Verification scorecard

What our forecasts said, and what happened.

Every helideck visibility forecast we issue is frozen at issue time and graded against the measured weather. This page shows the headline record. Nobody, including us, can edit a forecast after the fact.

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—of basin-wide fog outbreaks flagged 6 h aheadthe situations that cancel flights

—of all fog observations caught 6 h aheadwhole season

—verified observationspaired with frozen forecasts

—offshore stations— verified forecasts

Fog caught, by lead time

Share of low-visibility observations flagged in advance. Frozen record, all stations.

How it works

Frozen at issue

Every forecast is locked the moment it is issued.

Graded on measurements

Each one is compared with the measured weather at the station.

Never edited

Nobody, including us, can change a forecast after the fact.

Want to know more?

We are happy to talk about verification for your stations, sensor integration or a study of your own.

Get in touch

Weather information on this site is advisory and must not be used for safety-critical decisions.