAT+10°C ISA DELTA-5°C PRESSURE ALT40 FT

// Performance equivalent Your aircraft will perform as if it's at a field -600 ft high on a standard ISA day — that's -752 ft above CYHK'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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN210

Broken · base 21,000 ft AGL · ~5–7 oktas

SCT080

Scattered · base 8,000 ft AGL · ~3–4 oktas

FEW030

Few · base 3,000 ft AGL · ~1–2 oktas

// Computed

CEILING21,000 ft AGL HIGHEST LAYER21,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL5,203 ft VFR MARGIN+18,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-6)

10:20ZSUNRISE

18:27ZSOLAR NOON

02:33ZSUNSET

03:50ZCIVIL END

CURRENT17:03Z DAYLIGHT REMAINING9h 29m VFR NIGHT BEGINS03:50Z (10h 46m) DAY LENGTH16h 13m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:24Z MOONSET12:37Z 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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