// Station · 1h 5m ago · STALE

CYGL

La Grande Rivière Airport

CAT VFR

WIND VRB / 2 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td -1°C / -5°C

ALTIM 30.15 inHg

ELEV 639 FT

53.6253°N / 77.7042°W

LOCATION · La Grande Rivière, CA

WIND

VRB2 kt

CYGL · 639 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

VRB/2

VIS

10+ SM

CEILING

—

LAYERS

FEW240

T / Td

-1 / -5

ALTIM

30.15"

// Interpretation

VFR with light winds at variable/2 kt. Visibility better than 10 statute miles and a few at 24,000 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 CYGL 130000Z VRB02KT 15SM FEW240 M01/M05 A3015 RMK CI1 CI TR SLP226

CYGL · day 13 at 00:00 UTC · wind variable at 2 kt · visibility 10+ SM · a few clouds at 24,000 ft · temp -1°C / dewpoint -5°C · altimeter 30.15" Hg · sea-level pressure 1022.6 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

13 HDG 130° —CALM —— 6,500'

31 HDG 310° —CALM —— 6,500'

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 -15°C

-1,400FT

-2,039 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV639 FT OAT-1°C ISA DELTA-15°C PRESSURE ALT406 FT

// Performance equivalent Your aircraft will perform as if it's at a field -1,400 ft high on a standard ISA day — that's -2,039 ft above CYGL'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)

FEW240

Few · base 24,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER24,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL639 ft VFR MARGINunlimited

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

11:33ZSUNRISE

16:58ZSOLAR NOON

22:23ZSUNSET

22:58ZCIVIL END

CURRENT01:05Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:58Z (past) DAY LENGTH10h 50m

Waxing Crescent

ILLUMINATION3% MOONRISE12:54Z MOONSET23:44Z 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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