// Station · 55m ago

CYTL

Big Trout Lake Airport

CAT MVFR

WIND 140° / 6 kt G15

VIS 9.0 SM

CEILING OVC at 2,700 ft

T/Td 1°C / -3°C

ALTIM 30.12 inHg

ELEV 729 FT

53.8178°N / 89.8969°W

LOCATION · Big Trout Lake, CA

WIND

140°6 kt

CYTL · 729 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

140°/6G15

VIS

9.0 SM

CEILING

OVC027

LAYERS

OVC027

T / Td

1 / -3

ALTIM

30.12"

// Interpretation

MVFR — ceiling 2,700 ft. Light winds at 140°/6 kt, gusting 15, visibility 9.0 SM, overcast at 2,700 ft. 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 CYTL 130100Z AUTO 14006G15KT 080V170 9SM OVC027 01/M03 A3012 RMK SLP215

CYTL · day 13 at 01:00 UTC · wind from 140° at 6 kt, gusts to 15 kt · visibility 9.0 SM · overcast at 2,700 ft · temp 1°C / dewpoint -3°C · altimeter 30.12" Hg · sea-level pressure 1021.5 mb

// Runway analysis · computed from current METAR wind

Wind 140° @ 6 ktG15

1 USABLE · 1 AVOID

WIND

140°6G15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H6 kt X0 kt — PRIMARY · 3,900'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T6 kt X0 kt — —

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 -13°C

-1,000FT

-1,729 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV729 FT OAT+1°C ISA DELTA-13°C PRESSURE ALT525 FT

// Performance equivalent Your aircraft will perform as if it's at a field -1,000 ft high on a standard ISA day — that's -1,729 ft above CYTL'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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC027

Overcast · base 2,700 ft AGL · 8 oktas

// Computed

CEILING2,700 ft AGL HIGHEST LAYER2,700 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL1,234 ft VFR MARGIN-300 ft

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

12:22ZSUNRISE

17:47ZSOLAR NOON

23:11ZSUNSET

23:47ZCIVIL END

CURRENT01:55Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:47Z (past) DAY LENGTH10h 49m

Waxing Crescent

ILLUMINATION3% MOONRISE13:45Z MOONSET00:34Z 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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