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The snow gauge suffers from the same problem as that of the rain gauge when conditions are windy. If the wind is strong enough, then the snow may be blown across the wind gauge, and the amount of snow fallen will be under-reported. However, due to the shape and size of the funnel, this is a minor problem.
A snow pillow is a device for measuring snowpack, especially for automated reporting stations such as SNOTEL. The snow pillow measures the water equivalent of the snow pack based on hydrostatic pressure created by overlying snow. [ 1 ]
The liquid equivalent of snowfall may be evaluated using a snow gauge [31] or with a standard rain gauge, adjusted for winter by removal of a funnel and inner cylinder. [32] Both types of gauges melt the accumulated snow and report the amount of water collected. [33]
The same SNOTEL site in Nevada. The large panel in the foreground is the snow pillow. Basic SNOTEL sites have a pressure sensing snow pillow, storage precipitation gauge, and air temperature sensor. However, they can accommodate 64 channels of data and will accept analog and parallel or serial digital sensors.
According to department’s closely-watched index of rain and snow gauges, the Central Sierra registered at 77% of average last Thursday. On Monday morning, the Central Sierra registered the snow ...
Snow water equivalent (SWE) is the depth of water that would result if the snow mass melted completely, whether over a given region or a confined snow plot, calculated as the product of the snow height in meters times the vertically-integrated density in kilograms per cubic meter.
Unlike hail or sleet, graupel is soft and can be crushed easily in your hand, and is sometimes called "soft hail." It is also usually smaller than hail, with a diameter of around 0.08-0.2 inches.
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