// Station · 1h 6m ago · STALE

CYTL

Big Trout Lake Airport

CAT VFR

WIND 310° / 4 kt

VIS 9.0 SM

CEILING Few/scattered only

T/Td 23°C / 16°C

ALTIM 29.95 inHg

ELEV 729 FT

53.8178°N / 89.8969°W

LOCATION · Big Trout Lake, CA

WIND

310°4 kt

CYTL · 729 FT

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

METRIC

NOW · 21Z

+6H

+12H

+18H

WIND

310°/4

VIS

9.0 SM

CEILING

—

LAYERS

SCT130

T / Td

23 / 16

ALTIM

29.95"

// Interpretation

VFR with light winds at 310°/4 kt. Visibility 9.0 SM and scattered at 13,000 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 CYTL 112100Z AUTO 31004KT 9SM SCT130 23/16 A2995 RMK SLP147 DENSITY ALT 1900FT

CYTL · day 11 at 21:00 UTC · wind from 310° at 4 kt · visibility 9.0 SM · scattered layer at 13,000 ft · temp 23°C / dewpoint 16°C · altimeter 29.95" Hg · sea-level pressure 1014.7 mb

// Runway analysis · computed from current METAR wind

Wind 310° @ 4 kt

ALL USABLE · WINDS CALM

WIND

310°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

14 HDG 140° —CALM —— 3,900'

32 HDG 320° —CALM —— 3,900'

Pattern altitude: 1,729 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

1,800FT

+1,071 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +300 FT

24h AGO18h12h6hNOW

FIELD ELEV729 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT697 FT

// Performance equivalent Operating here right now feels like operating at CYLD (Chapleau Airport, Chapleau, elev 1,470 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT130

Scattered · base 13,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER13,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL12,345 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

09:43ZSUNRISE

18:06ZSOLAR NOON

02:28ZSUNSET

03:19ZCIVIL END

CURRENT22:06Z DAYLIGHT REMAINING4h 22m VFR NIGHT BEGINS03:19Z (5h 13m) DAY LENGTH16h 44m

Waning Crescent

ILLUMINATION9% MOONRISE07:23Z MOONSET00:08Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of CYTL.

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

AIRSPACE

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