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Kona Low over Hawaii, an example of a cut-off low from the main core of the jet stream. [1]A cut-off low (or cutoff low), sometimes referred to as the weatherman's woe, is defined by the National Weather Service as "a closed upper-level low which has become completely displaced (cut off) from basic westerly current, and moves independently of that current."
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 . Low-pressure areas are commonly associated with inclement weather (such as cloudy, windy, with possible rain or storms), [ 1 ] while high-pressure areas are ...
Precisely this situation occurred over the southern United States during late spring and early summer of 2007, when a cut-off-low system hovering over the region brought unusually cool temperatures and an extraordinary amount of rain to Texas and Oklahoma (see June 2007 Texas flooding), and a cut-off-high near the coast of Georgia that caused a ...
Such centers are the Icelandic Low, the Aleutian Low and numerous lows near the coast of Antarctica. [ 9 ] Finally, in both hemispheres, there are centers of action inland in large continental zones where cold or warm air can be trapped by surrounding mountainous zones or high contrast or temperature by surrounding seas.
Kona lows, most extratropical cyclones, and tropical upper tropospheric cyclones are cold core lows. In the eastern half of the north Pacific Ocean and north Indian Ocean, the formation of a weak circulation underneath a mid to upper-tropospheric low which has cut off from the main belt of the westerlies during the cold season is called a subtropical cyclone.
The last big cuts at Meta came in 2023, when the company cut about 10,000 positions in a cost-cutting drive after Mr Zuckerberg declared it the "year of efficiency". It cut about 11,000 roles in 2022.
The low-level convergence caused by the cut-off low can trigger squall lines and rough seas, and the low-level spiral cloud bands caused by the upper level circulation are parallel to the low-level wind direction. [2] This has also been witnessed with upper level lows which occur at higher latitudes.
At the beginning of the day, things looked really ugly for the stock market. With the Dow Jones Industrials (INDEX: ^DJI) down more than 225 points shortly after the market opened, fear about what ...