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// Station · 13m ago

LFLY

Lyon Bron Airport
CAT VFR
WIND 360° / 7 kt
VIS 6+ SM
CEILING CLR
T/Td 35°C / 10°C
ALTIM 29.94 inHg
ELEV 659 FT
45.7279°N / 4.9440°E
LOCATION · Chassieu, Lyon, FR
N
WIND
360°7 kt
LFLY · 659 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
360°/7
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
35 / 10
 
 
 
ALTIM
29.94"
 
 
 

// Interpretation

VFR with light winds at 360°/7 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 111500Z AUTO 36007KT 320V030 CAVOK 35/10 Q1014 TEMPO VRB25G45KT 3000 TSRA BKN100CB

LFLY · day 11 at 15:00 UTC · wind from 360° at 7 kt · visibility 6+ SM · temp 35°C / dewpoint 10°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 360° @ 7 kt
1 USABLE · 1 AVOID
N
WIND
360°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
34 HDG 340° H7 kt X2 kt RIGHT PRIMARY · 5,971'
TAILWIND ENDS · AVOID 1 ends
16 HDG 160° T7 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 +21°C

3,200FT
+2,541 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
4,000 2,700 1,400
24h AGO18h12h6hNOW
FIELD ELEV659 FT OAT+35°C ISA DELTA+21°C PRESSURE ALT636 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 SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+32%
-22%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+22%
-14%
Light jetCJ4, Phenom 300, M2
+13%
-10%

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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,336 FT LFLY ELEV · 659 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL18,336 ft VFR MARGINunlimited

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

04:02ZSUNRISE
11:46ZSOLAR NOON
19:31ZSUNSET
20:08ZCIVIL END
CURRENT15:13Z DAYLIGHT REMAINING4h 17m VFR NIGHT BEGINS20:08Z (4h 55m) DAY LENGTH15h 28m
Waning Crescent
ILLUMINATION11% MOONRISE01:28Z MOONSET16:57Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 60 NM radius

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

© OpenStreetMap · CartoDB · OpenAIP
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