Search results
Results from the WOW.Com Content Network
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 ...
A high pressure system in the upper atmosphere traps heat near the ground, forming a heat wave (for North America in this example). A heat wave or heatwave, sometimes described as extreme heat, is a period of abnormally hot weather [1]: 2911 generally considered to be at least five consecutive days.
Sirocco winds with speeds of up to 100 km/h (62 mph; 54 kn) are most common during autumn and spring. They reach a peak in March and in November when it is very hot. When combined with a rising tide, the sirocco can cause the acqua alta phenomenon in the Venetian Lagoon. This wind also has an impact on fishing.
Make sure you check the forecast and stay up to date on the evolving situation when it comes to the potential for winter weather. And stay off the roads if your area has the chance of icy conditions.
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.
This summer's heat might be a big factor: About three-quarters of Americans (74%) say they’ve been affected by extremely hot weather or extreme heat waves in the last five years, up from 55% in ...
The start of July will be scorching hot in parts of California as a long-duration heat wave unfolds, sending temperatures past 110 degrees Fahrenheit in the hottest cities. A heat dome will bring ...
Extreme weather describes unusual weather events that are at the extremes of the historical distribution for a given area. [2]: 2908 The IPCC Sixth Assessment Report defines an extreme weather event as follows: "An event that is rare at a particular place and time of year. Definitions of 'rare' vary, but an extreme weather event would normally ...