Road Weather Information Systems for All Seasons

Weather responsive traffic management helps you make well informed operational decisions to keep you road network safe and traffic flow optimal - even in the most extreme weather conditions.

Weather Impacts Surface Transportation in Many Ways

How to be proactive when facing unpredictable and extreme weather conditions?

Managing Winter Road Conditions

Monitoring the current conditions on roadways nearby and remote motorways is critical to performing winter maintenance operations. Ministries of transportation, departments of transportation, cities, counties, and townships all have a need to monitor road...

Foggy highway

Low Visibility

For vehicles a major concern is low visibility caused by fog, blowing snow and sand. The biggest problem with visibility issues is that they are typically very localized, which means drivers approach areas quickly and with little warning. The good news is...

Road Closed due to Flooding

Flooding and High Water

To get the most out of an RWIS network a year round approach should be considered. One condition to consider is high water or flooding. New or existing RWIS sites can be placed in areas prone to water over the roadway during times of heavy rain. Sensors on...

Rainy highway

High Winds

High winds can cause numerous problems for surface transportation. They can cause a danger to the vehicles themselves, especially high profile vehicles, such as trucks and vans. Vaisala RWIS stations can provide precise wind speed and direction...

Road in sand storm

Sand Storms

Roadways cross nearly every climate on this earth, and a road through a desert is no exception.  Although deserts see far less precipitation and “weather” than other climates, they do have one very real danger – sand storms.  When strong winds are produced...

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How advancements in computer vision and wireless communication are changing the way we manage transportation infrastructure The speed at which...
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Climate Data

Annual weather statistics at a glance
Based on measurements at official weather observation sites, the climate data tables offer accurate information...

Road Weather Data

The driving condition forecasts
The Road Weather data API provides real-time calculated driving condition forecasts to any coordinate...
Radars and Different Operational Applications

Severe Weather API

Adverse and severe weather conditions
The Severe Weather API provides information on adverse and severe weather conditions forecast for any location...

Weather API

Global point weather forecasts available through coordinate or place name queries
The Weather API delivers quality weather forecasts to every...

Weather File Feed

Weather data delivered as XML or delimited ASCII format file feed
Raw weather data batch files contain forecasts and current conditions updated on a...

Weather History

Historical Weather Observations
If you want to know what the weather was in a certain location at a certain date in the past, the Weather...

Weather Map API

Weather Maps for Location based services and applications
Weather Map API provides weather forecasts and observations as map overlays worldwide...

Weather Notification API

Set and receive push-notifications based on weather forecasts
The Weather Notifications API enables you to set weather-driven push notifications...

Weather Warnings

Unified governmental warnings
Weather warnings issued by governmental institutions in various countries worldwide are gathered into our database and...