// Station · 28m ago

CYSF

Stony Rapids Airport

CAT VFR

WIND 250° / 6 kt

VIS 9.0 SM

CEILING OVC at 6,600 ft

T/Td 11°C / 10°C

ALTIM 29.70 inHg

WX -RA

ELEV 805 FT

59.2503°N / 105.8410°W

LOCATION · Stony Rapids, CA

WIND

250°6 kt

CYSF · 805 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

250°/6

VIS

9.0 SM

CEILING

OVC066

LAYERS

OVC066

T / Td

11 / 10

ALTIM

29.70"

// Interpretation

VFR — ceiling 6,600 ft. Light winds at 250°/6 kt, visibility 9.0 SM, overcast at 6,600 ft. Reported weather: light rain (-RA). 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

SPECI CYSF 131622Z AUTO 25006KT 9SM -RA OVC066 11/10 A2970 RMK SLP069

CYSF · day 13 at 16:22 UTC · wind from 250° at 6 kt · visibility 9.0 SM · overcast at 6,600 ft · temp 11°C / dewpoint 10°C · altimeter 29.70" Hg · weather: light rain (-RA) · sea-level pressure 1006.9 mb

// Runway analysis · computed from current METAR wind

Wind 250° @ 6 kt

1 USABLE · 1 AVOID

WIND

250°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

24★ HDG 240° H6 kt X1 kt RIGHT PRIMARY · 5,050'

TAILWIND ENDS · AVOID 1 ends

06 HDG 060° T6 kt X1 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 -2°C

800FT

-5 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV805 FT OAT+11°C ISA DELTA-2°C PRESSURE ALT1,024 FT

// Performance equivalent Operating here right now feels like operating at CZFD (Fond-du-Lac Airport, Fond-du-Lac, elev 814 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC066

Overcast · base 6,600 ft AGL · 8 oktas

// Computed

CEILING6,600 ft AGL HIGHEST LAYER6,600 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,361 ft VFR MARGIN+3,600 ft

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

12:28ZSUNRISE

19:00ZSOLAR NOON

01:32ZSUNSET

02:14ZCIVIL END

CURRENT16:50Z DAYLIGHT REMAINING8h 42m VFR NIGHT BEGINS02:14Z (9h 24m) DAY LENGTH13h 03m

Waxing Crescent

ILLUMINATION4% MOONRISE13:58Z MOONSET03:02Z FULL MOON IN13 days

// Nearest reporting stations

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

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