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// STALE Observation is 1h 4m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 4m ago · STALE

CYZR

Chris Hadfield Airport
CAT VFR
WIND 170° / 6 kt
VIS 9.0 SM
CEILING OVC at 21,000 ft
T/Td 20°C / 17°C
ALTIM 29.80 inHg
ELEV 594 FT
42.9994°N / 82.3089°W
LOCATION · Sarnia, CA
N
WIND
170°6 kt
CYZR · 594 FT
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// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
170°/6
 
 
 
VIS
9.0 SM
 
 
 
CEILING
OVC210
 
 
 
LAYERS
FEW180 OVC210
 
 
 
T / Td
20 / 17
 
 
 
ALTIM
29.80"
 
 
 

// Interpretation

VFR — ceiling 21,000 ft. Light winds at 170°/6 kt, visibility 9.0 SM, a few at 18,000 ft, and overcast at 21,000 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 CYZR 130100Z AUTO 17006KT 9SM FEW180 OVC210 20/17 A2980 RMK SLP091 DENSITY ALT 1500FT

CYZR · day 13 at 01:00 UTC · wind from 170° at 6 kt · visibility 9.0 SM · a few clouds at 18,000 ft · overcast at 21,000 ft · temp 20°C / dewpoint 17°C · altimeter 29.80" Hg · sea-level pressure 1009.1 mb

// Runway analysis · computed from current METAR wind

Wind 170° @ 6 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
170°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
15★ HDG 150° H6 kt X2 kt RIGHT PRIMARY · 5,100'
24 HDG 240° H2 kt X6 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 2 ends
06 HDG 060° T2 kt X6 kt RIGHT —
33 HDG 330° T6 kt X2 kt LEFT —
Pattern altitude: 1,594 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 +6°C

1,500FT
+906 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV594 FT OAT+20°C ISA DELTA+6°C PRESSURE ALT712 FT
// Performance equivalent Operating here right now feels like operating at CYLD (Chapleau Airport, Chapleau, elev 1,470 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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 · 10,695 FT FEW180 OVC210 · CEILING CYZR ELEV · 594 FT
// Reported layers (highest → lowest)
OVC210
Overcast · base 21,000 ft AGL · 8 oktas
FEW180
Few · base 18,000 ft AGL · ~1–2 oktas
// Computed
CEILING21,000 ft AGL HIGHEST LAYER21,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL10,695 ft VFR MARGIN+18,000 ft

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

11:40ZSUNRISE
17:16ZSOLAR NOON
22:53ZSUNSET
23:22ZCIVIL END
CURRENT02:04Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:22Z (past) DAY LENGTH11h 13m
Waxing Crescent
ILLUMINATION3% MOONRISE13:03Z MOONSET00:16Z FULL MOON IN13 days

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