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// Station · 47m ago

CYSJ

Saint John Airport
CAT MVFR
WIND 080° / 4 kt
VIS 10+ SM
CEILING OVC at 1,800 ft
T/Td 21°C / 21°C
ALTIM 29.83 inHg
ELEV 357 FT
45.3161°N / 65.8903°W
LOCATION · Saint John, CA
N
WIND
080°4 kt
CYSJ · 357 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
080°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
OVC018
 
 
 
LAYERS
OVC018
 
 
 
T / Td
21 / 21
 
 
 
ALTIM
29.83"
 
 
 

// Interpretation

MVFR — ceiling 1,800 ft. Light winds at 080°/4 kt, visibility better than 10 statute miles, overcast at 1,800 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

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

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// Raw observation METAR string + decoded

METAR CYSJ 182200Z 08004KT 12SM OVC018 21/21 A2983 RMK SC8 DIST SH E-S SLP105 DENSITY ALT 1300FT

CYSJ · day 18 at 22:00 UTC · wind from 080° at 4 kt · visibility 10+ SM · overcast at 1,800 ft · temp 21°C / dewpoint 21°C · altimeter 29.83" Hg · sea-level pressure 1010.5 mb

// Runway analysis · computed from current METAR wind

Wind 080° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
080°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
05 HDG 050° CALM 7,000'
23 HDG 230° CALM 7,000'
14 HDG 140° CALM 5,100'
32 HDG 320° CALM 5,100'
Pattern altitude: 1,357 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

1,300FT
+943 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV357 FT OAT+21°C ISA DELTA+7°C PRESSURE ALT446 FT
// Performance equivalent Operating here right now feels like operating at CYMT (Chapais Airport, Chibougamau, elev 1,270 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+13%
-9%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+9%
-6%
Light jetCJ4, Phenom 300, M2
+5%
-4%

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 · 10,963 FT OVC018 · CEILING CYSJ ELEV · 357 FT
// Reported layers (highest → lowest)
OVC018
Overcast · base 1,800 ft AGL · 8 oktas
// Computed
CEILING1,800 ft AGL HIGHEST LAYER1,800 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL10,963 ft VFR MARGIN-1,200 ft

// Sun & Moon · times in Z · bar = local day (UTC-4)

09:29ZSUNRISE
16:28ZSOLAR NOON
23:28ZSUNSET
00:00ZCIVIL END
CURRENT22:47Z DAYLIGHT REMAINING40m VFR NIGHT BEGINS00:00Z (1h 12m) DAY LENGTH13h 58m
Waxing Crescent
ILLUMINATION32% MOONRISE14:03Z MOONSET04:02Z FULL MOON IN9 days

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