Yellow Fog Warning for East of England

Source: Met Office · East of England

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The Met Office has issued a yellow warning for fog affecting Cambridgeshire, Essex, Hertfordshire, Norfolk, Southend-on-Sea, Suffolk, and Thurrock from 0300 to 0700 on Saturday, 25 April.

What this Met Office weather warning tells you, and what most readers miss

This notice was issued by Met Office on April 27, 2026 and geographically references East of England. Its severity classification of "low" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Warnings — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly Met Office detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized Met Office weather warning is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, FogWarning, EastOfEngland) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Yellow Fog Warning in East of England

Alert Details

A yellow warning of fog has been issued by the Met Office. It is effective from 0300 to 0700 on Saturday, 25 April.

Affected Areas

The warning affects the following regions in the East of England: Cambridgeshire, Essex, Hertfordshire, Norfolk, Southend-on-Sea, Suffolk, and Thurrock.

What You Should Do

Residents in the affected areas should monitor local weather conditions and follow guidance from the Met Office for safety during foggy periods.

Expected Conditions

Fog is expected, as indicated in the warning.

Timeline

The alert is effective from 0300 to 0700 on Saturday, 25 April.

Original source: Met Office Official Notice ↗

All Weather Warnings →

Frequently Asked Questions

Common questions about this Met Office weather warning.

What is this Met Office weather warning about?
The Met Office has issued a yellow warning for fog affecting Cambridgeshire, Essex, Hertfordshire, Norfolk, Southend-on-Sea, Suffolk, and Thurrock from 0300 to 0700 on Saturday, 25 April.
Which agency issued this alert?
This alert was issued by Met Office. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects East of England. Check with Met Office for the most current geographic scope.
Where can I find more Weather Warnings updates?
Browse the full Weather Warnings feed on Areazine at areazine.com/uk/weather/ for the latest updates from Met Office and other agencies.