// Station · 17m ago

CYOW

Ottawa Macdonald-Cartier International Airport

CAT MVFR

WIND 320° / 4 kt

VIS 10+ SM

CEILING BKN at 3,000 ft

T/Td 19°C / 16°C

ALTIM 29.96 inHg

WX -RA

ELEV 374 FT

45.3225°N / 75.6692°W

LOCATION · Ottawa, CA

WIND

320°4 kt

CYOW · 374 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

320°/4

VIS

10+ SM

CEILING

BKN030

LAYERS

BKN030

T / Td

19 / 16

ALTIM

29.96"

// Interpretation

MVFR — ceiling 3,000 ft. Light winds at 320°/4 kt, visibility better than 10 statute miles, broken at 3,000 ft. Reported weather: light rain (-RA). 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.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR CYOW 251600Z 32004KT 300V360 15SM -RA BKN030 19/16 A2996 RMK SC7 SLP148 DENSITY ALT 900FT

CYOW · day 25 at 16:00 UTC · wind from 320° at 4 kt · visibility 10+ SM · broken layer at 3,000 ft · temp 19°C / dewpoint 16°C · altimeter 29.96" Hg · weather: light rain (-RA) · sea-level pressure 1014.8 mb

// Runway analysis · computed from current METAR wind

Wind 320° @ 4 kt

ALL USABLE · WINDS CALM

WIND

320°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 6 ends

14 HDG 140° —CALM —— 10,000'

32 HDG 320° —CALM —— 10,000'

07 HDG 070° —CALM —— 8,000'

25 HDG 250° —CALM —— 8,000'

04 HDG 040° —CALM —— 3,300'

22 HDG 220° —CALM —— 3,300'

Pattern altitude: 1,374 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 +5°C

900FT

+526 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV374 FT OAT+19°C ISA DELTA+5°C PRESSURE ALT333 FT

// Performance equivalent Operating here right now feels like operating at CYFH (Fort Hope Airport, Fort Hope, elev 899 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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

// Reported layers (highest → lowest)

BKN030

Broken · base 3,000 ft AGL · ~5–7 oktas

// Computed

CEILING3,000 ft AGL HIGHEST LAYER3,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL9,970 ft VFR MARGIN+0 ft

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

10:17ZSUNRISE

17:06ZSOLAR NOON

23:55ZSUNSET

00:26ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING7h 37m VFR NIGHT BEGINS00:26Z (8h 08m) DAY LENGTH13h 38m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:19Z MOONSET09:57Z FULL MOON IN2 days

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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