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A low-pressure system over Iceland. In meteorology, a low-pressure area, low area or low is a region where the atmospheric pressure is lower than that of surrounding locations. It is the opposite of a high-pressure area.
A low-pressure area is a region where the atmospheric pressure at sea level is below that of surrounding locations. Low-pressure systems form under areas of wind divergence that occur in the upper levels of the troposphere. [1] The formation process of a low-pressure area is known as cyclogenesis. [2]
One type of intense surface low-pressure system you might have heard of before is a "bomb cyclone". Surface lows in combination with their fronts create lift in the atmosphere, which means when ...
Average trajectory of a clipper. An Alberta clipper, also known as an Alberta low, Alberta cyclone, Alberta lee cyclone, Canadian clipper, or simply clipper, is a fast-moving low-pressure system that originates in or near the Canadian province of Alberta just east of the Rocky Mountains and tracks east-southeastward across southern Canada and the northern United States to the North Atlantic Ocean.
Before the main low-pressure center took over, the first low-pressure system caused significant snowfall across the Great Lakes. Feb. 4-7, 2010: Snowmageddon.
A low-pressure system developed on March 12th along a nearly stationary front along the Gulf Coast. ... the system’s barometric pressure dropped to as low as 960 mb, which is the equivalent of a ...
A trough is an elongated region of relatively low atmospheric pressure without a closed isobaric contour that would define it as a low pressure area. Since low pressure implies a low height on a pressure surface, troughs and ridges refer to features in an identical sense as those on a topographic map. Troughs may be at the surface, or aloft, at ...
The National Hurricane Center is monitoring a low pressure system off the NC coast and four other tropical disturbances.