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// STALE Observation is 1h 21m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 21m ago · STALE

LFSM

Montbéliard-Courcelles Airfield
CAT VFR
WIND 050° / 9 kt
VIS 6+ SM
CEILING CLR
T/Td 32°C / 13°C
ALTIM 29.97 inHg
ELEV 1,041 FT
47.4870°N / 6.7905°E
LOCATION · Courcelles-lès-Montbéliard, FR
N
WIND
050°9 kt
LFSM · 1,041 FT
© OSM · CartoDB

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

METRIC
NOW · 18Z
+6H
+12H
+18H
WIND
050°/9
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
32 / 13
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR with moderate winds at 050°/9 kt. 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 111800Z AUTO 05009KT 020V080 CAVOK 32/13 Q1015

LFSM · day 11 at 18:00 UTC · wind from 050° at 9 kt · visibility 6+ SM · temp 32°C / dewpoint 13°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 050° @ 9 kt
1 USABLE · 1 AVOID
N
WIND
050°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
08 HDG 080° H8 kt X4 kt LEFT PRIMARY · 5,578'
TAILWIND ENDS · AVOID 1 ends
26 HDG 260° T8 kt X5 kt RIGHT
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 +19°C

3,300FT
+2,259 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +1,100 FT
4,000 2,950 1,900
24h AGO18h12h6hNOW
FIELD ELEV1,041 FT OAT+32°C ISA DELTA+19°C PRESSURE ALT988 FT
// Performance equivalent Operating here right now feels like operating at LFNB (Mende-Brenoux Airfield, Mende/Brénoux, elev 3,362 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+33%
-23%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+23%
-15%
Light jetCJ4, Phenom 300, M2
+13%
-10%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 17,203 FT LFSM ELEV · 1,041 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,203 ft VFR MARGINunlimited

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

03:48ZSUNRISE
11:39ZSOLAR NOON
19:30ZSUNSET
20:09ZCIVIL END
CURRENT19:21Z DAYLIGHT REMAINING9m VFR NIGHT BEGINS20:09Z (48m) DAY LENGTH15h 42m
Waning Crescent
ILLUMINATION10% MOONRISE01:22Z MOONSET17:05Z FULL MOON IN18 days

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

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

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