// Station · 20m ago

CYSF

Stony Rapids Airport

CAT VFR

WIND 290° / 9 kt

VIS 9.0 SM

CEILING OVC at 7,100 ft

T/Td 18°C / 11°C

ALTIM 30.05 inHg

ELEV 805 FT

59.2503°N / 105.8410°W

LOCATION · Stony Rapids, CA

WIND

290°9 kt

CYSF · 805 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

290°/9

VIS

9.0 SM

CEILING

OVC071

LAYERS

FEW043 OVC071

T / Td

18 / 11

ALTIM

30.05"

// Interpretation

VFR — ceiling 7,100 ft. Moderate winds at 290°/9 kt, visibility 9.0 SM, a few at 4,300 ft, and overcast at 7,100 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 CYSF 252200Z AUTO 29009KT 9SM FEW043 OVC071 18/11 A3005 RMK SLP185 DENSITY ALT 1300FT

CYSF · day 25 at 22:00 UTC · wind from 290° at 9 kt · visibility 9.0 SM · a few clouds at 4,300 ft · overcast at 7,100 ft · temp 18°C / dewpoint 11°C · altimeter 30.05" Hg · sea-level pressure 1018.5 mb

// Runway analysis · computed from current METAR wind

Wind 290° @ 9 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

290°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

24★ HDG 240° H6 kt X7 kt RIGHT PRIMARY · 5,050'

TAILWIND ENDS · AVOID 1 ends

06 HDG 060° T6 kt X7 kt LEFT —

Pattern altitude: 1,805 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 +4°C

1,200FT

+395 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV805 FT OAT+18°C ISA DELTA+4°C PRESSURE ALT672 FT

// Performance equivalent Operating here right now feels like operating at CYBU (Nipawin Airport, Nipawin, elev 1,220 ft) on a standard ISA day.

// Aircraft performance impact MINOR

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC071

Overcast · base 7,100 ft AGL · 8 oktas

FEW043

Few · base 4,300 ft AGL · ~1–2 oktas

// Computed

CEILING7,100 ft AGL HIGHEST LAYER7,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL9,896 ft VFR MARGIN+4,100 ft

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:45ZSUNRISE

19:06ZSOLAR NOON

02:28ZSUNSET

03:13ZCIVIL END

CURRENT22:20Z DAYLIGHT REMAINING4h 07m VFR NIGHT BEGINS03:13Z (4h 53m) DAY LENGTH14h 42m

Waxing Gibbous

ILLUMINATION95% MOONRISE22:00Z MOONSET12:42Z FULL MOON IN2 days

// Nearest reporting stations

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

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