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This same classification is also used by the National Weather Service. The National Weather Service of Quad Cities use a modified EF scale wording, which gives a new term for each rating on the scale, going from weak to catastrophic. [55] The table shows other variations of the tornado rating classifications based on certain areas.
Severe weather statement SVS – A statement issued to provide updated information for active severe thunderstorm and tornado warnings to the public and emergency managers, with revised information including reports of observed severe weather and the approximate location of the storm cell (as indicated by the most recently updated NEXRAD data ...
Now, normally: either VHF or UHF; HF communications avionics are usually abbreviated simply HF CORSIA Carbon Offsetting and Reduction Scheme for International Aviation: COTS Commercial off-the-shelf: CPA Closest point of approach CPDLC controller–pilot data link communications: CPR Changed product rule EASA: CPS Cycles per second CRD
This classification provides an efficient way to describe climatic conditions defined by temperature and precipitation and their seasonality with a single metric. Because climatic conditions identified by the Köppen classification are ecologically relevant, it has been widely used to map the geographic distribution of long-term climate and ...
The lowest classification used by the Typhoon Committee is a tropical depression, which has 10-minute sustained winds of less than 34 kn (17 m/s; 39 mph; 63 km/h). [8] Should the tropical depression intensify further it is named and classified as a tropical storm, which has winds speeds between 34–47 kn (17–24 m/s; 39–54 mph; 63–87 km/h ...
To delineate "hot desert climates" from "cold desert climates", a mean annual temperature of 18 °C (64.4 °F) is used as an isotherm so that a location with a BW type climate with the appropriate temperature above this isotherm is classified as "hot arid subtype" (BWh), and a location with the appropriate temperature below the isotherm is ...
There are two types of polar climate: ET, or tundra climate; and EF, or ice cap climate. A tundra climate is characterized by having at least one month whose average temperature is above 0 °C (32 °F), while an ice cap climate has no months averaging above 0 °C (32 °F). [ 2 ]
They all crystallize in the hexagonal close-packed structure at room temperature, [32] and rutherfordium is expected to do the same. [33] At high temperatures, titanium, zirconium, and hafnium transform to a body-centered cubic structure. While they are better conductors of heat and electricity than their group 3 predecessors, they are still ...