The Severe Weather API provides information on adverse and severe weather conditions forecast for any location worldwide. All information is provided in GeoJSON format making the affected areas simple to visualize on maps or to use as part of other location-based services. Active severe weather alerts can also be requested for any point location by using them as an extension to the Vaisala Weather API.
The API creates alerts when there are severe weather events detected in the forecast for the area in question. A severe weather event means the weather is not typical for a certain area, or it is exceptionally intense in relation to the normal weather conditions in the area.
The service covers the following severe weather Events:
The significance of weather phenomena is classified by using color codes (yellow, orange, red) which are in relation to possible harmfulness for people and property. Severe Weather events are defined by differing thresholds taking into consideration what is normal, rare, exceptional or harmful weather in different countries and areas worldwide.
The service can be used to inform people about severe weather events during the upcoming hours and days.
The API returns the following information based on forecasts: