Everyone from amateur weather watchers to professional meteorologists love Kestrel Meters. With this kind of data provided by Kestrel meters at your fingertips, the possibilities are limitless. Many professional meteorologists use their Kestrel Meters for field reports, while amateurs may make their own observations and predictions, then compare them to those made by professionals. Storm chasers rely on Kestrels for accurate and reliable readings at all times. The most popular choices for weather pros and amateurs alike are the 4000 and 4500.