// Station · 1d ago · STALE · HARD STALE

CYHI

Ulukhaktok Holman Airport

CAT MVFR

WIND 310° / 8 kt

VIS 10+ SM

CEILING OVC at 1,400 ft

T/Td 0°C / -2°C

ALTIM 29.51 inHg

ELEV 117 FT

70.7628°N / 117.8060°W

LOCATION · Ulukhaktok, CA

WIND

310°8 kt

CYHI · 117 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

310°/8

VIS

10+ SM

CEILING

OVC014

LAYERS

OVC014

T / Td

0 / -2

ALTIM

29.51"

// Interpretation

MVFR — ceiling 1,400 ft. Moderate winds at 310°/8 kt, visibility better than 10 statute miles, overcast at 1,400 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR CYHI 111900Z 31008KT 15SM OVC014 M00/M02 A2951 RMK NS8 LAST STFD OBS/NXT OCT 13/1400Z SLP997

CYHI · day 11 at 19:00 UTC · wind from 310° at 8 kt · visibility 10+ SM · overcast at 1,400 ft · temp 0°C / dewpoint -2°C · altimeter 29.51" Hg · sea-level pressure 999.7 mb

// Runway analysis · computed from current METAR wind

Wind 310° @ 8 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

310°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

24T★ HDG 240° H3 kt X8 kt RIGHT PRIMARY · 4,300'

TAILWIND ENDS · AVOID 1 ends

06T HDG 060° T3 kt X8 kt LEFT —

Pattern altitude: 1,117 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 -14°C

-1,200FT

-1,317 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV117 FT OAT+0°C ISA DELTA-14°C PRESSURE ALT525 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 -1,317 ft above CYHI'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)

OVC014

Overcast · base 1,400 ft AGL · 8 oktas

// Computed

CEILING1,400 ft AGL HIGHEST LAYER1,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL117 ft VFR MARGIN-1,600 ft

// Sun & Moon · times in Z · bar = local day (UTC-8)

14:56ZSUNRISE

19:38ZSOLAR NOON

00:21ZSUNSET

01:26ZCIVIL END

CURRENT01:09Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:26Z (16m) DAY LENGTH9h 25m

Waxing Crescent

ILLUMINATION3% MOONRISE16:17Z MOONSET01:42Z 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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