Fog in Chukotka

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 7 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Provideniya Bay Airport (UHMD). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
UHMDProvideniya Bay Airport184 h/yrverifying

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Chukotka fogs in

Fog here concentrates in July and February — about 184 hours in a typical year at UHMD, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the UHMD station page.

Fog season

January: ~6 hJanFebruary: ~14 hFebMarch: ~10 hMarApril: ~5 hAprMay: ~16 hMayJune: ~9 hJunJuly: ~17 hJulAugust: ~7 hAugSeptember: ~3 hSepOctober: ~3 hOctNovember: ~3 hNovDecember: ~8 hDec
Fog season runs December through August, peaking in July; fog is mostly a 7 AM–7 PM phenomenon; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.