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There is also a probability of precipitation for every location in the United States for every minute for the next two hours. This is also known as a minute-cast. This is also known as a minute-cast. The Weather Channel 's definition may include precipitation amounts below 0.01 inch (0.254 mm) and includes the chance of precipitation 3 hours ...
This method has been used for years within National Weather Service forecasts, as a period's chance of rain equals the chance that 0.01 inches (0.25 mm) will fall in any particular spot. [16] In this case, it is known as probability of precipitation. These probabilities can be derived from a deterministic forecast using computer post-processing.
It remains a useful method of observing rainfall over data voids such as oceans, [78] as well as the forecasting of precipitation amounts and distribution in the future. A similar technique is used in medium range forecasting, which is known as teleconnections, when systems in other locations are used to help pin down the location of another ...
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In two locations on the same night, the storm that hit the Northeast this weekend dumped rain at or near rates that should only be expected once in 1,000 years. On one night, two places in the ...
Rainfall in these regions averages between 300 and 600 millimeters (11.8 and 23.6 in) per year, with lower amounts across Baja California Norte. Average rainfall totals are between 600 and 1,000 millimeters (23.6 and 39.4 in) in most of the major populated areas of the southern altiplano, including Mexico City and Guadalajara.