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How many inches of snow equals one inch of rain? According to the National Oceanic and Atmospheric Administration, 1 inch of rain equals about 13 inches of snow, although the ratio can vary. By ...
In areas where imperial units are used (primarily the United States), liquid precipitation (rain and drizzle) is measured in intervals of 0.01 inches (0.25 mm), while snow, ice pellets, and most other precipitation types are measured in intervals of 0.1 inches (2.5 mm). [1] Freezing rain is sometimes measured in intervals of 0.1 inches (2.5 mm ...
The heaviest snowfall is expected to occur between 10 a.m. and 6 p.m., with rates reaching about an inch per hour. Total snow accumulations are expected to be between 2-6 inches, with the highest ...
South central Alaska does not get nearly as much rain as the southeast of Alaska, though it does get more snow. On average, Anchorage receives 16 inches (406 mm) of precipitation a year, with around 75 inches (1,905 mm) of snow. The northern coast of the Gulf of Alaska receives up to 150 inches (3,800 mm) of precipitation annually. [7]
Snowfall rates play an important role in winter storm forecasts. Here's a look at some extreme examples from the past that illustrate how much can fall in an hour.
Heavy rain describes rainfall with a precipitation rate above 7.6 millimetres (0.30 in) per hour, and violent rain has a rate more than 50 millimetres (2.0 in) per hour. [11] Snowfall intensity is classified in terms of visibility instead. When the visibility is over 1 kilometre (0.62 mi), snow is determined to be light.
The Mount Shasta California Snowstorm of 1959 – The storm dumped 189 inches (480 cm) of snow on Mount Shasta. The bulk of the snow fell on unpopulated mountainous areas, barely disrupting the residents of the Mount Shasta area. The amount of snow recorded is the largest snowfall from a single storm in North America.
Snow, possibly mixed with rain is expected and the low around 32 degrees. New snow accumulation of less than a half inch possible. Chance of precipitation is 60% with little or no snow ...