Home
Weather Dublin
WeatherRadar
RainfallRadar
TemperatureRadar
WindRadar
LightningRadar
Weather News
Editor's Pick
Discover the app
Weather widget
Contact us
Apps
    Home / Editor's Pick /

    Nowcast: The data fuelling our weather radars

16:00
22 September 2023

Nowcast
The data fuelling our weather radars

Juxtaposed weather conditions

Did you know that you can see lightning strikes as soon as 20 seconds after they occur in Europe on our LightningRadar thanks to Nowcast technology?

Launched in 2022, the LightningRadar visualises shocking lightning strikes as they happen in near-real-time. Perfect for those stormy nights to watch systems as they approach you.

It is, in part, thanks to Nowcast technology, which we have utilised for almost 14 years elsewhere in the app. Including on the WeatherRadar where it plays a vital role in providing accurate, precise data from weather stations to feed our radar.

Nowcast also enables users to enjoy super-precise radars for the immediate future, opening the possibility for 5-minute intervals when scrubbing through the WeatherRadar.

Perfect for gauging what to wear for a quick walk, or to track incoming storm systems that may influence the way you travel.

With Nowcast and the LightningRadar, Weather & Radar can comfortably cover every detail you need to know for the immediate weather situation, with detailed forecasts available for up to 14 days into the future.

This also explains the gap you may have spotted on our radars between 'Now' and 'Today'. The ‘Today’ section of our WeatherRadar is based on two main weather models: the Global Forecasting System (GFS) run by NOAA and the Integrated Forecasting System (IFS) run by ECMWF.

This model information is also used in the WeatherRadar for the coming days including ‘Today’, ‘Tomorrow’ and the two days that follow.

Forecasts for the next 90 minutes in five or 15 minute intervals is known as the “nowcast” period. Current weather patterns are being analysed and a much finer-scale trend is then calculated mathematically in a slightly different way than the longer-range model forecasts.

Weather & Radar editorial team
More on the topic
Turbulence in the eastern Mediterranean. Floods and landslides. . . Friday 2 October 2026
Weather Radar showing a low-pressure system over the eastern Mediterranean
Friday 2 October 2026

Floods and landslides

Turbulence in the eastern Mediterranean
First taste of winter in the Alps. White mountain peaks. . Weather Videos. Friday 25 September 2026
Winter scenery in the Alps along the Großglockner High Alpine Road
Weather VideosFriday 25 September 2026

White mountain peaks

First taste of winter in the Alps
Switch from drought to waterlogged. Ireland's new challenge. . . Thursday 1 October 2026
Split image showing widespread heavy rain across Ireland besid aerial farmland covered by extensive standing floodwater.
Thursday 1 October 2026

Ireland's new challenge

Switch from drought to waterlogged
All weather news
This might also interest you
Bright and warm conditions take hold. Spring-like outlook. . . Thursday 23 April 2026
Split UK map showing warm temperatures up to 21 degrees in orange on the left and clear sunny conditions with temperatures from 12 to 18 degrees on the right, with sun icons across the country.
Thursday 23 April 2026

Spring-like outlook

Bright and warm conditions take hold
Flooding, gales, and heavy snow. Storm Chandra. . . Tuesday 27 January 2026
Split image showing aerial flooding in a town with muddy water covering roads on the left, and a rural road on the right blocked by heavy snowfall with vans stopped and a person walking in snow.
Tuesday 27 January 2026

Storm Chandra

Flooding, gales, and heavy snow
Storm Chandra makes impact. Severe gales & heavy rain. . . Tuesday 27 January 2026
Split image showing strong winds over the UK on a forecast map and widespread rain and snow on a weather radar map.
Tuesday 27 January 2026

Severe gales & heavy rain

Storm Chandra makes impact
All articles
Weather & Radar

Weather & Radar is also available on

Google Play StoreApp Store

Company

Contact us Privacy Policy Legal info Accessibility statement

Services

Uploader

Socials

facebooktwitteryouTubelinkList