The Weather Critical Operations business area serves customers in airports, roads, defense and wind energy markets. It provides products and solutions to support customers in their operational decision making under any weather conditions. Accurate, real-time, uninterrupted and reliable weather data is the cornerstone of efficient operations for its customers.

At airports Vaisala provides weather observations offering to support decision making in improving the efficiency, safety and environmental compatibility of airport operations.

Road authorities benefit from Vaisala's weather observation products and solutions to ensure safety, and to optimize the efficiency of traffic management and road maintenance operations.

Vaisala weather observation products and systems are used in defense weather observation applications.

Wind energy is a new market segment that Vaisala will enter. The segment scope includes site surveys, wind park operations and wind turbine applications.