// Station · 28m ago

CYHM

John C. Munro Hamilton International Airport

CAT VFR

WIND 220° / 10 kt

VIS 10+ SM

CEILING BKN at 18,000 ft

T/Td 18°C / 16°C

ALTIM 29.83 inHg

ELEV 780 FT

43.1735°N / 79.9312°W

LOCATION · Hamilton, CA

WIND

220°10 kt

CYHM · 780 FT

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

METRIC

NOW · 02Z

+6H

+12H

+18H

WIND

220°/10

VIS

10+ SM

CEILING

BKN180

LAYERS

SCT140 BKN180

T / Td

18 / 16

ALTIM

29.83"

// Interpretation

VFR — ceiling 18,000 ft. Moderate winds at 220°/10 kt, visibility better than 10 statute miles, scattered at 14,000 ft, and broken at 18,000 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 CYHM 130200Z 22010KT 15SM SCT140 BKN180 18/16 A2983 RMK AC3AC3 SLP102 DENSITY ALT 1500FT

CYHM · day 13 at 02:00 UTC · wind from 220° at 10 kt · visibility 10+ SM · scattered layer at 14,000 ft · broken layer at 18,000 ft · temp 18°C / dewpoint 16°C · altimeter 29.83" Hg · sea-level pressure 1010.2 mb

// Runway analysis · computed from current METAR wind

Wind 220° @ 10 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

220°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

24★ HDG 240° H9 kt X3 kt LEFT PRIMARY · 6,010'

30 HDG 300° H2 kt X10 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

12 HDG 120° T2 kt X10 kt RIGHT —

06 HDG 060° T9 kt X3 kt RIGHT —

Pattern altitude: 1,780 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

1,400FT

+620 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV780 FT OAT+18°C ISA DELTA+5°C PRESSURE ALT869 FT

// Performance equivalent Operating here right now feels like operating at CYIB (Atikokan Municipal Airport, Atikokan, elev 1,408 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+14%

-10%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+10%

-6%

Light jetCJ4, Phenom 300, M2

+6%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN180

Broken · base 18,000 ft AGL · ~5–7 oktas

SCT140

Scattered · base 14,000 ft AGL · ~3–4 oktas

// Computed

CEILING18,000 ft AGL HIGHEST LAYER18,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL9,871 ft VFR MARGIN+15,000 ft

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

11:30ZSUNRISE

17:07ZSOLAR NOON

22:43ZSUNSET

23:12ZCIVIL END

CURRENT02:28Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:12Z (past) DAY LENGTH11h 13m

Waxing Crescent

ILLUMINATION3% MOONRISE12:54Z MOONSET00:07Z FULL MOON IN13 days

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

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