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Tropical storm watch TRA – Tropical storm conditions (gale- and storm-force sustained winds of 34 to 63 knots [39 to 72 mph; 63 to 117 km/h]) are possible within the specified coastal or inland area within 48 hours in advance of the forecast onset of tropical-storm-force winds. These winds may be accompanied by storm surge, and coastal and/or ...
Capping inversion (cap); Center for Analysis and Prediction of Storms (CAPS); Center for Severe Weather Research (CSWR); Chaser convention – Originally it referred to serendipitous meeting of chasers in the field akin to "chaser convergence", but now it mostly refers to the National Storm Chasers Convention Archived 2013-06-22 at the Wayback Machine held annually in the Denver, Colorado area.
Also actiniform. Describing a collection of low-lying, radially structured clouds with distinct shapes (resembling leaves or wheels in satellite imagery), and typically organized in extensive mesoscale fields over marine environments. They are closely related to and sometimes considered a variant of stratocumulus clouds. actinometer A scientific instrument used to measure the heating power of ...
The National Weather Service (NWS) may issue a winter storm watch, warning or advisory ahead of the storm so you can anticipate the impacts. The criteria for these warnings to be issued will vary ...
You've probably heard the phrase "the calm before the storm" used to describe a great many things. The moment of quiet before a bunch of 5-year-olds arrive for a birthday party, for example, or ...
When this occurs in the context of a winter storm, it can make for an icy mess. When warm air is present higher in the atmosphere (or at least warmer than freezing), the raindrop falls as rain.
Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.
Cyclone vs. hurricane vs. typhoon: These are all terms used to name the same type of tropical storms, it just depends what ocean the storm is in. In the Atlantic and Eastern Pacific Ocean, a storm ...