---
title: Met Office National Severe Weather Warning Service
summary: The United Kingdom's impact-based warnings.
mount: <div class="card"><p class="kicker">Warning services</p><div class="wx-scroll" tabindex="0"><svg class="mg" viewBox="0 0 994 136" width="994" height="136" role="img" aria-label="Met Office National Severe Weather Warning Service: what it is connected to"><style>.mg text{font:12px var(--sans);fill:var(--ink)}.mg .mg-sub,.mg .mg-verb{font-size:10px;fill:var(--ink-2)}.mg-node rect{fill:var(--surface);stroke:var(--line-2)}.mg-node.me rect{stroke:var(--focus);stroke-width:2}.mg-node.unstated rect{stroke-dasharray:2 3;fill:var(--paper)}a.mg-node:hover rect,a.mg-node:focus rect{stroke:var(--focus);stroke-width:2}.mg-edge{fill:none;stroke:var(--ink-2);stroke-opacity:.55;stroke-width:1}.mg-edge.unv{stroke-dasharray:5 4}</style><path class="mg-edge" d="M232 23C306 23 306 68 380 68"><title>stated on the page: eumetnet.eu</title></path><text class="mg-verb" x="240" y="19" text-anchor="start">aggregates</text><a class="mg-node " href="svc-meteoalarm.html"><rect x="2" y="8" width="230" height="30" rx="4"/><text x="9" y="21">MeteoAlarm</text><text class="mg-sub" x="9" y="33">Warning services</text></a><path class="mg-edge" d="M232 63C306 63 306 68 380 68"><title>stated on the page: metoffice.gov.uk</title></path><text class="mg-verb" x="240" y="59" text-anchor="start">issues</text><a class="mg-node " href="body-metoffice.html"><rect x="2" y="48" width="230" height="30" rx="4"/><text x="9" y="61">Met Office</text><text class="mg-sub" x="9" y="73">Bodies</text></a><path class="mg-edge" d="M232 103C306 103 306 68 380 68"><title>stated on the page: bbc.com</title></path><text class="mg-verb" x="240" y="99" text-anchor="start">visualises</text><a class="mg-node " href="site-bbc-weather.html"><rect x="2" y="88" width="230" height="30" rx="4"/><text x="9" y="101">BBC Weather</text><text class="mg-sub" x="9" y="113">Sites and apps</text></a><g class="mg-node me"><rect x="380" y="53" width="230" height="30" rx="4"/><text x="387" y="66">Met Office National Severe Weather…</text><text class="mg-sub" x="387" y="78">Warning services</text></g></svg></div><p class="wx-legend meta">Left: what points at it. Right: what it points at. Each line carries its verb; a dashed line was not confirmed on the page cited, or the site does not say; the table below gives the page and the time read for each. <span class="prov">From <a href="svc-metoffice-nswws.json">svc-metoffice-nswws.json</a></span></p></div>
---
# Met Office National Severe Weather Warning Service

> Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC

[Where a forecast comes from](../index.md) · Warning services · id `svc-metoffice-nswws` · [as data](svc-metoffice-nswws.json)

The United Kingdom's impact-based warnings.

**Address:** [https://www.metoffice.gov.uk/weather/warnings-and-advice/uk-warnings](https://www.metoffice.gov.uk/weather/warnings-and-advice/uk-warnings) (leaves this site)

## What it is connected to, and who says so

| This | Verb | That | The page that says so | Read | Check |
|---|---|---|---|---|---|
| Met Office National Severe Weather Warning Service | **aggregated by** | [MeteoAlarm](svc-meteoalarm.md) | [eumetnet.eu](https://www.eumetnet.eu/): "this initiative. More details can be found here: (link) METEOALARM Website 38 European National Meteorological Services contribute to the consistent visualisation of weather awareness information, thereby ensuring cohere" *EUMETNET's own description of MeteoAlarm; which service feeds which country's feed is at feeds.meteoalarm.org (mapped by incident.sources@).* | 11:28 UTC, 11 Nov | stated on the page |
| Met Office National Severe Weather Warning Service | **issued by** | [Met Office](body-metoffice.md) | [metoffice.gov.uk](https://www.metoffice.gov.uk/weather/guides/warnings): "UK weather events Weather How forecasts are made Met Office for Schools Weather warnings guide A guide to the National Severe Weather Warning Service As the UK's official weather service, the Met Office is responsible fo" | 11:28 UTC, 11 Nov | stated on the page |
| Met Office National Severe Weather Warning Service | **visualised by** | [BBC Weather](site-bbc-weather.md) | [bbc.com](https://www.bbc.com/weather/2267057): "Weather Search for a location Search Search for a location Lisbon - Weather warnings issued 14-day forecast Red Met Office Weather Warnings Amber Met Office Weather Warnings Yellow Met Office Weather Warnings Forecast - " | 11:29 UTC, 11 Nov | stated on the page |

## Licence: what we may do with it

**Met Office (UK)**: Open Government Licence v3.0 for website material; data products under their own terms ([metoffice.gov.uk](https://www.metoffice.gov.uk/policies/legal), read 11:30 UTC, 11 Nov, stated on the page).

| Read | Store | Show | Transform | Attribution |
|---|---|---|---|---|
| yes | yes for OGL material | yes, with attribution | yes for OGL material; unclear for DataHub products | "Contains public sector information licensed under the Open Government Licence v3.0", Met Office named. |

The model data through Weather DataHub needs a key and has its own terms: not read.


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Not a warning service: this page explains where data comes from. For warnings follow [IPMA](https://www.ipma.pt/pt/otempo/prev-sam/) and ANEPC.