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E - Changing Return Periods
2010 Relating sea level rise to storm return time for NYC
2012 Estimated return period for low precipitation events has gotten somewhat shorter, for temperature extremes MUCH shorter
2012 Models clearly project changes in heat extreme return periods (see NA detail)
2012 Models clearly project precipitation extreme impact return periods over time (see NA detail)
2012 Return periods have changed
2012 The probabilty of warm winters in UK is 60 times more likely
2050-2100 (2012) Projected return period for today’s 1 in 20 years annual maximum temperatures
2080-2100 (2012) The frequency of what today are 1 in 20 year events
Annual precipitation return periods - Chesapeake Bay
Change in hurricane probability to 2060
Change in precipitation return values per 1 degree of warming
Change in return period for an extreme event due to a trend in the mean
Changing U.S. frequency of 1 in 20 year events by 2099
Evolution of precipitation return periods - Chesapeake Bay
Evolution of Precipitation return periods - Chesapeake Bay
Probability of a major hurricane strike in MA increases significantly
Return period for climate risks posing a threat to government budgets
The 25-year flood baseline
U.S. change in extreme precipitation 2050 RCP4.5
When does the 5-year event become the .2 year event
E - Climate Change Fingerprint
Infographic - 2015 Temperature Anomaly
E - Fingerprint - Arctic Ice
E - Fingerprint - Fire Regimes
E - Fingerprint - Flooding
E - Fingerprint - Heat Extremes
E - Impact Attribution
E - Manifestations of climate risk
E - Shifting Extremes
1oC - Arctic sea ice volume to 2019
1oC - Average global temperature change to 2020
1oC - Socioeconomic impacts of climate change already manifesting
1900-2010 (2011) Anomalies are clearly trending towards hot and very hot temperatures
1900-2100 (2008) Change in daily heavy precipitation events, with uncertainty
1950-2010 (2011) Fraction of surface area that's cold or hot shifting significantly
1950-2010 (2011) One can see a systematic warming signal in a number of regions
1950-2010 (2011) We can track how annual anomalies diverge in terms of SDs from the baseline
1950-2011 (2011) The fraction of land area with very high extremes is increasing
1955-2007 (2011) We can track how surface temperatures are changing over time
1955-2011 (2011) The proportion of surface area displaying >3 SDs is growing significantly
1975-2015 Northern Hemisphere Snow Cover is decreasing
1990-2005 Observed SLR vs. model projections
2003 The salinity of oceans is decreasing
2007 Cooling degree days in the U.S.
2007 Heating degree days in the U.S.
2008 And it's worse than we anticipated
2009 Acreage burned is increasing
2009 Area of Greenland subject to melting each year
2009 Discharge of Greenland ice streams is accelerating
2009 Picture of surface melt on Greenland
2009 Snapshot of ocean acidification
2009 Water stress - the ratio between withdrawal and availability - 2000
2009 We're losing a lot of ice mass in Greenland and Antarctica
2011 10 Warmest Years on Record
2011 In mountain glaciers
2011 Observed sea level rise over last 12 years
2011 Was a Year of Weather and Climate Extremes
2011 Why are we confident that observed warming is anthropogenic?
2011 Why are we confident that observed warming is anthropogenic? (2)
2012 - 2014 precipitation anomalies in Western U.S. (no long-term trend)
2012 10-fold increase in extreme heat events
2012 Extreme events are growing in probability faster than projected by the models
2012 In parts of East Africa there has been a substantial decrease in normal rainy seasons
2012 Model ensembles show shifts towards warmer and drier conditions from 1960's to present
2012 Return periods have changed
2012 Significant weather related losses of 2011
2012 The probabilty of warm winters in UK is 60 times more likely
2012 Western Pacific temperatures have been increasing
2013 Extreme precipitation in the U.S. is increasing
2013 Since 1895, annual average air temperatures in CA have increased about 1.5oF
2013 Statewide average temperature trends mask major differences within the state
2014 - Nightime temperature increases
2014 Coldest Nights
2014 Earth’s Surface Temperature
2014 Fires
2014 Global temperature vs. CO2
2014 Hottest Days
2014 Long-term warming and short-term variations
2014 Mountain Glaciers
2014 Ocean Heat Content
2014 Percentage of west in summer drought
2014 precipitation anomalies in Europe and South America
2014 Precipitation
2014 River Outflow
2014 Sea Level
2014 Soil Moisture
2014 Tornado Count for U.S.
2014 U.S. acres burned 1980 - 2013
2014 U.S. flooding has changed
2015 1,000 years of change
2015 Crop Moisture Stress Index (CMSI)
2015 Record high temperatures
2015 Temperature increase
2015 The Waggonwaybreen glacier 1900 - 2015
2016 All 10 indicators of climate change are "positive"
2016 Annual area burned in the U.S. 1984 - 2012
2016 Billion-dollar weather events 1980 2015
2016 Climate anomalies of 2015
2016 Global temperature anomalies vs. 20th century average
2017 Changing Cold Hardiness zones in Oregon to 2050
2017 Components of sea level rise
2017 Land and ocean temperature percentiles
2017 Oceans absorbing heat
2019 How did daily U.S. temperatures devitate from the historical average?
2019 How much have maximum and minimum temperatures already changed?
2019 Number of Extreme Heat Days in Australia
2050 (2014) Planting zone changes over time
Accelerating extreme heat on land
Alaskan Fires up
And rising trends in loss events
Annual area burned by wildfire is increasing rapidly
Annual number of large wildfires vs. average temperatures in the Western U.S.
Antarctic Ice Trends
Arctic Ice - Record Low Maximum
Arctic sea ice is disappearing faster than expected
Arctic Sea Ice • Climate Change
Arctic Sea Ice Thinning: Winter
Arctic temperature change
Areas burned up dramatically
Australian records
Average July High temperatures
BAMS 2014 State of the Climate
Billion dollar weather disasters
Billion Dollar Weather Disasters 1980-2010 economic damage caused by weather vulnerability
billion-dollar weather disasters in 2014 in the US
California
California Palmer Drought Severity Index over time
Carbon Dioxide • Climate Change
Catastrophe losses by cause in U.S. 1994 - 2013
Change in cool/warm days and nights since 1960
Changes in # of days with unusually warm daily low temp
Changes in daily low and high temperatures in N America
Changes in daily temperature range - Mexico
Changes in U.S. frost-free season length
Changing forest fires
Changing ocean acidification
Charting a large number of ECVs
CO2 and Temp since 1880
Comparing 1951-1980 and 2005 - to 2015
Correlation of disease outbreaks with El Nino
Costliest natural catastrophes since 1950
Current Impacts - Ecosystems
Current Impacts - Extreme weather events and weather losses
Current Impacts - Human health
Dana Glacier
Days Above 95 degrees by 2100
Dec 7 to Dec 20 precipitation anomalies in Western U.S.
Decadal mean temperatures
Decadal near surface global average temperature anomaly
Decline in arctic sea ice extent
Decreases in number of frost days per year
Degree of understanding of climate influence for key impacts in North America
Disaster relief costs in the U.S. are increasing
Drought and drought-related costs in the U.S. are increasing
During the 20th century we've seen a significant increase in drought severity
Early efforts looking for the climate signal
Earth's temperature doesn't correlate to sun
Economic losses from natural catastrophes
El Niño • Climate Change
Extreme Heat • Climate Change
Extreme weather bell curve
Extreme weather in 2013
Extreme weather metrics
Fall Temperature Trends
Figure SPM.2a
Figure SPM.4a
Forecasted decrease in Sierra Nevada snow pack
Frost-free season is getting longer
Future climate shift
Glacier mass balance
Glacier mass changes in California
Glacier retreat
Global average temperature
Global flood catastrophes have tripled
Global Surface Temp Record - NAS Public
Global Temperature • Climate Change
Goddard Glacier
Google search for "Pollen" are on the rise
Graphic - Mountain GlacierThinning
Graphics - NASA Global Maps Timeseries across multiple variables
Heavy Downpours Increasing
Higher temperatures will increase demand
Historic precipitation trend is upward
How we know climate change is happening
Hurricane counts - Atlantic 1851-2006
Hurricane Power North Atlantic
Hurricanes may get stronger
Hurricans acting differently in North Atlantic and Eastern North Pacific
Ice cover declining in the Great Lakes
Ice cover on Lake Mendota in Wisconsin
Ice loss from Greenland and Antarctica
Images of Change - Hundreds of photos showing all kinds of relevant change
In 2011 arctic ice extent continued to fall
In arctic ice
In Greenland
Increase in Cooling and Heating Demand Days
Increases in heavy rainfall over 90 days
Increases in intense precipitation - N America
Increases in wave heights
Increasing tree mortality in the Sierra Nevada
Indicators of climate change abound
Indicators of climate change in California
Indicators of warming from multiple datasets
Intense precipitation rises most in the NE
Interactive map of extreme weather and climate events of 2013
IPCC has looked at likelihood of different kinds of extreme events
January 2016 temperatures vs. 1951-80 average
Land Ice • Climate Change
Large US weather disasters 1980-2007
Long term climate trends continued in 2011
Loss events in the U.S. 1980 - 2014
Loss events worldwide 1980 - 2014
Loss events worldwide 2014
Major natural disasters 1972-2008
Maximum and minimum summer temperatures, by region in CA
Maximum temperatures in CA are rising much more slowly than minimum temperatures
Melting of Arctic land-based ice
Monthly arctic ice events
More frost-free days
More U.S. 1" Downpours
More U.S. 2" Downpours
More U.S. 3" Downpours
Moscow July Anomalies
Muir glacier, before. . .
Munich Re Climate Events
Natural Disasters in 2015 per Munich Re
New indicators being added to better understand climate
Numbers of weather-related loss events to 2014
Observed change in very heavy precipitation
Observed change in very heavy precipitation
Observed shifts in streamflow timing
Observed U.S. precipitation change
Ocean acidification
Ocean acidification is increasing in California
Ocean Acidification • Climate Change
Ocean heat content
Permafrost temperatures rising
Plant hardiness map
Plant hardiness zone maps seems to be changing rapidly
Potential disease impacts - Pine Beetles in the Great Lakes
Precipitation events have been getting more intense
Precipitation Extremes in the U.S. are Increasing
Ranking of hottest years
Ratio of record daily highs to lows for U.S. is changing
Record Temperatures 2015 Jan and Feb
Regional Changes in Climate Extremes
Regional temperature change
Regional variations in warming
Relationship between sea surface temp and hurricane power
Sea level rise
Sea level rise at Golden Gate
Sea Level Rise • Climate Change
Severe weather reports in the U.S. 2014
Shift in the timing of snowmelt
Shifting distribution of summer temperature anomalies GIF
Sierra Nevada precipitation is basically unchanged
Sierra Nevada snowmelt is declining
Significant climate anomalies and event May 2016
Significant climate anomalies in 2014
Spring Comes Early Across the U.S.
State of the Climate: Extreme Events
Streamflow from Snowmelt coming earlier
Summer Temp Trends
Summer Temperature Trends
Temperature change over the last 22 years
Texas drought 2011
The European heat wave of 2003
The Heat is On: U.S. Temperature Trends 1912-2011
The Heat is On: U.S. Temperature Trends 1970-2011
The loss of James Island
The Matterhorn, before . . .
The probability of heat waves in TX has increased substantially
The start to 2016
The underlying data.
There are more man-made than natural catastrophers
These 10 seconds show just how big of a problem drought has become in California
Top 10 Hardest Hit States of 2011
Tundra greenness has increased 15% by 1982
U.S. precipitation change observed and forecast by scenario
U.S. temperature change observed and forecast by scenario
U.S. temperature records are trending upward in ratio of high to low
U.S. Thunderstorm Loss Trends
U.S. trend in extreme precipitation during storms
U.S. Wildfires • Climate Change
Variation in cold season storms
Very clear trends in extreme precipitation
Warming Winters in the U.S.
We're already seeing changes
We're confident that it's human activities
We're setting more records for warm days than cold days
Weather losses are climbing, while insured proportion is decreasing
Weather related grid disruptions have been increasing
What do multi-year averages look like in the temperature record?
Which Season is Warming Fastest
Wildfires in western US vs average monthly maximum temperature 1980-99
Winter 2015-16 anomalies vs past average
Winter 2015-16 Anomaly
Climate responding faster than expected
Current impacts - Permafrost
Current Impacts - "Tropics" are expanding
Current Impacts - Power Production
Its happening faster than the IPCC anticipated
Sea level rise is accelerating
We know some impacts being observed sooner than projected
2012 Karl_State of the Climate 2011 - Summary Slides
2011 Was a Year of Weather and Climate Extremes
2012 The probabilty of warm winters in UK is 60 times more likely
In 2011 arctic ice extent continued to fall
Long term climate trends continued in 2011
New indicators being added to better understand climate
The probability of heat waves in TX has increased substantially
Tundra greenness has increased 15% by 1982
Individual Graphics
2012 The probabilty of warm winters in UK is 60 times more likely
2012 Karl_State of the Climate 2011 - Summary Slides
Accelerating Climate Change
Under-Estimating Climate Risk
E - Changing Return Periods
2010 Relating sea level rise to storm return time for NYC
2012 Estimated return period for low precipitation events has gotten somewhat shorter, for temperature extremes MUCH shorter
2012 Models clearly project changes in heat extreme return periods (see NA detail)
2012 Models clearly project precipitation extreme impact return periods over time (see NA detail)
2012 Return periods have changed
2012 The probabilty of warm winters in UK is 60 times more likely
2050-2100 (2012) Projected return period for today’s 1 in 20 years annual maximum temperatures
2080-2100 (2012) The frequency of what today are 1 in 20 year events
Annual precipitation return periods - Chesapeake Bay
Change in hurricane probability to 2060
Change in precipitation return values per 1 degree of warming
Change in return period for an extreme event due to a trend in the mean
Changing U.S. frequency of 1 in 20 year events by 2099
Evolution of precipitation return periods - Chesapeake Bay
Evolution of Precipitation return periods - Chesapeake Bay
Probability of a major hurricane strike in MA increases significantly
Return period for climate risks posing a threat to government budgets
The 25-year flood baseline
U.S. change in extreme precipitation 2050 RCP4.5
When does the 5-year event become the .2 year event
E - Climate Change Fingerprint
Infographic - 2015 Temperature Anomaly
E - Fingerprint - Arctic Ice
E - Fingerprint - Fire Regimes
E - Fingerprint - Flooding
E - Fingerprint - Heat Extremes
E - Impact Attribution
E - Manifestations of climate risk
E - Shifting Extremes
1oC - Arctic sea ice volume to 2019
1oC - Average global temperature change to 2020
1oC - Socioeconomic impacts of climate change already manifesting
1900-2010 (2011) Anomalies are clearly trending towards hot and very hot temperatures
1900-2100 (2008) Change in daily heavy precipitation events, with uncertainty
1950-2010 (2011) Fraction of surface area that's cold or hot shifting significantly
1950-2010 (2011) One can see a systematic warming signal in a number of regions
1950-2010 (2011) We can track how annual anomalies diverge in terms of SDs from the baseline
1950-2011 (2011) The fraction of land area with very high extremes is increasing
1955-2007 (2011) We can track how surface temperatures are changing over time
1955-2011 (2011) The proportion of surface area displaying >3 SDs is growing significantly
1975-2015 Northern Hemisphere Snow Cover is decreasing
1990-2005 Observed SLR vs. model projections
2003 The salinity of oceans is decreasing
2007 Cooling degree days in the U.S.
2007 Heating degree days in the U.S.
2008 And it's worse than we anticipated
2009 Acreage burned is increasing
2009 Area of Greenland subject to melting each year
2009 Discharge of Greenland ice streams is accelerating
2009 Picture of surface melt on Greenland
2009 Snapshot of ocean acidification
2009 Water stress - the ratio between withdrawal and availability - 2000
2009 We're losing a lot of ice mass in Greenland and Antarctica
2011 10 Warmest Years on Record
2011 In mountain glaciers
2011 Observed sea level rise over last 12 years
2011 Was a Year of Weather and Climate Extremes
2011 Why are we confident that observed warming is anthropogenic?
2011 Why are we confident that observed warming is anthropogenic? (2)
2012 - 2014 precipitation anomalies in Western U.S. (no long-term trend)
2012 10-fold increase in extreme heat events
2012 Extreme events are growing in probability faster than projected by the models
2012 In parts of East Africa there has been a substantial decrease in normal rainy seasons
2012 Model ensembles show shifts towards warmer and drier conditions from 1960's to present
2012 Return periods have changed
2012 Significant weather related losses of 2011
2012 The probabilty of warm winters in UK is 60 times more likely
2012 Western Pacific temperatures have been increasing
2013 Extreme precipitation in the U.S. is increasing
2013 Since 1895, annual average air temperatures in CA have increased about 1.5oF
2013 Statewide average temperature trends mask major differences within the state
2014 - Nightime temperature increases
2014 Coldest Nights
2014 Earth’s Surface Temperature
2014 Fires
2014 Global temperature vs. CO2
2014 Hottest Days
2014 Long-term warming and short-term variations
2014 Mountain Glaciers
2014 Ocean Heat Content
2014 Percentage of west in summer drought
2014 precipitation anomalies in Europe and South America
2014 Precipitation
2014 River Outflow
2014 Sea Level
2014 Soil Moisture
2014 Tornado Count for U.S.
2014 U.S. acres burned 1980 - 2013
2014 U.S. flooding has changed
2015 1,000 years of change
2015 Crop Moisture Stress Index (CMSI)
2015 Record high temperatures
2015 Temperature increase
2015 The Waggonwaybreen glacier 1900 - 2015
2016 All 10 indicators of climate change are "positive"
2016 Annual area burned in the U.S. 1984 - 2012
2016 Billion-dollar weather events 1980 2015
2016 Climate anomalies of 2015
2016 Global temperature anomalies vs. 20th century average
2017 Changing Cold Hardiness zones in Oregon to 2050
2017 Components of sea level rise
2017 Land and ocean temperature percentiles
2017 Oceans absorbing heat
2019 How did daily U.S. temperatures devitate from the historical average?
2019 How much have maximum and minimum temperatures already changed?
2019 Number of Extreme Heat Days in Australia
2050 (2014) Planting zone changes over time
Accelerating extreme heat on land
Alaskan Fires up
And rising trends in loss events
Annual area burned by wildfire is increasing rapidly
Annual number of large wildfires vs. average temperatures in the Western U.S.
Antarctic Ice Trends
Arctic Ice - Record Low Maximum
Arctic sea ice is disappearing faster than expected
Arctic Sea Ice • Climate Change
Arctic Sea Ice Thinning: Winter
Arctic temperature change
Areas burned up dramatically
Australian records
Average July High temperatures
BAMS 2014 State of the Climate
Billion dollar weather disasters
Billion Dollar Weather Disasters 1980-2010 economic damage caused by weather vulnerability
billion-dollar weather disasters in 2014 in the US
California
California Palmer Drought Severity Index over time
Carbon Dioxide • Climate Change
Catastrophe losses by cause in U.S. 1994 - 2013
Change in cool/warm days and nights since 1960
Changes in # of days with unusually warm daily low temp
Changes in daily low and high temperatures in N America
Changes in daily temperature range - Mexico
Changes in U.S. frost-free season length
Changing forest fires
Changing ocean acidification
Charting a large number of ECVs
CO2 and Temp since 1880
Comparing 1951-1980 and 2005 - to 2015
Correlation of disease outbreaks with El Nino
Costliest natural catastrophes since 1950
Current Impacts - Ecosystems
Current Impacts - Extreme weather events and weather losses
Current Impacts - Human health
Dana Glacier
Days Above 95 degrees by 2100
Dec 7 to Dec 20 precipitation anomalies in Western U.S.
Decadal mean temperatures
Decadal near surface global average temperature anomaly
Decline in arctic sea ice extent
Decreases in number of frost days per year
Degree of understanding of climate influence for key impacts in North America
Disaster relief costs in the U.S. are increasing
Drought and drought-related costs in the U.S. are increasing
During the 20th century we've seen a significant increase in drought severity
Early efforts looking for the climate signal
Earth's temperature doesn't correlate to sun
Economic losses from natural catastrophes
El Niño • Climate Change
Extreme Heat • Climate Change
Extreme weather bell curve
Extreme weather in 2013
Extreme weather metrics
Fall Temperature Trends
Figure SPM.2a
Figure SPM.4a
Forecasted decrease in Sierra Nevada snow pack
Frost-free season is getting longer
Future climate shift
Glacier mass balance
Glacier mass changes in California
Glacier retreat
Global average temperature
Global flood catastrophes have tripled
Global Surface Temp Record - NAS Public
Global Temperature • Climate Change
Goddard Glacier
Google search for "Pollen" are on the rise
Graphic - Mountain GlacierThinning
Graphics - NASA Global Maps Timeseries across multiple variables
Heavy Downpours Increasing
Higher temperatures will increase demand
Historic precipitation trend is upward
How we know climate change is happening
Hurricane counts - Atlantic 1851-2006
Hurricane Power North Atlantic
Hurricanes may get stronger
Hurricans acting differently in North Atlantic and Eastern North Pacific
Ice cover declining in the Great Lakes
Ice cover on Lake Mendota in Wisconsin
Ice loss from Greenland and Antarctica
Images of Change - Hundreds of photos showing all kinds of relevant change
In 2011 arctic ice extent continued to fall
In arctic ice
In Greenland
Increase in Cooling and Heating Demand Days
Increases in heavy rainfall over 90 days
Increases in intense precipitation - N America
Increases in wave heights
Increasing tree mortality in the Sierra Nevada
Indicators of climate change abound
Indicators of climate change in California
Indicators of warming from multiple datasets
Intense precipitation rises most in the NE
Interactive map of extreme weather and climate events of 2013
IPCC has looked at likelihood of different kinds of extreme events
January 2016 temperatures vs. 1951-80 average
Land Ice • Climate Change
Large US weather disasters 1980-2007
Long term climate trends continued in 2011
Loss events in the U.S. 1980 - 2014
Loss events worldwide 1980 - 2014
Loss events worldwide 2014
Major natural disasters 1972-2008
Maximum and minimum summer temperatures, by region in CA
Maximum temperatures in CA are rising much more slowly than minimum temperatures
Melting of Arctic land-based ice
Monthly arctic ice events
More frost-free days
More U.S. 1" Downpours
More U.S. 2" Downpours
More U.S. 3" Downpours
Moscow July Anomalies
Muir glacier, before. . .
Munich Re Climate Events
Natural Disasters in 2015 per Munich Re
New indicators being added to better understand climate
Numbers of weather-related loss events to 2014
Observed change in very heavy precipitation
Observed change in very heavy precipitation
Observed shifts in streamflow timing
Observed U.S. precipitation change
Ocean acidification
Ocean acidification is increasing in California
Ocean Acidification • Climate Change
Ocean heat content
Permafrost temperatures rising
Plant hardiness map
Plant hardiness zone maps seems to be changing rapidly
Potential disease impacts - Pine Beetles in the Great Lakes
Precipitation events have been getting more intense
Precipitation Extremes in the U.S. are Increasing
Ranking of hottest years
Ratio of record daily highs to lows for U.S. is changing
Record Temperatures 2015 Jan and Feb
Regional Changes in Climate Extremes
Regional temperature change
Regional variations in warming
Relationship between sea surface temp and hurricane power
Sea level rise
Sea level rise at Golden Gate
Sea Level Rise • Climate Change
Severe weather reports in the U.S. 2014
Shift in the timing of snowmelt
Shifting distribution of summer temperature anomalies GIF
Sierra Nevada precipitation is basically unchanged
Sierra Nevada snowmelt is declining
Significant climate anomalies and event May 2016
Significant climate anomalies in 2014
Spring Comes Early Across the U.S.
State of the Climate: Extreme Events
Streamflow from Snowmelt coming earlier
Summer Temp Trends
Summer Temperature Trends
Temperature change over the last 22 years
Texas drought 2011
The European heat wave of 2003
The Heat is On: U.S. Temperature Trends 1912-2011
The Heat is On: U.S. Temperature Trends 1970-2011
The loss of James Island
The Matterhorn, before . . .
The probability of heat waves in TX has increased substantially
The start to 2016
The underlying data.
There are more man-made than natural catastrophers
These 10 seconds show just how big of a problem drought has become in California
Top 10 Hardest Hit States of 2011
Tundra greenness has increased 15% by 1982
U.S. precipitation change observed and forecast by scenario
U.S. temperature change observed and forecast by scenario
U.S. temperature records are trending upward in ratio of high to low
U.S. Thunderstorm Loss Trends
U.S. trend in extreme precipitation during storms
U.S. Wildfires • Climate Change
Variation in cold season storms
Very clear trends in extreme precipitation
Warming Winters in the U.S.
We're already seeing changes
We're confident that it's human activities
We're setting more records for warm days than cold days
Weather losses are climbing, while insured proportion is decreasing
Weather related grid disruptions have been increasing
What do multi-year averages look like in the temperature record?
Which Season is Warming Fastest
Wildfires in western US vs average monthly maximum temperature 1980-99
Winter 2015-16 anomalies vs past average
Winter 2015-16 Anomaly
Climate responding faster than expected
Current impacts - Permafrost
Current Impacts - "Tropics" are expanding
Current Impacts - Power Production
Its happening faster than the IPCC anticipated
Sea level rise is accelerating
We know some impacts being observed sooner than projected
2012 Karl_State of the Climate 2011 - Summary Slides
2011 Was a Year of Weather and Climate Extremes
2012 The probabilty of warm winters in UK is 60 times more likely
In 2011 arctic ice extent continued to fall
Long term climate trends continued in 2011
New indicators being added to better understand climate
The probability of heat waves in TX has increased substantially
Tundra greenness has increased 15% by 1982