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"Chinook" is used for coastal Chinook winds in British Columbia, and is the original use of the term, being rooted in the lore of coastal natives and immigrants, and brought to Alberta by French-speaking fur-traders. [1] [9] Such winds are extremely wet and warm and arrive off the western coast of North America from the southwest.
The winds that result are often gusty and can also create dramatic temperature changes by pushing away cold air at lower elevations. One of the most extreme examples of warming from a chinook ...
In the Great Plains of the United States, these winds are known as a chinook. Downslope winds also occur in the foothills of the Appalachian mountains of the United States, [57] and they can be as strong as other downslope winds [58] and unusual compared to other foehn winds in that the relative humidity typically changes little due to the ...
Jan. 23—Chinook winds blew through Southcentral Alaska on Friday and Saturday, bringing unseasonably warm weather, slush, ice and rain to Anchorage and surrounding areas.
How Chinook Winds Made The Temperature Jump 30 Degrees In One Hour In Boulder, Colorado. Temperatures in Boulder, Colorado, skyrocketed by almost 30 degrees in only one hour on Wednesday because ...
If the mountain waves break aloft, they can result in strong warm winds at the ground known as Chinook winds (in North America) or Foehn winds (in Europe). If generated in the ocean by tidal flow over submarine ridges or the continental shelf, they are called internal tides.
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.
Overnight temperatures on the Montana Hi-line are forecast to drop as low as -30 by Saturday morning. Great Falls will see gusty Chinook winds on Tuesday followed by snow and bone chilling cold.