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// Station · 31m ago

LFAC

Calais Marck Airport
CAT VFR
WIND 030° / 20 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 22°C / 17°C
ALTIM 30.12 inHg
ELEV 12 FT
50.9621°N / 1.9548°E
LOCATION · Calais, FR
N
WIND
030°20 kt
LFAC · 12 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
030°/20
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW008
 
 
 
T / Td
22 / 17
 
 
 
ALTIM
30.12"
 
 
 

// Interpretation

VFR with strong winds at 030°/20 kt. Visibility 6+ SM and a few at 800 ft. 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 111430Z AUTO 03020KT 9999 FEW008 22/17 Q1020

LFAC · day 11 at 14:30 UTC · wind from 030° at 20 kt · visibility 6+ SM · a few clouds at 800 ft · temp 22°C / dewpoint 17°C · altimeter 30.12" Hg

// Runway analysis · computed from current METAR wind

Wind 030° @ 20 kt
1 USABLE · 1 AVOID
N
WIND
030°20 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
06 HDG 060° H17 kt X10 kt LEFT PRIMARY · 5,036'
TAILWIND ENDS · AVOID 1 ends
24 HDG 240° T17 kt X10 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 +7°C

600FT
+588 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
1,100 700 300
24h AGO18h12h6hNOW
FIELD ELEV12 FT OAT+22°C ISA DELTA+7°C PRESSURE ALT-189 FT
// Performance equivalent Operating here right now feels like operating at LFAQ (Albert Bray airport, Albert, elev 364 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+6%
-4%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+4%
-3%
Light jetCJ4, Phenom 300, M2
+2%
-2%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,123 FT FEW008 LFAC ELEV · 12 FT
// Reported layers (highest → lowest)
FEW008
Few · base 800 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER800 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,123 ft VFR MARGINunlimited

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

03:51ZSUNRISE
11:58ZSOLAR NOON
20:05ZSUNSET
20:50ZCIVIL END
CURRENT15:01Z DAYLIGHT REMAINING5h 04m VFR NIGHT BEGINS20:50Z (5h 48m) DAY LENGTH16h 14m
Waning Crescent
ILLUMINATION11% MOONRISE01:17Z MOONSET17:31Z 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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