// Station · 15m ago

LFAC

Calais Marck Airport

CAT VFR

WIND 050° / 15 kt

VIS 6+ SM

CEILING CLR

T/Td 23°C / 15°C

ALTIM 29.85 inHg

ELEV 12 FT

50.9621°N / 1.9548°E

LOCATION · Calais, FR

WIND

050°15 kt

LFAC · 12 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

050°/15

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

23 / 15

ALTIM

29.85"

// Interpretation

VFR with brisk winds at 050°/15 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 LFAC 251600Z AUTO 05015KT CAVOK 23/15 Q1011

LFAC · day 25 at 16:00 UTC · wind from 050° at 15 kt · visibility 6+ SM · temp 23°C / dewpoint 15°C · altimeter 29.85" Hg

// Runway analysis · computed from current METAR wind

Wind 050° @ 15 kt

1 USABLE · 1 AVOID

WIND

050°15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

06★ HDG 060° H15 kt X3 kt LEFT PRIMARY · 5,036'

TAILWIND ENDS · AVOID 1 ends

24 HDG 240° T15 kt X3 kt RIGHT —

Pattern altitude: 1,012 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

1,100FT

+1,088 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV12 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT77 FT

// Performance equivalent Operating here right now feels like operating at LFSO (Nancy-Ochey (BA 133) Air Base, Thuilley-aux-Groseilles, elev 1,106 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+11%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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 LEVEL11,628 ft VFR MARGINunlimited

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

04:55ZSUNRISE

11:55ZSOLAR NOON

18:55ZSUNSET

19:31ZCIVIL END

CURRENT16:15Z DAYLIGHT REMAINING2h 40m VFR NIGHT BEGINS19:31Z (3h 15m) DAY LENGTH14h 00m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:58Z MOONSET04:58Z FULL MOON IN2 days

// Nearest reporting stations

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

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