// Station · 1h 3m ago · STALE

CYSN

Niagara District Airport

CAT VFR

WIND 320° / 7 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 21°C / 16°C

ALTIM 30.06 inHg

ELEV 321 FT

43.1916°N / 79.1717°W

LOCATION · Niagara-on-the-Lake, CA

WIND

320°7 kt

CYSN · 321 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

320°/7

VIS

10+ SM

CEILING

—

LAYERS

FEW020 SCT240

T / Td

21 / 16

ALTIM

30.06"

// Interpretation

VFR with light winds at 320°/7 kt. Visibility better than 10 statute miles and a few at 2,000 ft, and scattered at 24,000 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 CYSN 251600Z 32007KT 15SM FEW020 SCT240 21/16 A3006 RMK SC2CI1 SLP182 DENSITY ALT 1000FT

CYSN · day 25 at 16:00 UTC · wind from 320° at 7 kt · visibility 10+ SM · a few clouds at 2,000 ft · scattered layer at 24,000 ft · temp 21°C / dewpoint 16°C · altimeter 30.06" Hg · sea-level pressure 1018.2 mb

// Runway analysis · computed from current METAR wind

Wind 320° @ 7 kt

3 USABLE · 3 AVOID · 1 CAUTION

WIND

320°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

29★ HDG 290° H6 kt X3 kt RIGHT PRIMARY · 2,000'

01 HDG 010° H4 kt X5 kt LEFT 2,500'

24 HDG 240° H1 kt X7 kt RIGHT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 3 ends

06 HDG 060° T1 kt X7 kt LEFT —

19 HDG 190° T4 kt X5 kt RIGHT —

11 HDG 110° T6 kt X4 kt LEFT —

Pattern altitude: 1,321 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

900FT

+579 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV321 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT179 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT240

Scattered · base 24,000 ft AGL · ~3–4 oktas

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER24,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL10,927 ft VFR MARGINunlimited

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

10:34ZSUNRISE

17:20ZSOLAR NOON

00:06ZSUNSET

00:35ZCIVIL END

CURRENT17:03Z DAYLIGHT REMAINING7h 02m VFR NIGHT BEGINS00:35Z (7h 32m) DAY LENGTH13h 31m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:38Z MOONSET10:10Z FULL MOON IN2 days

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

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