---
title: Surface weather stations (SYNOP)
summary: Staffed and automatic stations on land reporting pressure, wind, temperature, humidity and rain at fixed hours; exchanged between countries through the WMO Global Observing System.
mount: <div class="card"><p class="kicker">Observing systems</p><div class="wx-scroll" tabindex="0"><svg class="mg" viewBox="0 0 994 176" width="994" height="176" role="img" aria-label="Surface weather stations (SYNOP): 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 88 380 88"><title>stated on the page: ecmwf.int</title></path><text class="mg-verb" x="240" y="19" text-anchor="start">assimilates</text><a class="mg-node " href="model-ecmwf-ifs.html"><rect x="2" y="8" width="230" height="30" rx="4"/><text x="9" y="21">ECMWF IFS</text><text class="mg-sub" x="9" y="33">Models</text></a><path class="mg-edge" d="M232 63C306 63 306 88 380 88"><title>stated on the page: ncei.noaa.gov</title></path><text class="mg-verb" x="240" y="59" text-anchor="start">assimilates</text><a class="mg-node " href="model-gfs.html"><rect x="2" y="48" width="230" height="30" rx="4"/><text x="9" y="61">GFS (NOAA/NCEP)</text><text class="mg-sub" x="9" y="73">Models</text></a><path class="mg-edge" d="M232 103C306 103 306 88 380 88"><title>stated on the page: wmo.int</title></path><text class="mg-verb" x="240" y="99" text-anchor="start">coordinates</text><a class="mg-node " href="body-wmo.html"><rect x="2" y="88" width="230" height="30" rx="4"/><text x="9" y="101">World Meteorological Organization</text><text class="mg-sub" x="9" y="113">Bodies</text></a><path class="mg-edge" d="M232 143C306 143 306 88 380 88"><title>stated on the page: ogimet.com</title></path><text class="mg-verb" x="240" y="139" text-anchor="start">redistributes</text><a class="mg-node " href="site-ogimet.html"><rect x="2" y="128" width="230" height="30" rx="4"/><text x="9" y="141">OGIMET</text><text class="mg-sub" x="9" y="153">Sites and apps</text></a><g class="mg-node me"><rect x="380" y="73" width="230" height="30" rx="4"/><text x="387" y="86">Surface weather stations (SYNOP)</text><text class="mg-sub" x="387" y="98">Observing systems</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="obs-surface-stations.json">obs-surface-stations.json</a></span></p></div>
---
# Surface weather stations (SYNOP)

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

[Where a forecast comes from](../index.md) · Observing systems · id `obs-surface-stations` · [as data](obs-surface-stations.json)

Staffed and automatic stations on land reporting pressure, wind, temperature, humidity and rain at fixed hours; exchanged between countries through the WMO Global Observing System.

**Address:** [https://community.wmo.int/en/programmes/global-observing-system](https://community.wmo.int/en/programmes/global-observing-system) (leaves this site)

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

| This | Verb | That | The page that says so | Read | Check |
|---|---|---|---|---|---|
| Surface weather stations (SYNOP) | **assimilated by** | [ECMWF IFS](model-ecmwf-ifs.md) | [ecmwf.int](https://www.ecmwf.int/en/about/media-centre/focus/2020/fact-sheet-earth-system-data-assimilation): "observations reflect conditions at the location of the instrument. Such in-situ measurements come for example from weather stations, aircraft, radiosondes, ships or buoys. Other observations are based on remote sensing, " | 11:28 UTC, 11 Nov | stated on the page |
| Surface weather stations (SYNOP) | **assimilated by** | [GFS (NOAA/NCEP)](model-gfs.md) | [ncei.noaa.gov](https://www.ncei.noaa.gov/products/weather-climate-models/global-data-assimilation): "(IEEE) binary Output Data Format World Meteorological Organization (WMO) Gridded Binary (GRIB) Observation Types Surface Balloon Wind Profiler Aircraft Reports Buoy Radar Satellite Related News May 20, 2026 Rhode Island " | 11:28 UTC, 11 Nov | stated on the page |
| Surface weather stations (SYNOP) | **is what World Meteorological Organization coordinates** | [World Meteorological Organization](body-wmo.md) | [wmo.int](https://wmo.int/activities/global-observing-system-gos): "Global Observing System (GOS) Skip to main content Weather Climate Water Select your language English عربي 中文 Français Русский Español عربي 中文 English Français Русский Español" *WMO coordinates; the stations belong to each country's service.* | 11:28 UTC, 11 Nov | stated on the page |
| Surface weather stations (SYNOP) | **redistributed by** | [OGIMET](site-ogimet.md) | [ogimet.com](https://www.ogimet.com/index.phtml.en): "Weather Information Service provided by www.ogimet.com . It uses freely available data from the net, mainly from NOAA , and it uses Open Software to process it. The goal of this site is to provide data on current weather" *Ogimet says it uses data publicly available through NOAA.* | 11:29 UTC, 11 Nov | stated on the page |

## Licence: what we may do with it

No licence row yet covers this node: **unclear** until one does. [The licence table](../licences.md).

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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.