// Station · 13m ago

LSME

Emmen Air Base

CAT —

WIND CALM

VIS —

CEILING CLR

T/Td 5°C / 4°C

ALTIM 30.27 inHg

ELEV 1,400 FT

47.0924°N / 8.3052°E

LOCATION · Emmen, CH

WIND

000°0 kt

LSME · 1,400 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

CALM

VIS

—

CEILING

CLR

LAYERS

—

T / Td

5 / 4

ALTIM

30.27"

// Interpretation

VFR with winds calm. 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 130050Z AUTO 00000KT 9999NDV NCD 05/04 Q1025 RMK

LSME · day 13 at 00:50 UTC · winds calm · temp 5°C / dewpoint 4°C · altimeter 30.27" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

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 -8°C

100FT

-1,300 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,400 FT OAT+5°C ISA DELTA-8°C PRESSURE ALT1,052 FT

// Performance equivalent Your aircraft will perform as if it's at a field 100 ft high on a standard ISA day — that's -1,300 ft above LSME's actual elevation.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+1%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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 LEVEL3,925 ft VFR MARGINunlimited

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

05:42ZSUNRISE

11:14ZSOLAR NOON

16:45ZSUNSET

17:16ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING15h 42m VFR NIGHT BEGINS17:16Z (16h 13m) DAY LENGTH11h 03m

Waxing Crescent

ILLUMINATION3% MOONRISE07:03Z MOONSET18:06Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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