// Station · 6h 17m ago · STALE · HARD STALE

CYAW

CFB Shearwater Heliport

CAT VFR

WIND 190° / 7 kt

VIS 10+ SM

CEILING BKN at 11,000 ft

T/Td 25°C / 21°C

ALTIM 30.09 inHg

ELEV 144 FT

44.6368°N / 63.5021°W

LOCATION · Halifax, CA

WIND

190°7 kt

CYAW · 144 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

190°/7

VIS

10+ SM

CEILING

BKN110

LAYERS

FEW012 SCT070 BKN110 BKN250

T / Td

25 / 21

ALTIM

30.09"

// Interpretation

VFR — ceiling 11,000 ft. Light winds at 190°/7 kt, visibility better than 10 statute miles, a few at 1,200 ft, scattered at 7,000 ft, broken at 11,000 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 281900Z 19007KT 15SM FEW012 SCT070 BKN110 BKN250 25/21 A3009 RMK CU1AC3AC1CC2 DENSITY ALT 1453FT LAST OBS/NXT 311000Z SLP191

CYAW · day 28 at 19:00 UTC · wind from 190° at 7 kt · visibility 10+ SM · a few clouds at 1,200 ft · scattered layer at 7,000 ft · broken layer at 11,000 ft · broken layer at 25,000 ft · temp 25°C / dewpoint 21°C · altimeter 30.09" Hg · sea-level pressure 1019.1 mb

// Runway analysis · computed from current METAR wind

Wind 190° @ 7 kt

1 USABLE · 1 AVOID

WIND

190°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

16H★ HDG 160° H6 kt X3 kt RIGHT PRIMARY · 3,500'

TAILWIND ENDS · AVOID 1 ends

34H HDG 340° T6 kt X3 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 +10°C

1,200FT

+1,056 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV144 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT-27 FT

// Performance equivalent Operating here right now feels like operating at CYML (Charlevoix Airport, Charlevoix, elev 977 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-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 · 4 reported · highest to lowest

// Reported layers (highest → lowest)

BKN250

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

BKN110

Broken · base 11,000 ft AGL · ~5–7 oktas

SCT070

Scattered · base 7,000 ft AGL · ~3–4 oktas

FEW012

Few · base 1,200 ft AGL · ~1–2 oktas

// Computed

CEILING11,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~99% (overcast) FREEZING LEVEL12,770 ft VFR MARGIN+8,000 ft

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

09:33ZSUNRISE

16:16ZSOLAR NOON

23:00ZSUNSET

23:30ZCIVIL END

CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:30Z (past) DAY LENGTH13h 27m

Waning Gibbous

ILLUMINATION99% MOONRISE22:20Z MOONSET11:47Z FULL MOON IN29 days

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

AIRSPACE

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