// Station · 18m ago

LFLY

Lyon Bron Airport

CAT VFR

WIND 180° / 5 kt

VIS 6+ SM

CEILING CLR

T/Td 29°C / 15°C

ALTIM 29.88 inHg

ELEV 659 FT

45.7279°N / 4.9440°E

LOCATION · Chassieu, Lyon, FR

WIND

180°5 kt

LFLY · 659 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

180°/5

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

29 / 15

ALTIM

29.88"

// Interpretation

VFR with light winds at 180°/5 kt. Visibility 6+ SM and no reported cloud layers. 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 LFLY 251600Z AUTO 18005KT 130V210 CAVOK 29/15 Q1012 TEMPO FEW080TCU

LFLY · day 25 at 16:00 UTC · wind from 180° at 5 kt · visibility 6+ SM · temp 29°C / dewpoint 15°C · altimeter 29.88" Hg

// 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

16★ HDG 160° H5 kt X2 kt RIGHT PRIMARY · 5,971'

TAILWIND ENDS · AVOID 1 ends

34 HDG 340° T5 kt X2 kt LEFT —

Pattern altitude: 1,659 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

2,500FT

+1,841 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV659 FT OAT+29°C ISA DELTA+15°C PRESSURE ALT695 FT

// Performance equivalent Operating here right now feels like operating at LFHP (Le Puy-Loudes Airfield, Chaspuzac, Haute-Loire, elev 2,731 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+25%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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 LEVEL15,305 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

04:53ZSUNRISE

11:43ZSOLAR NOON

18:34ZSUNSET

19:05ZCIVIL END

CURRENT16:18Z DAYLIGHT REMAINING2h 16m VFR NIGHT BEGINS19:05Z (2h 47m) DAY LENGTH13h 40m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:56Z MOONSET04:36Z FULL MOON IN2 days

// Nearest reporting stations

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

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