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// Station · 30m ago

CYYY

Mont Joli Airport
CAT VFR
WIND 210° / 5 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 16°C / 14°C
ALTIM 29.86 inHg
ELEV 172 FT
48.6086°N / 68.2081°W
LOCATION · Mont-Joli, CA
N
WIND
210°5 kt
CYYY · 172 FT
© OSM · CartoDB

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

METRIC
NOW · 05Z
+6H
+12H
+18H
WIND
210°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT052
 
 
 
T / Td
16 / 14
 
 
 
ALTIM
29.86"
 
 
 

// Interpretation

VFR with light winds at 210°/5 kt. Visibility better than 10 statute miles and scattered at 5,200 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR CYYY 180500Z 21005KT 30SM SCT052 16/14 A2986 RMK SC4 SLP114 DENSITY ALT 500FT

CYYY · day 18 at 05:00 UTC · wind from 210° at 5 kt · visibility 10+ SM · scattered layer at 5,200 ft · temp 16°C / dewpoint 14°C · altimeter 29.86" Hg · sea-level pressure 1011.4 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 5 kt
2 USABLE · 2 AVOID
N
WIND
210°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
24 HDG 240° H4 kt X2 kt LEFT PRIMARY · 6,000'
15 HDG 150° H3 kt X4 kt RIGHT 3,934'
TAILWIND ENDS · AVOID 2 ends
33 HDG 330° T2 kt X4 kt LEFT
06 HDG 060° T4 kt X2 kt RIGHT
Pattern altitude: 1,172 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 +1°C

400FT
+228 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
1,200 600 0
24h AGO18h12h6hNOW
FIELD ELEV172 FT OAT+16°C ISA DELTA+1°C PRESSURE ALT228 FT
// Performance equivalent Operating here right now feels like operating at CYAS (Kangirsuk Airport, Kangirsuk, elev 403 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+4%
-3%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+3%
-2%
Light jetCJ4, Phenom 300, M2
+2%
-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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 8,253 FT SCT052 CYYY ELEV · 172 FT
// Reported layers (highest → lowest)
SCT052
Scattered · base 5,200 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER5,200 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL8,253 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:31ZSUNRISE
16:38ZSOLAR NOON
23:44ZSUNSET
00:19ZCIVIL END
CURRENT05:30Z DAYLIGHT REMAINING18h 14m VFR NIGHT BEGINS00:19Z (18h 48m) DAY LENGTH14h 13m
Waxing Crescent
ILLUMINATION25% MOONRISE13:30Z MOONSET03:43Z FULL MOON IN10 days

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