The Four Types of Air Mass

The Four Types of Air Mass

It may look like a map of the art museum or the subway, but it’s actually a map of the weather. Actually, those colored shapes provide information about weather conditions, and specifically air masses. An air mass is a large section of air with a fairly consistent humidity and temperature. Air Mass Definition An air…

Isolated vs Scattered vs Widespread Thunderstorms: What Do Rain Forecasts Mean?

Isolated vs Scattered vs Widespread Thunderstorms: What Do Rain Forecasts Mean?

The meaning of the words isolated, scattered and widespread is a common source of confusion in weather forecasting. Let’s clear the air. National Weather Service Terms These terms are based on the work of the National Weather Service (NWS). The precipitation probability or probability of precipitation (POP), refers to how likely it is that measurable…