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// Station · 11m ago

CYYC

Calgary International Airport
CAT VFR
WIND 160° / 10 kt G16
VIS 10+ SM
CEILING BKN at 25,000 ft
T/Td 21°C / 11°C
ALTIM 30.23 inHg
ELEV 3,557 FT
51.1188°N / 114.0099°W
LOCATION · Calgary, CA
N
WIND
160°10 kt
CYYC · 3,557 FT
© OSM · CartoDB

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

METRIC
NOW · 18Z
+6H
+12H
+18H
WIND
160°/10G16
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN250
 
 
 
LAYERS
FEW044 BKN250
 
 
 
T / Td
21 / 11
 
 
 
ALTIM
30.23"
 
 
 

// Interpretation

VFR — ceiling 25,000 ft. Moderate winds at 160°/10 kt, gusting 16, visibility better than 10 statute miles, a few at 4,400 ft, and broken at 25,000 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 CYYC 251800Z 16010G16KT 30SM FEW044 BKN250 21/11 A3023 RMK CF1CI7 CF TR CONTRAILS SLP237 DENSITY ALT 4900FT

CYYC · day 25 at 18:00 UTC · wind from 160° at 10 kt, gusts to 16 kt · visibility 10+ SM · a few clouds at 4,400 ft · broken layer at 25,000 ft · temp 21°C / dewpoint 11°C · altimeter 30.23" Hg · sea-level pressure 1023.7 mb

// Runway analysis · computed from current METAR wind

Wind 160° @ 10 ktG16
3 USABLE · 3 AVOID
N
WIND
160°10G16 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
17L HDG 170° H10 kt X2 kt LEFT PRIMARY · 14,000'
17R HDG 170° H10 kt X2 kt LEFT 12,675'
11 HDG 110° H6 kt X8 kt RIGHT 8,000'
TAILWIND ENDS · AVOID 3 ends
29 HDG 290° T6 kt X8 kt LEFT
35R HDG 350° T10 kt X2 kt RIGHT
35L HDG 350° T10 kt X2 kt RIGHT
Pattern altitude: 4,557 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 +12°C

4,700FT
+1,143 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV3,557 FT OAT+21°C ISA DELTA+12°C PRESSURE ALT3,244 FT
// Performance equivalent Your aircraft will perform as if it's at a field 4,700 ft high on a standard ISA day — that's +1,143 ft above CYYC's actual elevation.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+47%
-33%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+33%
-21%
Light jetCJ4, Phenom 300, M2
+19%
-14%

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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,163 FT FEW044 BKN250 · CEILING CYYC ELEV · 3,557 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
FEW044
Few · base 4,400 ft AGL · ~1–2 oktas
// Computed
CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,163 ft VFR MARGIN+22,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-8)

12:39ZSUNRISE
19:39ZSOLAR NOON
02:39ZSUNSET
03:14ZCIVIL END
CURRENT18:11Z DAYLIGHT REMAINING8h 27m VFR NIGHT BEGINS03:14Z (9h 03m) DAY LENGTH13h 59m
Waxing Gibbous
ILLUMINATION94% MOONRISE22:46Z MOONSET12:45Z FULL MOON IN2 days

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