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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 ...
Extreme wind warning EWW – An extreme wind event producing sustained surface winds of 100 knots (120 mph; 190 km/h) or greater, associated with the eyewall of a major hurricane (Category 3 or higher on the Saffir-Simpson Scale), non-convective winds, downslope winds or a derecho is occurring or expected to occur in the specified coastal or ...
Named heat waves are warm weather events that have been designated with a nickname due to their historical significance. Extreme heat is recognized as a natural phenomenon that poses severe risks to human health , and the likelihood of such incidents has increased due to the effects of climate change .
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. A heat wave is usually measured relative to the usual climate in the area and to normal temperatures for the season. [ 2 ]
Tyler Amucha takes a break from skateboarding to hydrate at Shaw Skate Park in Washington, D.C., on June 19. Much of the Northeast is experiencing a heat wave, with temperatures in the high 90s.
Highest dew point temperature: A dew point of 35 °C (95 °F) — while the temperature was 42 °C (108 °F) — was observed at Dhahran, Saudi Arabia, at 3:00 p.m. on 8 July 2003. [201] Highest heat index: In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F). [201]
Extreme heat can cause roof shingles to curl, crack, or even fall off, says Derek Perzylo, co-owner of Big 5 Exteriors Ltd., an exterior services contractor in Calgary. When it’s hot, the ...
Fight the extreme heat with this $30 cooling neck fan: 'Best thing ever for hot flashes and summer' These night lights become flashlights during power outages You can save big on gas during ...