RKTY — Yecheon Airbase

fog forecast & climatology · Yecheon-ri city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 6 hours of dense fog here (10-year average).

Fog hours per year
147 h below CAT I minima (2016–2026 average)
Fog season
January and November
Typical fog event
~1 h once it forms (middle half 1–1 h, n=34)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Yecheon Airbase spends 147 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in January and November. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~36 hJanFebruary: ~29 hFebMarch: ~8 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~2 hJulAugust: ~1 hAugSeptember: ~6 hSepOctober: ~31 hOctNovember: ~33 hNovDecember: ~4 hDec
Fog season is January, February, October, November, peaking in January; fog is mostly a 6 AM–9 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.