// Station · 7h 3m ago · STALE · HARD STALE

LFSM

Montbéliard-Courcelles Airfield

CAT VFR

WIND CALM

VIS 6+ SM

CEILING CLR

T/Td 9°C / 7°C

ALTIM 30.18 inHg

ELEV 1,041 FT

47.4870°N / 6.7905°E

LOCATION · Courcelles-lès-Montbéliard, FR

WIND

000°0 kt

LFSM · 1,041 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

9 / 7

ALTIM

30.18"

// Interpretation

VFR with winds calm. Visibility 6+ SM 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 LFSM 121800Z AUTO 00000KT CAVOK 09/07 Q1022

LFSM · day 12 at 18:00 UTC · winds calm · visibility 6+ SM · temp 9°C / dewpoint 7°C · altimeter 30.18" 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

08 HDG 080° —CALM —— 5,578'

26 HDG 260° —CALM —— 5,578'

Pattern altitude: 2,041 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 -4°C

200FT

-841 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,041 FT OAT+9°C ISA DELTA-4°C PRESSURE ALT781 FT

// Performance equivalent Operating here right now feels like operating at LFLA (Auxerre Branches airport, Auxerre, elev 523 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+2%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-1%

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 LEVEL5,586 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

05:49ZSUNRISE

11:20ZSOLAR NOON

16:51ZSUNSET

17:22ZCIVIL END

CURRENT01:03Z DAYLIGHT REMAINING15h 47m VFR NIGHT BEGINS17:22Z (16h 18m) DAY LENGTH11h 02m

Waxing Crescent

ILLUMINATION3% MOONRISE07:10Z MOONSET18:12Z 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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