// Station · 1h 2m ago · STALE

CYZF

Yellowknife International Airport

CAT VFR

WIND 270° / 3 kt

VIS 10+ SM

CEILING BKN at 12,000 ft

T/Td 4°C / -1°C

ALTIM 29.47 inHg

ELEV 675 FT

62.4628°N / 114.4400°W

LOCATION · Yellowknife, CA

WIND

270°3 kt

CYZF · 675 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

270°/3

VIS

10+ SM

CEILING

BKN120

LAYERS

SCT084 BKN120

T / Td

4 / -1

ALTIM

29.47"

// Interpretation

VFR — ceiling 12,000 ft. Light winds at 270°/3 kt, visibility better than 10 statute miles, scattered at 8,400 ft, and broken at 12,000 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 CYZF 130100Z 27003KT 15SM SCT084 BKN120 04/M01 A2947 RMK AC3AC4 SLP993

CYZF · day 13 at 01:00 UTC · wind from 270° at 3 kt · visibility 10+ SM · scattered layer at 8,400 ft · broken layer at 12,000 ft · temp 4°C / dewpoint -1°C · altimeter 29.47" Hg · sea-level pressure 999.3 mb

// Runway analysis · computed from current METAR wind

Wind 270° @ 3 kt

ALL USABLE · WINDS CALM

WIND

270°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

16 HDG 160° —CALM —— 7,500'

34 HDG 340° —CALM —— 7,500'

10 HDG 100° —CALM —— 5,000'

28 HDG 280° —CALM —— 5,000'

Pattern altitude: 1,675 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 -9°C

100FT

-575 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV675 FT OAT+4°C ISA DELTA-9°C PRESSURE ALT1,121 FT

// Performance equivalent Operating here right now feels like operating at CZFM (Fort Mcpherson Airport, Fort Mcpherson, elev 116 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+1%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN120

Broken · base 12,000 ft AGL · ~5–7 oktas

SCT084

Scattered · base 8,400 ft AGL · ~3–4 oktas

// Computed

CEILING12,000 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL2,695 ft VFR MARGIN+9,000 ft

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

14:16ZSUNRISE

19:25ZSOLAR NOON

00:34ZSUNSET

01:20ZCIVIL END

CURRENT02:02Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:20Z (past) DAY LENGTH10h 18m

Waxing Crescent

ILLUMINATION3% MOONRISE15:38Z MOONSET01:57Z 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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