// Station · 15m ago
OPPS
// Current + 24h forecast · METAR loaded · TAF loading…
// Interpretation
MVFR — visibility 3.1 SM. Moderate winds at 050°/8 kt, visibility 3.1 SM, no reported cloud layers. Reported weather: haze (HZ). Haze is fine dust, salt, or pollution particles suspended in dry air — it reduces visibility and washes out contrast, a dry particulate obscuration rather than a moisture one. 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 OPPS 251600Z 05008KT 5000 HZ NSC 31/25 Q1004
OPPS · day 25 at 16:00 UTC · wind from 050° at 8 kt · visibility 3.1 SM · temp 31°C / dewpoint 25°C · altimeter 29.65" Hg · weather: haze (HZ)
// Runway analysis · computed from current METAR wind
// Density altitude · ISA +19°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 · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC+5)
// Nearest reporting stations
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