// Station · 28m ago
LSMA
Alpnach Air Base
CAT —
WIND 050° / 6 kt
VIS —
CEILING CLR
T/Td 30°C / 15°C
ALTIM 30.00 inHg
ELEV 1,460 FT
46.9439°N / 8.2842°E
LOCATION · Alpnach, CH
WIND
050°6 kt
LSMA · 1,460 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
050°/6
VIS
—
CEILING
CLR
LAYERS
—
T / Td
30 / 15
ALTIM
30.00"
// Interpretation
VFR with light winds at 050°/6 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…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR LSMA 111650Z AUTO 05006KT 020V080 9999NDV NCD 30/15 Q1016 RMK
LSMA · day 11 at 16:50 UTC · wind from 050° at 6 kt · temp 30°C / dewpoint 15°C · altimeter 30.00" Hg
// Runway analysis · computed from current METAR wind
Wind 050° @ 6 kt
1 USABLE · 1 AVOID
WIND
050°6 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
1 usable
01★
HDG 010°
H5 kt
X4 kt RIGHT
PRIMARY · 4,914'
TAILWIND ENDS · AVOID
1 ends
19
HDG 190°
T5 kt
X4 kt LEFT
—
Pattern altitude: 2,460 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 +18°C
3,500FT
+2,040 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +100 FT
24h AGO18h12h6hNOW
FIELD ELEV1,460 FT
OAT+30°C
ISA DELTA+18°C
PRESSURE ALT1,378 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
+35%
-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
// Sun & Moon · times in Z · bar = local day (UTC+1)
03:44ZSUNRISE
11:33ZSOLAR NOON
19:22ZSUNSET
20:01ZCIVIL END
CURRENT17:18Z
DAYLIGHT REMAINING2h 03m
VFR NIGHT BEGINS20:01Z (2h 42m)
DAY LENGTH15h 38m
Waning Crescent
ILLUMINATION10%
MOONRISE01:14Z
MOONSET16:52Z
FULL MOON IN18 days
// Nearest reporting stations · 5 shown · 60 NM radius
LSZC
VFR
Buochs Airport · Buochs
- WIND
- VRB / 4 kt
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 5 NM E
- AGE
- 28m ago
LSME
—
Emmen Air Base · Emmen
- WIND
- 060° / 4 kt
- VIS
- —
- CEILING
- CLR
- DIST
- 9 NM N
- AGE
- 28m ago
LSMM
VFR
Meiringen Air Base · Meiringen
- WIND
- VRB / 6 kt
- VIS
- —
- CEILING
- BKN081
- DIST
- 14 NM SW
- AGE
- 28m ago
LSMD
—
Dübendorf Air Base · Zurich
- WIND
- 100° / 6 kt
- VIS
- —
- CEILING
- FEW190
- DIST
- 31 NM NE
- AGE
- 28m ago
LSZB
VFR
Bern Airport · Bern
- WIND
- VRB / 3 kt
- VIS
- 6+ SM
- CEILING
- SCT090
- DIST
- 32 NM W
- AGE
- 28m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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