// Station · 9h 46m ago · STALE · HARD STALE

CYAW

CFB Shearwater Heliport

CAT VFR

WIND 200° / 8 kt G15

VIS 10+ SM

CEILING BKN at 14,000 ft

T/Td 21°C / 15°C

ALTIM 30.00 inHg

ELEV 144 FT

44.6368°N / 63.5021°W

LOCATION · Halifax, CA

WIND

200°8 kt

CYAW · 144 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

200°/8G15

VIS

10+ SM

CEILING

BKN140

LAYERS

SCT030 BKN140 BKN180 BKN250

T / Td

21 / 15

ALTIM

30.00"

// Interpretation

VFR — ceiling 14,000 ft. Moderate winds at 200°/8 kt, gusting 15, visibility better than 10 statute miles, scattered at 3,000 ft, broken at 14,000 ft, broken at 18,000 ft, and broken 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 CYAW 172000Z CCA 20008G15KT 15SM SCT030 BKN140 BKN180 BKN250 21/15 A3000 RMK CU3AC2AC1CI1 DENSITY ALT 1050FT LAST OBS/NXT 181200Z SLP160

CYAW · day 17 at 20:00 UTC · wind from 200° at 8 kt, gusts to 15 kt · visibility 10+ SM · scattered layer at 3,000 ft · broken layer at 14,000 ft · broken layer at 18,000 ft · broken layer at 25,000 ft · temp 21°C / dewpoint 15°C · altimeter 30.00" Hg · sea-level pressure 1016.0 mb

// Runway analysis · computed from current METAR wind

Wind 200° @ 8 ktG15

1 USABLE · 1 AVOID

WIND

200°8G15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

16H★ HDG 160° H6 kt X5 kt RIGHT PRIMARY · 3,500'

TAILWIND ENDS · AVOID 1 ends

34H HDG 340° T6 kt X5 kt LEFT —

Pattern altitude: 1,144 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

800FT

+656 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +600 FT

24h AGO18h12h6hNOW

FIELD ELEV144 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT62 FT

// Performance equivalent Operating here right now feels like operating at CYID (Digby / Annapolis Regional Airport, Digby, elev 499 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. 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 · 4 reported · highest to lowest

// Reported layers (highest → lowest)

BKN250

Broken · base 25,000 ft AGL · ~5–7 oktas

BKN180

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

BKN140

Broken · base 14,000 ft AGL · ~5–7 oktas

SCT030

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

// Computed

CEILING14,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~99% (overcast) FREEZING LEVEL10,750 ft VFR MARGIN+11,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-4)

09:21ZSUNRISE

16:19ZSOLAR NOON

23:17ZSUNSET

23:48ZCIVIL END

CURRENT05:46Z DAYLIGHT REMAINING17h 30m VFR NIGHT BEGINS23:48Z (18h 02m) DAY LENGTH13h 56m

Waxing Crescent

ILLUMINATION25% MOONRISE13:21Z MOONSET03:17Z FULL MOON IN10 days

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

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