Storm-Radar

Weather alerts live – official warnings worldwide on the map

Weather alerts are the earliest official stage before severe weather becomes visible. Our map bundles these messages worldwide: at a glance you see where authorities warn of heavy rain, storms, thunderstorms, snow or extreme heat – and how serious the situation is assessed.

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01Understanding warning levels – what yellow, orange and red mean

Official weather warnings in most countries follow a three-level scheme. Yellow signals: it could become dangerous – inform yourself and plan ahead. Orange means: danger to people and property – reduce time outdoors and secure loose items. Red stands for exceptional weather events with high damage potential.

Important: a yellow warning is not a panic alert, but not a marginal phenomenon either. Many accidents happen because yellow warnings are ignored, even though local effects – such as hillside runoff or storm gusts in thunderstorm fronts – already deserve serious attention. The map helps you see spatially whether your area is affected or only neighboring regions.

Click a marked region to see details on the warning type. Combine the view with the rain radar and thunderstorm radar: warnings say something can happen – radar maps show whether the threat is already developing.

02How to read the map in 10 seconds

Color

Warning level

Yellow, orange and red mark severity. The stronger the color, the faster you should act – not just stay informed.

Region

Affected area

Warnings apply to areas, not always your exact address. Zoom in enough to spot edge locations.

Time

Today and tomorrow

Filter by time period: a warning for tomorrow can still be lifted today – check regularly.

03Weather warnings in Germany – DWD and regional differences

In Germany the Deutscher Wetterdienst (DWD) issues weather warnings. Typical events are heavy rain with flood risk, severe storm gusts, hail, prolonged rain, ice, snow drifts and extreme heat. The warning refers to districts or warning zones – it does not always match your town exactly.

Especially in summer many warnings arise from convection: individual thunderstorm cells can trigger local heavy rain and storm gusts while a few kilometers away it stays dry. In autumn and winter wind and snow warnings often dominate. The map shows whether you are inside a larger weather pattern or only at the edge of a system.

For travel within Europe each country has its own national weather service. Our worldwide view is especially useful when you cross borders and want to follow warnings in neighboring countries.

04Weather alert or radar – which map when?

Warnings are official assessments based on models, measurements and meteorologists' experience. Radar maps show the current or recently measured state of the atmosphere. Both complement each other: a warning with no visible rain on the radar can mean the severe weather is still 1–3 hours away. Conversely, intense radar reflectivity can occur before a formal warning is issued – rare, but possible with very fast-growing cells.

Practical rule: when uncertain, start with the alerts map. Switch to rain or thunderstorm radar to see direction and intensity. Wind and wind-gust layers show whether storm fronts support the warning. That way you build a situation picture instead of looking at a single color only.

05How to respond to weather warnings

Yellow warning: review outdoor appointments, keep an eye on the weather, inform children and vulnerable people. Orange: secure garden furniture, close windows, postpone trips if possible, know shelter options. Red: avoid being outdoors, check emergency supplies (flashlight, water, medication), follow public guidance from authorities.

Never underestimate the combination of warning and radar map. Heavy rain can flood roads in minutes. Storm gusts hit with little lead time. The map does not replace official information – it only makes it faster to access and easier to grasp spatially.

06Advance warning for today, tomorrow and the coming days

Using the map time control you can display warnings for different periods – depending on data availability. That helps plan travel, events or harvest work. A warning for tomorrow can disappear today if weather models adjust – so check regularly, do not fix plans once the day before.

For Germany the BBK warning app NINA supplements general hazard situations with push messages. The combination of interactive map and push alerts on your smartphone is a robust foundation – especially at night or on the go.

07What to do during weather alerts

  • Yellow: Review outdoor plans, follow the weather situation, inform family members.

  • Orange: Secure loose items, reduce time outdoors, know where to take shelter.

  • Red: Avoid unnecessary travel, seek shelter in buildings, follow official guidance.

  • Combination: Alerts plus rain or thunderstorm radar give a complete situation picture.

Frequently asked questions

What is the difference between a weather warning and a severe weather warning?+
In everyday language both are often used interchangeably. Technically, “weather warning” covers all official warnings – including frost, ice and heat. “Severe weather” refers more strongly to convective or stormy events such as thunderstorms, heavy rain and storm gusts.
How current are the warnings on the map?+
The display is based on official warning systems integrated via Windy. After a warning is issued it should usually appear on the map within a few minutes. In extremely dynamic situations regular checks pay off.
Why do I see a warning but no rain on the radar?+
Warnings can be forecasts for the coming hours. The severe weather is then still on its way or only forming. Check direction of movement on the rain radar and the timelapse.
Does a warning apply to my exact address?+
Warnings refer to administrative or meteorological areas – often districts. Your location may be on the edge or just outside. Zoom on the map and compare with official DWD maps if unsure.
What to do during a red weather warning?+
Avoid unnecessary travel, seek shelter in buildings, keep emergency routes clear, listen for announcements and official guidance. Inform family members and check whether neighbors need help.
Can I see weather warnings for other countries?+
Yes. The map is global. Zoom to the region you want or pan the view. The national warning systems of the affected country apply in each case.