The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near ...

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...

Urban drainage systems have increasingly incorporated vortex flow mechanisms to efficiently dissipate hydraulic energy while minimising structural damage and regulating discharge. Vortex drop shafts ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

I believe the single most important factor is that the most accurate flowmeters have a close connection between the operating ...