// Station · 6h 11m ago · STALE · HARD STALE
CYFS
// Current + 24h forecast · METAR loaded · TAF loading…
// Interpretation
MVFR — visibility 3.0 SM. Light winds at 110°/4 kt, visibility 3.0 SM, broken at 25,000 ft. Reported weather: smoke (FU). Smoke aloft is most often wildfire smoke drifting into the area — fine particulates that scatter light and cut visibility even though the air itself stays dry, so it behaves differently from moisture-based mist or fog. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.
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// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR CYFS 251200Z CCA 11004KT 070V170 3SM FU BKN250 10/08 A3006 RMK CI2 LST STFD OVS SLP188
CYFS · day 25 at 12:00 UTC · wind from 110° at 4 kt · visibility 3.0 SM · broken layer at 25,000 ft · temp 10°C / dewpoint 8°C · altimeter 30.06" Hg · weather: smoke (FU) · sea-level pressure 1018.8 mb
// Runway analysis · computed from current METAR wind
// Density altitude · ISA -4°C
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
// Sun & Moon · times in Z · bar = local day (UTC-8)
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