// Station · 31m ago

LSGC

Les Eplatures Airport

CAT VFR

WIND VRB / 1 kt

VIS 6+ SM

CEILING CLR

T/Td 17°C / 15°C

ALTIM 30.06 inHg

ELEV 3,368 FT

47.0839°N / 6.7928°E

LOCATION · La Chaux-de-Fonds, CH

WIND

VRB1 kt

LSGC · 3,368 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

VRB/1

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

17 / 15

ALTIM

30.06"

// Interpretation

VFR with light winds at variable/1 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 251950Z AUTO VRB01KT CAVOK 17/15 Q1018

LSGC · day 25 at 19:50 UTC · wind variable at 1 kt · visibility 6+ SM · temp 17°C / dewpoint 15°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 1 kt

ALL USABLE · WINDS CALM

WIND

VRB1 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 +8°C

4,200FT

+832 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,368 FT OAT+17°C ISA DELTA+8°C PRESSURE ALT3,226 FT

// Performance equivalent Your aircraft will perform as if it's at a field 4,200 ft high on a standard ISA day — that's +832 ft above LSGC's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+42%

-29%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+29%

-19%

Light jetCJ4, Phenom 300, M2

+17%

-13%

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 LEVEL11,954 ft VFR MARGINunlimited

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

04:43ZSUNRISE

11:36ZSOLAR NOON

18:29ZSUNSET

19:01ZCIVIL END

CURRENT20:21Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS19:01Z (past) DAY LENGTH13h 45m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:54Z MOONSET04:39Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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