The mountains will help induce more rain and will funnel the precipitation -- intensifying flooding and causing an even greater risk of mudslides.

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Louis, with the precipitation turning into sleet and freezing rain Thursday.

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Use the free apps to pick a type of precipitation, such as snow, sleet, or rain.

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Such storms produce lightning and rain, but dry air will suck up most of the precipitation before it hits the ground.

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Ice cover loss can influence winds and precipitation on other continents, possibly leading to less rain in the western United States and creating more in Europe.

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The federal National Weather Service's Weather.gov has an even greater "wet bias, " said Forecast Advisor founder Eric Floehr, because it shows precipitation icons when there is just a 20% chance of rain.

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Well as far as the U.S. is concerned, a March 2006 NOAA study published in the Journal of the American Water Resources Association reports that conditions during the twentieth century have become wetter (more precipitation), but less extreme in terms of severe flood-producing hydrological (rain storm) occurrences.

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One way to increase the probability of rain is to seed the formation not of water droplets, but of ice crystals, an important step in precipitation.

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Another inch of rain was expected from the eastern Great Lakes across the mid-Atlantic and into southern New England, bringing total precipitation to as much as 12 inches.

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