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El Nino

Real copy!
by

the science kids

on 12 November 2012

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Transcript of El Nino

What is El Nino? Benefits of El Nino... Benefits of El Nino... Local Effects of El Nino
Average VS. Normal
December-March Benefits:
1. Scientists and weather forecasters learn about El Nino, how to forecast it sooner, and how to prepare for one.
2. Areas that are dry and need rainfall like New Mexico, can benefit from El Nino.
3. Scientist and forecasters can find out about benefits for other weather occurrences, and even daily life. During an El Nino, it should be wetter. Conditions and Forecasts Past El Ninos 1911-12
1914-15
1918-19
1923-24
1925-26
1930-31
1932-33
1939-40
1941-42
1951-52
1953-54
1957-58 1965-66
1969-70
1972-73
1976-77
1982-83*
1986-87
1991-92
1994-95
1997-98*
2002-03
2006-07 *-Major Preparation For El Nino U.s. Federal Emergency Management Agency spends about $150 million to prepare for storms and heavy rain. There is distribution of sandbags established volunteer programs for the removal of debris. Plus there is monitored high flood risks and special training for damage control teams. *http://earthobservatory.nasa.gov/Features/islscp/ It is a warm ocean current that usually happens around Christmas time.

It piles up water in the western part of the Pacific and the temperature is usually around 30C or 86F. In the east, the water gets pulled up from below, to replace water pushed west and the temperature is about 22C or 71.6F. In the extreme northwest, Missouri and Iowa, the temperatures will be below normal, the Gulf of Mexico will get lots of rain through May, 2013 while Iowa will be in a drought. Precipitation in Alaska will swell and then fade away. Overall Precipitation will go back to normal by June, followed by droughts in the North West, which will finally return to normal. Precipitation It is currently warmer in the west central states. This trend will grow to cover all states except those on the coast by April 2013. Temperatures will cool except along the south and west of the US. The West, north east, and florida will be particularly warm by 2013. The Northern region of Alaska will also be warmer throught 2013. Predictions and Changes Temperature Bad things:
1.Affects wind patterns, can cost lots of money in damages, can cause injuries and death.
2. Because wind patterns shift, monsoons occur near land and cause destruction and death.
3. Strange weather occurs in areas that are not
accustomed to those occurrences.
Precautions for El Nino:
Since El Nino makes wind currents shift, strong winds make occur in different places, and these winds can cause destruction, injury or even death.
Because El Nino shifts wind currents, monsoons may be often in different areas of the world. During an El Nino, it should be colder in Las Cruces. Preperation for El Nino U.S. Federal Emergency Management Agency spends about $150 million to prepare for storms and heavy rain. Sandbags are distributed and there is volunteer programs for the removal of debris. Special training is offered to damage control teams. El Niño began recording abnormally high temperatures off the coast of Peru. Over the next couple of months, these strength of these anomalies grew. The anomalies grew so large by October 1997 that this El Niño had already become the strongest in the 50+ years of accurate data gathering. Effects of E Nino (97-98) After Math of El Nino (97-98) Areas of major economic benefits (primarily in the nation's northern sections) included major reductions in expenditures (and costs) for natural gas and heating oil, record seasonal sales of retail products and homes, lack of spring flood damages, record construction levels, and savings in highway-based and airline transportation. Further, the nation experienced no losses from major Atlantic hurricanes. The net economic effect was surprisingly positive and less government relief was needed than in prior winters without El Niño influences. The estimated direct losses nationally were about $4 billion and the benefits were approximately $19 billion. El Nino 2009 Predictions El Niño in the central and eastern equatorial Pacific Ocean is expected to be a dominant climate factor that will influence the December through February winter weather in the United States, according to the 2009 Winter Outlook released today by NOAA’s Climate Prediction Center. Such seasonal outlooks are part of NOAA’s suite of climate services. El Nino!
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