After a few days of very cold temperatures and wind chills below or near 0F, a gradual warm up is expected to take place ...

High pressure often represents stable air, while low pressure can signify instability ... pressure than when a big storm is moving in on a hot and humid day. But the density of the atmosphere ...

A bomb cyclone is a low-pressure system that drops in pressure by 24 millibars within 24 hours. Here's what Washingtonians ...

A s we First Alerted you to last week, a strong low pressure system will bring significant changes to the thermometer this ...

Warm air then rapidly rises, creating low pressure. This leads to condensation and the development of large towering clouds and torrential rain. As warm moist air moves in to replace the rising ...