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// Station · 11m ago

LFLL

Lyon Saint-Exupéry Airport
CAT VFR
WIND 340° / 5 kt
VIS 6+ SM
CEILING CLR
T/Td 34°C / 9°C
ALTIM 29.94 inHg
ELEV 821 FT
45.7260°N / 5.0901°E
LOCATION · Colombier-Saugnieu, Rhône, FR
N
WIND
340°5 kt
LFLL · 821 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
340°/5
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
34 / 9
 
 
 
ALTIM
29.94"
 
 
 

// Interpretation

VFR with light winds at 340°/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 LFLL 111600Z 34005KT 300V020 CAVOK 34/09 Q1014 NOSIG

LFLL · day 11 at 16:00 UTC · wind from 340° at 5 kt · visibility 6+ SM · temp 34°C / dewpoint 9°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 340° @ 5 kt
2 USABLE · 2 AVOID
N
WIND
340°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
35R HDG 350° H5 kt X1 kt LEFT PRIMARY · 8,760'
35L HDG 350° H5 kt X1 kt LEFT 13,124'
TAILWIND ENDS · AVOID 2 ends
17L HDG 170° T5 kt X1 kt RIGHT
17R HDG 170° T5 kt X1 kt RIGHT
Pattern altitude: 1,821 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

3,300FT
+2,479 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
4,000 2,800 1,600
24h AGO18h12h6hNOW
FIELD ELEV821 FT OAT+34°C ISA DELTA+21°C PRESSURE ALT798 FT
// Performance equivalent Operating here right now feels like operating at LFNB (Mende-Brenoux Airfield, Mende/Brénoux, elev 3,362 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+33%
-23%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+23%
-15%
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 · 17,993 FT LFLL ELEV · 821 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,993 ft VFR MARGINunlimited

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

04:01ZSUNRISE
11:46ZSOLAR NOON
19:30ZSUNSET
20:07ZCIVIL END
CURRENT16:11Z DAYLIGHT REMAINING3h 18m VFR NIGHT BEGINS20:07Z (3h 55m) DAY LENGTH15h 28m
Waning Crescent
ILLUMINATION11% MOONRISE01:29Z MOONSET16:58Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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