Climatology
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Santa Rosa Storm Comes Every Year to Argentina
The history and folklore surrounding the Santa Rosa Storm of Argentina are charming. The storm appears every year, just as the legend has it.
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Frequency of Hurricanes Rising
During the last decade there has been an average of 17 hurricanes and tropical storms in the Atlantic each year; that's double the number of earlier in the 20th century.
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Visitor's Guide to the Moroccan Climate
Touring this fascinating country could well be enhanced with some prior knowledge of the weather to expect at any particular time of year.
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Guide to the Seasons and Climate Within the UK
The climate of Britain is notoriously variable. However, records do reveal tendencies within seasons and in areas. The tourist might find the following summary useful.
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The Reasons Behind Death Valley's Extremes
Death Valley has a sinister ring to it, but what are the reasons for its status as one of the most inhospitable places on earth?
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Temperatures and Rainfall of Death Valley
Death Valley is aptly named for an oven-like basin in Eastern California. Since the turn of the last century, records have been collated on its temperature and rainfall.
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The Worst of Spring in the United Kingdom
They say hope springs eternal, but the British spring often doesn't live up to the hopes of the residents; this is after they wait a winter eternity for it to arrive!
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The Best of Spring in the United Kingdom
After months of cold and darkness dominating winter the United Kingdom wakes again in the spring, as people, plants and animals emerge to colour the new warmth and light.
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China - Government Seeds Cloud to Break Drought
Some 2,392 rockets and 409 artillery shells containing cloud-seeding chemicals were fired into clouds in north China last week in a government initiative to bring rain.
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New System Created to Warn of El Nino Conditions
NOAA's Climate Prediction Center in February 2009 unveiled a system that would warn of El Nino and La Nina conditions in a manner similar to how storms are forecasted.
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2008 Ranks as Eighth Warmest Year Since 1880
2008 ranked as the eighth warmest on record, tied with 2001 for that distinction. The global temperature averaged 0.88 degrees above the average of 57.0 degrees F.
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Life Cycle of a Snowflake
Snowflakes are totally different as the temperatures cycle downward, which accounts, in part, for each flake's uniqueness.
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Why the Arctic is Always Cold
The Earth's polar regions are perennially cold. The explanation for their climates lies in the Earth's curve decreasing the sun energy those areas receive.
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October 2008 Remains Seasonably Cool in USA
The seasonable weather conditions that the US experienced in September 2008 have continued. However, it was colder than normal for much of the East and Southern Plains.
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US Sees Seasonably Cool September 2008
After a summer that in many places was warmer and wetter than normal, September 2008 saw a return to more seasonable conditions, though California remained warm and dry.
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Fall Colors from Space
Orbiting satellites detect the onset of fall as the green landscape far below shifts to autumn hues.
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The Little Ice Age Theories
The Little Ice Age caused decreased winter temperatures, resulting in sea ice, glacier advances, and crop failures. Discover what caused this abrupt change in climate.
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Tornado Facts and Records
Understanding climatology data from past tornadoes helps meteorologists at the SPC determine when to issue tornado watches and alerts, in order to save lives.
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Defining Climatology Terminology
Climatologists study data using specific terms to describe climate change. Climatologists use climate norms, ice cores and climate models to determine predictions.
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Last Freeze Frost Probability Date
Determine the growing season for a specific area, using the Climate Atlas of the U.S. Understand the importance of freeze probability to agriculture and planting times.
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Climate Predictions Winter 2008
NOAA's Climate Prediction Center forecasts the continuing effects of a moderate La Niña, bringing more rain and snow to the NW and extended drought to the SW and NE U.S.
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Best Chances of a White Christmas
Climatologists and meteorologists use historical data collected from weather records over the past 45 years in the U.S. and Canada, to predict snow on Christmas Day.
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U.S. Drought Monitor Indicators
Although drought is difficult to define or forecast, climatologists can determine the impact and intensity of droughts using drought indicators and precipitation indices.
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El Niño – Southern Oscillation
Changes in the Southern Oscilliation Index affect Australia's climate greatly, with extremely dry conditions of El Niño and warmer, wetter weather caused by La Niña.
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