Scientists categorize El Niños as weak, moderate, strong, or very strong. With data from buoys and satellites, computer models forecast whether El Niño is likely in the coming months. 

The combination of high humidity and high temperatures can lead to extreme heat and dangerous conditions.

Fast fires are becoming more common. Studying fire speed can aid in managing and preventing fires.

Researchers at NSF NCAR use models to help predict and understand wildfire behavior.

Click around in this interactive story to discover how ground-level ozone pollution forms.

Students analyze an AI-generated interpretation of data about pika behavior in the alpine tundra to understand the impact of temperature on pikas as an indicator species.

Join us for a free webinar to learn how scientists monitor and predict El Niño events.