// Station · 17m ago
KM21
// Current + 24h forecast · METAR loaded · TAF loading…
// Interpretation
VFR with winds calm. Visibility better than 10 statute miles and no reported cloud layers. 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 KM21 130615Z AUTO 00000KT 10SM CLR 16/16 A2998 RMK AO2 T01590155
KM21 · day 13 at 06:15 UTC · winds calm · visibility 10+ SM · temp 16°C / dewpoint 16°C · altimeter 29.98" Hg · automated station w/ precipitation discriminator
// Runway analysis · computed from current METAR wind
// Density altitude · ISA +2°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-6)
// Nearest reporting stations
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