// Station · 50m ago

CYOW

Ottawa Macdonald-Cartier International Airport

CAT VFR

WIND 360° / 11 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 17°C / 11°C

ALTIM 29.81 inHg

ELEV 374 FT

45.3225°N / 75.6692°W

LOCATION · Ottawa, CA

WIND

360°11 kt

CYOW · 374 FT

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

METRIC

NOW · 09Z

+6H

+12H

+18H

WIND

360°/11

VIS

10+ SM

CEILING

—

LAYERS

FEW060 SCT250

T / Td

17 / 11

ALTIM

29.81"

// Interpretation

VFR with moderate winds at 360°/11 kt. Visibility better than 10 statute miles and a few at 6,000 ft, and scattered at 25,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 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 270900Z 36011KT 15SM FEW060 SCT250 17/11 A2981 RMK SC2CI2 SLP097 DENSITY ALT 900FT

CYOW · day 27 at 09:00 UTC · wind from 360° at 11 kt · visibility 10+ SM · a few clouds at 6,000 ft · scattered layer at 25,000 ft · temp 17°C / dewpoint 11°C · altimeter 29.81" Hg · sea-level pressure 1009.7 mb

// Runway analysis · computed from current METAR wind

Wind 360° @ 11 kt

3 USABLE · 3 AVOID · 3 CAUTION

WIND

360°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

04★ HDG 040° H8 kt X7 kt LEFT PRIMARY · 3,300'

32 HDG 320° H8 kt X7 kt RIGHT ⚠ HIGH XW · 64%

07 HDG 070° H4 kt X10 kt LEFT ⚠ HIGH XW · 91%

TAILWIND ENDS · AVOID 3 ends

25 HDG 250° T4 kt X10 kt RIGHT —

22 HDG 220° T8 kt X7 kt RIGHT —

14 HDG 140° T8 kt X7 kt LEFT —

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 +3°C

800FT

+426 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +700 FT

24h AGO18h12h6hNOW

FIELD ELEV374 FT OAT+17°C ISA DELTA+3°C PRESSURE ALT481 FT

// Performance equivalent Operating here right now feels like operating at CNE3 (Bearskin Lake Airport, Bearskin Lake, elev 800 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+8%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+3%

-2%

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.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT250

Scattered · base 25,000 ft AGL · ~3–4 oktas

FEW060

Few · base 6,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER25,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL8,960 ft VFR MARGINunlimited

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

09:22ZSUNRISE

17:01ZSOLAR NOON

00:39ZSUNSET

01:15ZCIVIL END

CURRENT09:50Z DAYLIGHT REMAINING14h 49m VFR NIGHT BEGINS01:15Z (15h 25m) DAY LENGTH15h 16m

Waxing Gibbous

ILLUMINATION82% MOONRISE18:03Z MOONSET09:20Z FULL MOON IN4 days

// Nearest reporting stations · 2 shown · 60 NM radius

KOGS

VFR

Ogdensburg International Airport · Ogdensburg

WIND: VRB / 4 kt
VIS: 10+ SM
CEILING: CLR
DIST: 39 NM S
AGE: 15m ago

KMSS

VFR

Massena International Airport Richards Field · Massena

WIND: 250° / 5 kt
VIS: 10+ SM
CEILING: CLR
DIST: 42 NM SE
AGE: 57m ago

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

AIRSPACE

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