// Station · 33m ago

CYGL

La Grande Rivière Airport

CAT VFR

WIND 180° / 5 kt

VIS 10+ SM

CEILING BKN at 3,600 ft

T/Td 14°C / 12°C

ALTIM 29.71 inHg

WX -RA

ELEV 639 FT

53.6253°N / 77.7042°W

LOCATION · La Grande Rivière, CA

WIND

180°5 kt

CYGL · 639 FT

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

METRIC

NOW · 05Z

+6H

+12H

+18H

WIND

180°/5

VIS

10+ SM

CEILING

BKN036

LAYERS

BKN036 OVC071

T / Td

14 / 12

ALTIM

29.71"

// Interpretation

VFR — ceiling 3,600 ft. Light winds at 180°/5 kt, visibility better than 10 statute miles, broken at 3,600 ft, and overcast at 7,100 ft. Reported weather: light rain (-RA). 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 CYGL 180500Z 18005KT 15SM -RA BKN036 OVC071 14/12 A2971 RMK SC6AC2 SLP068 DENSITY ALT 1000FT

CYGL · day 18 at 05:00 UTC · wind from 180° at 5 kt · visibility 10+ SM · broken layer at 3,600 ft · overcast at 7,100 ft · temp 14°C / dewpoint 12°C · altimeter 29.71" Hg · weather: light rain (-RA) · sea-level pressure 1006.8 mb

// Runway analysis · computed from current METAR wind

Wind 180° @ 5 kt

1 USABLE · 1 AVOID

WIND

180°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

13★ HDG 130° H3 kt X4 kt RIGHT PRIMARY · 6,500'

TAILWIND ENDS · AVOID 1 ends

31 HDG 310° T3 kt X4 kt LEFT —

Pattern altitude: 1,639 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 +1°C

900FT

+261 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV639 FT OAT+14°C ISA DELTA+1°C PRESSURE ALT846 FT

// Performance equivalent Operating here right now feels like operating at CYSG (Saint-Georges Airport, Saint-Georges, elev 893 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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)

OVC071

Overcast · base 7,100 ft AGL · 8 oktas

BKN036

Broken · base 3,600 ft AGL · ~5–7 oktas

// Computed

CEILING3,600 ft AGL HIGHEST LAYER7,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL7,710 ft VFR MARGIN+600 ft

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

09:56ZSUNRISE

17:16ZSOLAR NOON

00:35ZSUNSET

01:15ZCIVIL END

CURRENT05:33Z DAYLIGHT REMAINING19h 02m VFR NIGHT BEGINS01:15Z (19h 41m) DAY LENGTH14h 39m

Waxing Crescent

ILLUMINATION25% MOONRISE13:55Z MOONSET04:35Z FULL MOON IN10 days

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

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