ENTO — Sandefjord Airport; Torp

fog forecast & climatology · Sandefjord(Torp) city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 25 hours of dense fog here (10-year average).

Fog hours per year
336 h below CAT I minima (2016–2026 average)
Fog season
February and March
Typical fog event
~2 h once it forms (middle half 1–3 h, n=1166)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Sandefjord Airport; Torp spends 336 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in February and March. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~38 hJanFebruary: ~66 hFebMarch: ~62 hMarApril: ~21 hAprMay: ~14 hMayJune: ~8 hJunJuly: ~9 hJulAugust: ~11 hAugSeptember: ~25 hSepOctober: ~20 hOctNovember: ~30 hNovDecember: ~32 hDec
Fog season runs September through April, peaking in February; fog is mostly a 10 PM–9 AM phenomenon; a typical event lasts about 2 hours 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.