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// Station · 31m ago

LSMM

Meiringen Air Base
CAT
WIND CALM
VIS
CEILING Few/scattered only
T/Td 18°C / 18°C
ALTIM 30.15 inHg
WX FG
ELEV 1,895 FT
46.7423°N / 8.1089°E
LOCATION · Meiringen, CH
N
WIND
000°0 kt
LSMM · 1,895 FT
© OSM · CartoDB

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

METRIC
NOW · 23Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
 
 
 
CEILING
 
 
 
LAYERS
FEW002
 
 
 
T / Td
18 / 18
 
 
 
ALTIM
30.15"
 
 
 

// Interpretation

VFR with winds calm. Visibility unreported and a few at 200 ft. Reported weather: FG. 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 LSMM 142320Z AUTO 00000KT 2600NDV FG FEW002 18/18 Q1021 RMK

LSMM · day 14 at 23:20 UTC · winds calm · a few clouds at 200 ft · temp 18°C / dewpoint 18°C · altimeter 30.15" Hg · weather: FG

// 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
10 HDG 100° CALM 6,571'
28 HDG 280° CALM 6,571'
Pattern altitude: 2,895 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 +6°C

2,400FT
+505 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
4,700 3,400 2,100
24h AGO18h12h6hNOW
FIELD ELEV1,895 FT OAT+18°C ISA DELTA+6°C PRESSURE ALT1,665 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 MINOR
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.

// Cloud layers · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 10,986 FT FEW002 LSMM ELEV · 1,895 FT
// Reported layers (highest → lowest)
FEW002
Few · base 200 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER200 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL10,986 ft VFR MARGINunlimited

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

03:49ZSUNRISE
11:34ZSOLAR NOON
19:19ZSUNSET
19:57ZCIVIL END
CURRENT23:51Z DAYLIGHT REMAINING19h 28m VFR NIGHT BEGINS19:57Z (20h 06m) DAY LENGTH15h 30m
New Moon
ILLUMINATION0% MOONRISE03:59Z MOONSET19:29Z FULL MOON IN15 days

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

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

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