// Station · 19m ago

LSME

Emmen Air Base

CAT —

WIND VRB / 2 kt

VIS —

CEILING CLR

T/Td 31°C / 12°C

ALTIM 30.00 inHg

ELEV 1,400 FT

47.0924°N / 8.3052°E

LOCATION · Emmen, CH

WIND

VRB2 kt

LSME · 1,400 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

VRB/2

VIS

—

CEILING

CLR

LAYERS

—

T / Td

31 / 12

ALTIM

30.00"

// Interpretation

VFR with light winds at variable/2 kt. Visibility unreported 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 LSME 111750Z AUTO VRB02KT 9999NDV NCD 31/12 Q1016 RMK

LSME · day 11 at 17:50 UTC · wind variable at 2 kt · temp 31°C / dewpoint 12°C · altimeter 30.00" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

04 HDG 040° —CALM —— 8,208'

22 HDG 220° —CALM —— 8,208'

Pattern altitude: 2,400 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 +19°C

3,600FT

+2,200 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV1,400 FT OAT+31°C ISA DELTA+19°C PRESSURE ALT1,318 FT

// Performance equivalent Operating here right now feels like operating at LSGC (Les Eplatures Airport, La Chaux-de-Fonds, elev 3,368 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+36%

-25%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+25%

-16%

Light jetCJ4, Phenom 300, M2

+14%

-11%

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

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL17,057 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

03:43ZSUNRISE

11:33ZSOLAR NOON

19:23ZSUNSET

20:01ZCIVIL END

CURRENT18:09Z DAYLIGHT REMAINING1h 13m VFR NIGHT BEGINS20:01Z (1h 52m) DAY LENGTH15h 39m

Waning Crescent

ILLUMINATION10% MOONRISE01:15Z MOONSET16:54Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 60 NM radius

LSZR

VFR

Sankt Gallen Altenrhein Airport · St. Gallen

WIND: 050° / 5 kt
VIS: 6+ SM
CEILING: CLR
DIST: 56 NM NE
AGE: 19m ago

LSMP

—

Payerne Air Base · Payerne

WIND: 210° / 6 kt
VIS: —
CEILING: CLR
DIST: 59 NM W
AGE: 19m ago

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

AIRSPACE

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