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In the Southern United States, where severe winter weather is much less common and any snow is a more significant event, warning criteria are lower, as low as one inch (2.5 cm) in the southernmost areas: as one goes from north to south, the accumulation estimates needed to meet warning criteria lessen. A warning can also be issued during high ...
The symbol is attested in the Huld Manuscript, collected in Iceland by Geir Vigfusson in Akureyri in 1860, [1] and does not have any earlier attestations. [ citation needed ] A leaf of the manuscript provides an image of the vegvísir , gives its name, and, in prose, declares that "if this sign is carried, one will never lose one's way in ...
Snow develops in clouds that themselves are part of a larger weather system. The physics of snow crystal development in clouds results from a complex set of variables that include moisture content and temperatures. The resulting shapes of the falling and fallen crystals can be classified into a number of basic shapes and combinations thereof.
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 present weather symbol depicts the current weather which normally is obstructing the visibility at the time of observation. The visibility itself is shown as a number, in statute miles in the United States and meters elsewhere, describing how far the observer can see at that time. This number is located to the left of the present weather ...
Miscellaneous Symbols is a Unicode block (U+2600–U+26FF) containing glyphs representing concepts from a variety of categories: astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.
Weather Glossary, G. The Weather Channel, accessed September 12, 2006. All About Snow Archived 2014-02-21 at the Wayback Machine. National Snow and Ice Data Center (NSIDC), accessed September 12, 2006. Terms used by meteorologists, forecasters, weather observers, and in weather forecasts. National Oceanic and Atmospheric Administration (NOAA ...
There has been a widespread covering of snow on the ground - 40% of stations in the UK reporting snow settling at 9am on Christmas Day - only four times in 1981, 1995, 2009 and 2010. The last ...