// Station · 18m ago

CYHI

Ulukhaktok Holman Airport

CAT VFR

WIND 230° / 3 kt

VIS 10+ SM

CEILING BKN at 10,000 ft

T/Td 11°C / 6°C

ALTIM 29.80 inHg

ELEV 117 FT

70.7628°N / 117.8060°W

LOCATION · Ulukhaktok, CA

WIND

230°3 kt

CYHI · 117 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

230°/3

VIS

10+ SM

CEILING

BKN100

LAYERS

BKN100 BKN160 BKN240

T / Td

11 / 6

ALTIM

29.80"

// Interpretation

VFR — ceiling 10,000 ft. Light winds at 230°/3 kt, visibility better than 10 statute miles, broken at 10,000 ft, broken at 16,000 ft, and broken at 24,000 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 CYHI 111500Z 23003KT 15SM BKN100 BKN160 BKN240 11/06 A2980 RMK AC5AS1CS1 SLP096

CYHI · day 11 at 15:00 UTC · wind from 230° at 3 kt · visibility 10+ SM · broken layer at 10,000 ft · broken layer at 16,000 ft · broken layer at 24,000 ft · temp 11°C / dewpoint 6°C · altimeter 29.80" Hg · sea-level pressure 1009.6 mb

// Runway analysis · computed from current METAR wind

Wind 230° @ 3 kt

ALL USABLE · WINDS CALM

WIND

230°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

06T HDG 060° —CALM —— 4,300'

24T HDG 240° —CALM —— 4,300'

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 -4°C

-200FT

-317 FT BELOW FIELD ELEV

FIELD ELEV117 FT OAT+11°C ISA DELTA-4°C PRESSURE ALT235 FT

// Performance equivalent Operating here right now feels like operating at CYPC (Paulatuk (Nora Aliqatchialuk Ruben) Airport, Paulatuk, elev 15 ft) on a standard ISA day.

// Aircraft performance impact MINOR

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.

// Cloud layers · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN240

Broken · base 24,000 ft AGL · ~5–7 oktas

BKN160

Broken · base 16,000 ft AGL · ~5–7 oktas

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER24,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL5,673 ft VFR MARGIN+7,000 ft

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

// 24h DAYLIGHT — sun does not set at this latitude on this date

—SUNRISE

19:57ZSOLAR NOON

—SUNSET

—CIVIL END

CURRENT15:18Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS— DAY LENGTH24h

Waning Crescent

ILLUMINATION11% MOONRISE— MOONSET— FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 200 NM (very sparse)

CYPC

VFR

Paulatuk (Nora Aliqatchialuk Ruben) Airport · Paulatuk

WIND: 090° / 3 kt
VIS: 10+ SM
CEILING: FEW170
DIST: 153 NM SW
AGE: 18m ago

CYSY

VFR

Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport · Sachs Harbour

WIND: 170° / 3 kt
VIS: 10+ SM
CEILING: BKN120
DIST: 160 NM NW
AGE: 18m ago

CYCO

VFR

Kugluktuk Airport · Kugluktuk

WIND: 250° / 5 kt
VIS: 10+ SM
CEILING: BKN250
DIST: 186 NM S
AGE: 18m ago

// Area map · 200 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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