// Station · 10h 20m ago · STALE · HARD STALE
GMMN
// Current + 24h forecast · METAR loaded · TAF loading…
// Interpretation
VFR with light winds at 010°/7 kt. Visibility 6+ SM and a few at 1,200 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
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// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR GMMN 130230Z 01007KT 9999 FEW012 23/19 Q1017 NOSIG
GMMN · day 13 at 02:30 UTC · wind from 010° at 7 kt · visibility 6+ SM · a few clouds at 1,200 ft · temp 23°C / dewpoint 19°C · altimeter 30.03" Hg
// Runway analysis · computed from current METAR wind
// Density altitude · ISA +9°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-1)
// Nearest reporting stations
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