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// Station · 31m ago

LSME

Emmen Air Base
CAT
WIND CALM
VIS
CEILING OVC at 14,000 ft
T/Td 21°C / 17°C
ALTIM 29.97 inHg
ELEV 1,400 FT
47.0924°N / 8.3052°E
LOCATION · Emmen, CH
N
WIND
000°0 kt
LSME · 1,400 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
 
 
 
CEILING
OVC140
 
 
 
LAYERS
FEW100 OVC140
 
 
 
T / Td
21 / 17
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR — ceiling 14,000 ft. Winds calm, visibility unreported, a few at 10,000 ft, and overcast at 14,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR LSME 251950Z AUTO 00000KT 9999NDV FEW100 OVC140 21/17 Q1015 RMK

LSME · day 25 at 19:50 UTC · winds calm · a few clouds at 10,000 ft · overcast at 14,000 ft · temp 21°C / dewpoint 17°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
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 +9°C

2,400FT
+1,000 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,400 FT OAT+21°C ISA DELTA+9°C PRESSURE ALT1,347 FT
// Performance equivalent Operating here right now feels like operating at LSGL (Lausanne la Blécherette Airport, Lausanne, elev 2,041 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+24%
-17%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+17%
-11%
Light jetCJ4, Phenom 300, M2
+10%
-7%

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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,006 FT FEW100 OVC140 · CEILING LSME ELEV · 1,400 FT
// Reported layers (highest → lowest)
OVC140
Overcast · base 14,000 ft AGL · 8 oktas
FEW100
Few · base 10,000 ft AGL · ~1–2 oktas
// Computed
CEILING14,000 ft AGL HIGHEST LAYER14,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,006 ft VFR MARGIN+11,000 ft

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

04:37ZSUNRISE
11:30ZSOLAR NOON
18:23ZSUNSET
18:55ZCIVIL END
CURRENT20:21Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS18:55Z (past) DAY LENGTH13h 45m
Waxing Gibbous
ILLUMINATION94% MOONRISE14:48Z MOONSET04:33Z FULL MOON IN2 days

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

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