Weather Forecasts

A:

The two main factors that determine climate are temperature and the amount of precipitation an area gets. The climate of an area is determined over a long period of time, generally more than a lifetime.

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  • What Causes the Trade Winds?

    Q: What Causes the Trade Winds?

    A: The trade winds are caused by a combination of convection air currents and the Earth's rotation. Air is warmed near the Equator and moves towards each pole, respectively. This air is deflected by the Coriolis effect, or the spin of the Earth, causing it to fall back towards the Equator in both hemispheres.
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  • What Is the Subpolar Low Polar Front?

    Q: What Is the Subpolar Low Polar Front?

    A: A subpolar low front is a low pressure system that is small and fleeting. Subpolar lows are typically found over the ocean, near the primary polar fronts at the poles of the northern and southern hemisphere. In the northern hemisphere, the polar front created produces low pressure cyclonic storms in Europe and the Pacific Northwest. In the Southern Hemisphere, it creates severe storms, high winds, and snowfall in Antarctica
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  • What Is the Meaning of a Red Sunset?

    Q: What Is the Meaning of a Red Sunset?

    A: The sun appears red at night because the light it emits must travel a farther distance. Most of the shorter wavelengths have already scattered upon hitting particles in the air, and the only wavelengths left to view are the longer red wavelengths.
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  • How Do Low-Pressure Systems Form?

    Q: How Do Low-Pressure Systems Form?

    A: According to About.com, areas of low pressure within the Earth's atmosphere are caused by unequal heating across the surface and the pressure gradient force. Incoming solar radiation largely concentrates at the equator, resulting in warmer air at the lower latitudes. This warm air has a lower barometric pressure than the cooler, denser air near the poles, and the differences between these types of air create the pressure gradient force.
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  • What Are the Two Main Factors That Determine Climate?

    Q: What Are the Two Main Factors That Determine Climate?

    A: The two main factors that determine climate are temperature and the amount of precipitation an area gets. The climate of an area is determined over a long period of time, generally more than a lifetime.
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  • What Factors Affect Weather?

    Q: What Factors Affect Weather?

    A: The amount of sunlight striking an area, the geographic location of an area, the air pressure surrounding an area and the amount of water in the atmosphere all influence the local weather. Each of these components interacts with the other components, and they may exacerbate or moderate each other.
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  • Q: What Agencies Provide Marine Forecasts for Lake Erie?

    A: The United States National Weather Service and the Meteorological Service of Canada provide detailed marine forecasts for Lake Erie. Both agencies provide forecasts for different regions of the lake, including the waters of the other country.
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  • Q: How Do You Find the Fall Color Forecast for Michigan?

    A: Fall color forecasts for Michigan are available on sites devoted to foliage, such as FoliageNetwork.com, local and national sites with interactive maps and weather sites. FoliageNetwork.com has weekly foliage reports throughout the fall season that break down the country into various regions.
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  • When Is the Rainy Season in Playa Del Carmen?

    Q: When Is the Rainy Season in Playa Del Carmen?

    A: The rainy season in Playa del Carmen lasts from June to November, with most activity occurring between August and October. However, the rain storms are usually short in duration.
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  • Q: When Does It Snow in Gatlinburg?

    A: Although it is impossible to tell exactly when it will snow in Gatlinburg, Tenn., it is most likely to occur between the months of December and April. Snows in November are also likely.
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  • Q: What Is the Hottest City in the World?

    A: Death Valley, Calif., is the hottest city in the world, setting a temperature record in 1913 at 134 degrees. The record still stands as of 2014.
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  • Q: How Do You View a Live Local Doppler Radar?

    A: To view a live local Doppler radar map, go to the National Weather Service enhanced radar image website at Radar.weather.gov, and click on the radar site nearest you. Click on the map to create a more precisely targeted selected location. Menu items on the left display information such as the velocity of a storm or rainfall projections relative to the selected location. The map displays information in colors with a corresponding legend in the lower right corner.
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  • What Organizations Broadcast Emergency Information About Tsunamis?

    Q: What Organizations Broadcast Emergency Information About Tsunamis?

    A: In the United States, the National Oceanic and Atmospheric Administration, or NOAA, issues tsunami warnings. They do this through a network of various agencies, broadcasts and warning systems.
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  • Q: Where Can You Find the NOAA Winter Forecast?

    A: The NOAA winter forecast is available on their website at NOAA.gov. On the site, you can find the complete nontechnical forecast within the current U.S. Winter Outlook.
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  • Q: What Is the Weather Like in Mexico in December?

    A: Temperatures in Mexico in December vary considerably based on location, with cooler temperatures inland and warmer weather in coastal areas. Mexico City, a central location in Mexico, has an average daily temperature of 69 degrees Fahrenheit in December, while cities on the Pacific Coast and Yucatan Peninsula average in the mid to upper-80s throughout the month. These mild and dry conditions make December an ideal time to visit the country.
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  • Q: What Is the Appalachian Mountain Climate?

    A: The climate of the Appalachians is quite diverse, with plenty of temperate conditions as well as extremes in weather patterns. Temperatures and precipitation vary throughout the year based on elevation and location.
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  • Q: How Does a Radiosonde Work?

    A: A radiosonde is an small, expendable instrument package suspended about 80 feet below a balloon that has been inflated with helium or hydrogen gas. The radiosonde rises around 1,000 feet per minute, and sensors attached to the radiosonde measure relative humidity, temperature and certain types of pressure profiles.
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  • What Are Some Mild-Climate Cities?

    Q: What Are Some Mild-Climate Cities?

    A: U.S. News & World Report states the Californian cities of Los Angeles and Long Beach have warm winters and average summer highs in the low 80s Fahrenheit. While Florida cities Key West, Tampa and Apalachicola have average highs of 90 F during July, they have winters averaging in the 40s to 60s F. Atlanta has warm summers in the upper-80s F but has average winter lows in the mid-30s F.
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  • Q: What Is the Maritime Tropical Air Mass?

    A: The maritime tropical air mass is the warm humidity often felt in the air in the southeastern part of the United States. It is the result of the combination of direct sunshine, the Gulf Stream and the Gulf of Mexico.
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  • Q: Why Are Subtropical High Pressure Zones Called "the Trade Winds"?

    A: The term "trade winds" refers to the regular winds that blow from the subtropical high pressure zones toward the equator in roughly westerly directions. They are so named on account of the way trading ships used these winds when sailing west from Europe to the Americas.
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  • Q: What Are the First Signs of an Approaching Warm Front?

    A: The first signs of an approaching warm front include a general movement of air from southwest to northeast, a drop in air pressure, and warmer air found behind the movement of the front. Warm fronts tend to signal a general change in weather.
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