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1 MET 12 Global Warming: Lecture 10 Impacts Shaun Tanner San Jose State University Outline:   Extremes of 2010/2011.

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Presentation on theme: "1 MET 12 Global Warming: Lecture 10 Impacts Shaun Tanner San Jose State University Outline:   Extremes of 2010/2011."— Presentation transcript:

1 1 MET 12 Global Warming: Lecture 10 Impacts Shaun Tanner San Jose State University Outline:   Extremes of 2010/2011

2 2 Recent Impacts of Global Warming

3 3   2010 tied 2005 as the hottest year on record   19 nations set All- time heat records   Covered 20% of Earth’s land surface area Earth’s hottest year on record

4   Rotation over the Arctic reversed   Produced blizzards in the Earth   snowiest Winter on record in Northeast U.S. Earth’s hottest year on record

5   Sep. 19, 2010: 3 rd lowest extent on record   2010 lowest volume on record   2011 tied for lowest extent on record Sea Ice, Lowest Volume On Record

6   Greatest ice loss by melting since 1958   Calving of 100 sq mile ice island   Record warm water along Green land West Coast Record Melting In Greenland

7   El Nino/La Nina contributed to massive flooding   Second most extreme shift (1973) Extreme Shift in El Nino

8   Near-record Summer water in tropical oceans causes extreme bleaching   Worst since 1998, when 16% of World’s reef were killed off Second Worst Coral Bleaching

9   13% higher than second highest (1956)   Relatively dry conditions over oceans Wettest Year Over Land

10   2 nd 100-year drought in 5 years   Healthy Amazon is very important for a healthy Earth Amazon Drought

11   Sea surface hottest on record in Atlantic   3 rd most active on record (2005)   Numerous records set for individual storms Active 2010 Hurricane Season

12   Only seven in record history   Anita was the 4 th strongest of these Rare Tropical Storm In South Atlantic

13   Jan 20-21, 2010 set low pressure records in 10-15% of U.S.   Hurricane-force winds noted in Arizona Strongest Storm in Southwest History

14   Most expensive natural disaster ever for Pakistan   Killed 1985 people and affected 20 million Pakistan Flood

15   Old record (99F) exceeded five times in two- weeks   Hit 101F on July 29, 2010   Killed 55,000 (deadliest in history) and cost $15 billion   Cut wheat output by 40% Russian Heat Wave of 2010

16   Most expensive natural disaster in history ($30 billion)   Wettest Spring in 111 years   Queensland rainiest year on record Australian Flooding

17   Killed 528 people   Caused $1 billion in damage   Left 2.2 million homeless   Colombia’s deadliest flooding disaster Colombia Flooding 2010


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