// Station · 9h 53m ago · STALE · HARD STALE

CYSN

Niagara District Airport

CAT VFR

WIND 220° / 11 kt

VIS 10+ SM

CEILING BKN at 22,000 ft

T/Td 21°C / 9°C

ALTIM 29.93 inHg

ELEV 321 FT

43.1916°N / 79.1717°W

LOCATION · Niagara-on-the-Lake, CA

WIND

220°11 kt

CYSN · 321 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

220°/11

VIS

10+ SM

CEILING

BKN220

LAYERS

BKN220

T / Td

21 / 9

ALTIM

29.93"

// Interpretation

VFR — ceiling 22,000 ft. Moderate winds at 220°/11 kt, visibility better than 10 statute miles, broken at 22,000 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 270100Z 22011KT 30SM BKN220 21/09 A2993 RMK CI6 LAST STFD OBS/NXT 271100Z SLP135 DENSITY ALT 1100FT

CYSN · day 27 at 01:00 UTC · wind from 220° at 11 kt · visibility 10+ SM · broken layer at 22,000 ft · temp 21°C / dewpoint 9°C · altimeter 29.93" Hg · sea-level pressure 1013.5 mb

// Runway analysis · computed from current METAR wind

Wind 220° @ 11 kt

3 USABLE · 3 AVOID · 1 CAUTION

WIND

220°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

24★ HDG 240° H10 kt X4 kt LEFT PRIMARY · 5,000'

19 HDG 190° H10 kt X5 kt RIGHT 2,500'

29 HDG 290° H4 kt X10 kt LEFT ⚠ HIGH XW · 91%

TAILWIND ENDS · AVOID 3 ends

11 HDG 110° T4 kt X10 kt RIGHT —

01 HDG 010° T10 kt X6 kt LEFT —

06 HDG 060° T10 kt X4 kt RIGHT —

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 +7°C

1,100FT

+779 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +900 FT

24h AGO18h12h6hNOW

FIELD ELEV321 FT OAT+21°C ISA DELTA+7°C PRESSURE ALT309 FT

// Performance equivalent Operating here right now feels like operating at CYHN (Hornepayne Municipal Airport, Hornepayne, elev 1,099 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+11%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN220

Broken · base 22,000 ft AGL · ~5–7 oktas

// Computed

CEILING22,000 ft AGL HIGHEST LAYER22,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL10,927 ft VFR MARGIN+19,000 ft

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

09:44ZSUNRISE

17:15ZSOLAR NOON

00:46ZSUNSET

01:20ZCIVIL END

CURRENT10:53Z DAYLIGHT REMAINING13h 52m VFR NIGHT BEGINS01:20Z (14h 26m) DAY LENGTH15h 02m

Waxing Gibbous

ILLUMINATION83% MOONRISE18:26Z MOONSET09:29Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

KIAG

VFR

Niagara Falls International Airport · Niagara Falls

WIND: 200° / 5 kt
VIS: 10+ SM
CEILING: CLR
DIST: 11 NM SE
AGE: 1h 0m ago

KBUF

VFR

Buffalo Niagara International Airport · Buffalo

WIND: 230° / 10 kt
VIS: 10+ SM
CEILING: BKN250
DIST: 24 NM SE
AGE: 59m ago

CYTZ

VFR

Billy Bishop Toronto City Airport · Toronto

WIND: 220° / 5 kt
VIS: 9.0 SM
CEILING: CLR
DIST: 28 NM N
AGE: 53m ago

CYHM

VFR

John C. Munro Hamilton International Airport · Hamilton

WIND: 210° / 4 kt
VIS: 10+ SM
CEILING: BKN260
DIST: 33 NM W
AGE: 53m ago

CYYZ

VFR

Toronto Pearson International Airport · Toronto

WIND: 310° / 8 kt
VIS: 10+ SM
CEILING: BKN260
DIST: 35 NM NW
AGE: 53m ago

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

AIRSPACE

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