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forming · News and events · Official alerts

Official alerts

Weather, hazard and civil-protection alerts from the issuing authorities. In an emergency, call the local emergency number.

See how items are ranked

iranians.globalOfficial alerts

0 items · 0 sources · ranked by place, freshness, kind of source, completeness and votes

News and events · Official alerts · forming

Official alerts

Weather, hazard and civil-protection alerts from the issuing authorities. In an emergency, call the local emergency number.

See how items are ranked

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Official alerts

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Alerts are shown only live, from the issuing authority, never from a stored copy: a stored alert is out of date within hours. Live alerts appear here when the network's feed service answers. In an emergency, call the local emergency number.

Each alert comes from an approved official source (weather, hazard, civil protection), read on the network's own servers.
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How items are ranked

one formula, published

score = place match (city 1.0, first-level unit 0.9, country 0.8, international 0.6) × freshness (0.2 + 0.8 × 2^(−age ÷ half-life); half-life 72 h for news, 24 h for alerts, 14 days for notices) × kind of source (1.0 for intergovernmental and standards bodies, down to 0.8 for news and industry; official body 0.95) × completeness (title, date, place) × (1 + log10(1 + votes)). Votes rank, they never hide a checked item.

place1.0
freshness.2–1
kind of source.8–1
voteslog
Checked items are never hidden by votes. The same formula runs on every listing of the network.

Sources used

0 approved · licence and attribution on each

No approved source has items for this listing yet.

A source is added only after it has been reviewed and approved. A source with an unclear licence is not used.