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// Station · 28m ago

LSGC

Les Eplatures Airport
CAT VFR
WIND VRB / 3 kt
VIS 6+ SM
CEILING CLR
T/Td 23°C / 15°C
ALTIM 30.12 inHg
ELEV 3,368 FT
47.0839°N / 6.7928°E
LOCATION · La Chaux-de-Fonds, CH
N
WIND
VRB3 kt
LSGC · 3,368 FT
© OSM · CartoDB

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

METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
VRB/3
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
23 / 15
 
 
 
ALTIM
30.12"
 
 
 

// Interpretation

VFR with light winds at variable/3 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 LSGC 111650Z AUTO VRB03KT 9999 NSC 23/15 Q1020

LSGC · day 11 at 16:50 UTC · wind variable at 3 kt · visibility 6+ SM · temp 23°C / dewpoint 15°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
VRB3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
05 HDG 050° CALM 3,707'
23 HDG 230° CALM 3,707'
Pattern altitude: 4,368 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 +14°C

4,900FT
+1,532 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
5,900 4,800 3,700
24h AGO18h12h6hNOW
FIELD ELEV3,368 FT OAT+23°C ISA DELTA+14°C PRESSURE ALT3,167 FT
// Performance equivalent Operating here right now feels like operating at LSMV (Davos Stilli Heliport, Davos, elev 5,157 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+49%
-34%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+34%
-22%
Light jetCJ4, Phenom 300, M2
+20%
-15%

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 · 14,984 FT LSGC ELEV · 3,368 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL14,984 ft VFR MARGINunlimited

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

03:49ZSUNRISE
11:39ZSOLAR NOON
19:29ZSUNSET
20:07ZCIVIL END
CURRENT17:18Z DAYLIGHT REMAINING2h 10m VFR NIGHT BEGINS20:07Z (2h 48m) DAY LENGTH15h 39m
Waning Crescent
ILLUMINATION10% MOONRISE01:19Z MOONSET16:59Z 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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