// Station · 19m ago
CZUM
// Current + 24h forecast · METAR loaded · TAF loading…
// Interpretation
VFR with light winds at 260°/3 kt. Visibility 9.0 SM and a few at 3,000 ft, and scattered at 8,100 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 CZUM 251600Z AUTO 26003KT 200V300 9SM FEW030 SCT081 20/14 A2975 RMK SLP081 DENSITY ALT 2600FT
CZUM · day 25 at 16:00 UTC · wind from 260° at 3 kt · visibility 9.0 SM · a few clouds at 3,000 ft · scattered layer at 8,100 ft · temp 20°C / dewpoint 14°C · altimeter 29.75" Hg · sea-level pressure 1008.1 mb
// Runway analysis · computed from current METAR wind
// Density altitude · ISA +8°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 · 2 reported · highest to lowest
// Sun & Moon · times in Z · bar = local day (UTC-4)
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