// Station · 19m ago

CYMU

Umiujaq Airport

CAT LIFR

WIND 240° / 13 kt

VIS 0.25 SM

CEILING —

T/Td 8°C / 8°C

ALTIM 30.05 inHg

WX -DZ FG

ELEV 250 FT

56.5361°N / 76.5183°W

LOCATION · Umiujaq, CA

WIND

240°13 kt

CYMU · 250 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

240°/13

VIS

0.25 SM

CEILING

—

LAYERS

OVX001

T / Td

8 / 8

ALTIM

30.05"

// Interpretation

LIFR — visibility 0.25 SM. Brisk winds at 240°/13 kt, visibility 0.25 SM, ovx at 100 ft. Reported weather: light drizzle and fog (-DZ FG). Fog is water droplets suspended at the surface with visibility under 5/8 SM; it typically burns off with daytime heating or a pickup in wind. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

SPECI CYMU 151522Z 24013KT 1/4SM -DZ FG VV001 08/08 A3005 RMK FG8 VIS VRB 1/4-3/4 VIA CYQB SLP182

CYMU · day 15 at 15:22 UTC · wind from 240° at 13 kt · visibility 0.25 SM · ovx at 100 ft · temp 8°C / dewpoint 8°C · altimeter 30.05" Hg · weather: light drizzle and fog (-DZ FG) · sea-level pressure 1018.2 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 13 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

240°13 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

20★ HDG 200° H10 kt X8 kt RIGHT PRIMARY · 3,500'

TAILWIND ENDS · AVOID 1 ends

02 HDG 020° T10 kt X8 kt LEFT —

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 -7°C

-700FT

-950 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV250 FT OAT+8°C ISA DELTA-7°C PRESSURE ALT117 FT

// Performance equivalent Your aircraft will perform as if it's at a field -700 ft high on a standard ISA day — that's -950 ft above CYMU'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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL4,290 ft VFR MARGINunlimited

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

09:36ZSUNRISE

17:11ZSOLAR NOON

00:47ZSUNSET

01:31ZCIVIL END

CURRENT15:41Z DAYLIGHT REMAINING9h 06m VFR NIGHT BEGINS01:31Z (9h 50m) DAY LENGTH15h 11m

Waxing Crescent

ILLUMINATION6% MOONRISE11:29Z MOONSET02:41Z FULL MOON IN12 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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