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The scale of dBZ values can be seen along the bottom of the image. dBZ is a logarithmic dimensionless technical unit used in radar.It is mostly used in weather radar, to compare the equivalent reflectivity factor (Z) of a remote object (in mm 6 per m 3) to the return of a droplet of rain with a diameter of 1 mm (1 mm 6 per m 3). [1]
Storms packing rain, mountain snow to invade California, southwestern US. Alex Sosnowski. March 4, 2025 at 2:52 PM ... From several inches to a couple of feet of snow can fall on the passes ...
Between a tenth of an inch and an inch of rain is expected for the coastal regions during this week's storm. South-facing mountain slopes could see 1 to 2 inches of rain. Two to 5 inches of snow ...
The storm brought an inch of rain to parts of Southern California and several inches of snow over the region's ... "Cities like Philadelphia have only reported 4.9 inches of snow since Oct. 1 ...
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 ...
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]
The storm delivered an average of an inch of rain to Southern California and several inches of snow over the region's mountains Sun Major cross-country storm to spread snow, rain along 2,600-mile ...
The main forms of precipitation include drizzle, rain, Rain and snow mixed ("sleet" in Commonwealth usage), snow, ice pellets, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity ), so that the water condenses and "precipitates" or falls.