// Station · 8d ago · STALE · HARD STALE

CYMU

Umiujaq Airport

CAT MVFR

WIND VRB / 2 kt

VIS 5.0 SM

CEILING BKN at 4,500 ft

T/Td 14°C / 10°C

ALTIM 29.74 inHg

WX BR

ELEV 250 FT

56.5361°N / 76.5183°W

LOCATION · Umiujaq, CA

WIND

VRB2 kt

CYMU · 250 FT

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

METRIC

NOW · 21Z

+6H

+12H

+18H

WIND

VRB/2

VIS

5.0 SM

CEILING

BKN045

LAYERS

BKN045 OVC094

T / Td

14 / 10

ALTIM

29.74"

// Interpretation

MVFR — visibility 5.0 SM. Light winds at variable/2 kt, visibility 5.0 SM, broken at 4,500 ft, and overcast at 9,400 ft. Reported weather: mist (BR). Mist is water droplets thinning visibility to between 5/8 and 6 SM — the moist, lighter cousin of fog. 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 CYMU 162100Z VRB02KT 5SM BR BKN045 OVC094 14/10 A2974 RMK SC6AS2 LAST STFD OBS NXT 251130Z VIA CYQB SLP077

CYMU · day 16 at 21:00 UTC · wind variable at 2 kt · visibility 5.0 SM · broken layer at 4,500 ft · overcast at 9,400 ft · temp 14°C / dewpoint 10°C · altimeter 29.74" Hg · weather: mist (BR) · sea-level pressure 1007.7 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

02 HDG 020° —CALM —— 3,500'

20 HDG 200° —CALM —— 3,500'

Pattern altitude: 1,250 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 +0°C

400FT

+150 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV250 FT OAT+14°C ISA DELTA+0°C PRESSURE ALT427 FT

// Performance equivalent Operating here right now feels like operating at CYAS (Kangirsuk Airport, Kangirsuk, elev 403 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+4%

-3%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+3%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-1%

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)

OVC094

Overcast · base 9,400 ft AGL · 8 oktas

BKN045

Broken · base 4,500 ft AGL · ~5–7 oktas

// Computed

CEILING4,500 ft AGL HIGHEST LAYER9,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL7,321 ft VFR MARGIN+1,500 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:56ZSUNRISE

17:09ZSOLAR NOON

00:22ZSUNSET

01:04ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING8h 05m VFR NIGHT BEGINS01:04Z (8h 47m) DAY LENGTH14h 26m

Waxing Gibbous

ILLUMINATION94% MOONRISE19:59Z MOONSET10:25Z 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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