Presentation is loading. Please wait.

Presentation is loading. Please wait.

Gabriel Lau Geophysical Fluid Dynamics Laboratory/NOAA Princeton University Heat Waves and Climate Change.

Published byApril Allison Modified over 9 years ago

Similar presentations

Presentation on theme: "Gabriel Lau Geophysical Fluid Dynamics Laboratory/NOAA Princeton University Heat Waves and Climate Change."— Presentation transcript:

1 Gabriel Lau Geophysical Fluid Dynamics Laboratory/NOAA Princeton University Heat Waves and Climate Change

2 Midwest Heat Waves Model Observations Surface Temperature Precipitation °C mm/dy

3 Midwest Heat Waves Model Observations 500mb Geopotential Height Sea-level Pressure / Surface Wind mb m

4 ObservationModel 1971-2000 Model 2041-2070 Model Ratio: 2041-2070 vs 1971-2000 Severity (°C)35.239.440.11.0 Duration (days)9.78.612.61.5 Number of Events per year 1.11.02.7 Number of Heat Wave days per year 10.58.634.44.0 Midwest Heat Waves

5 Duration# Events/yr# Heat wave days/yr Midwest1.52.74.0 Northern Plains1.33.84.8 Pacific Northwest1.32.43.0 SE Canada1.22.52.9 Texas-Oklahoma1.82.64.5 Mid-Atlantic1.42.73.8 California1.92.34.3 Gulf Coast1.23.24.0 Southwest2.22.96.4 Wyoming/Montana/ Idaho 2.22.65.7 Model Projections Ratio: 2041-2070 vs 1971-2000

6 Severity ( o C) Duration (days) Frequency (# heat waves per yr) # Heat Wave Days Per Year Central Great Plains Northern Great Plains

7 Geophysical Fluid Dynamics Laboratory Coherent Regions of Surface Temperature Variability

8 Geophysical Fluid Dynamics Laboratory Circulation and Precipitation Patterns Accompanying Heat Waves in Region 2 mm d -1

9 Geophysical Fluid Dynamics Laboratory RCP 4.5RCP 8.5 Observation Model 1979- 2008 Model 2086-2095 Model Ratio: 2086-2095 vs 1979-2008 Model 2086-2095 Model Ratio: 2086-2095 vs 1979-2008 Duration (days)8.412.317.51.426.62.2 Number of Events per year 1.61.43.22.33.62.6 Number of Heat Wave days per year 13.417.055.43.395.95.6 Heat Waves in Region 2

10 Geophysical Fluid Dynamics Laboratory Duration# Events/yr# Heat wave days/yr Region 11.92.03.8 Region 21.42.33.3 Region 32.12.34.8 RCP 4.5 Model Projections Ratio: 2086-2095 vs 1979-2008 Duration# Events/yr# Heat wave days/yr Region 12.72.46.5 Region 22.22.65.7 Region 33.02.47.1 RCP 8.5

11 European Heat Waves Mode 1 Mode 2 Surface Temperature Precipitation mm day -1 oCoC

12 European Heat Waves Mode 1 Mode 2 500 mb Height SLP / Surface Wind mb m

13 Geophysical Fluid Dynamics Laboratory/NOAA Princeton University Thank You

Download ppt "Gabriel Lau Geophysical Fluid Dynamics Laboratory/NOAA Princeton University Heat Waves and Climate Change."

Similar presentations

Manipulated Vs. Responding Variable

Manipulated Vs. Responding Variable
Regional climate change over southern South America: evolution of mean climate and extreme events Silvina A. Solman CIMA (CONICET-UBA) Buenos Aires ARGENTINA.

Regional climate change over southern South America: evolution of mean climate and extreme events Silvina A. Solman CIMA (CONICET-UBA) Buenos Aires ARGENTINA.
Plant Sector Workshop March 21, 2012. MIT – Progress on the Science of Weather and Climate ExtremesMarch 29, 2012 Motivation –Billion-dollar Disasters.

Plant Sector Workshop March 21, MIT – Progress on the Science of Weather and Climate ExtremesMarch 29, 2012 Motivation –Billion-dollar Disasters.
Scaling Laws, Scale Invariance, and Climate Prediction

Scaling Laws, Scale Invariance, and Climate Prediction
Storms activity and atmospheric circulation Galina V.Surkova, Alexandre V.Kislov.

Storms activity and atmospheric circulation Galina V.Surkova, Alexandre V.Kislov.
Midlatitude cyclones. Identify and describe the North American air masses that influence the weather patterns for Lexington Differentiate between frontal.

Midlatitude cyclones. Identify and describe the North American air masses that influence the weather patterns for Lexington Differentiate between frontal.
The Wind Chill Climatology of the WFO LSX CWA Mark F. Britt National Weather Service St. Louis, MO.

The Wind Chill Climatology of the WFO LSX CWA Mark F. Britt National Weather Service St. Louis, MO.
1 Geophysical Fluid Dynamics Laboratory Review June 30 - July 2, 2009.

1 Geophysical Fluid Dynamics Laboratory Review June 30 - July 2, 2009.
Fig. 1. NCEP/NCAR Composite analysis 24 hours prior to event onset (T-24) for a) 250-hPa vector wind, b) 500-hPa geopotential height, c) 850-hPa temperature,

Fig. 1. NCEP/NCAR Composite analysis 24 hours prior to event onset (T-24) for a) 250-hPa vector wind, b) 500-hPa geopotential height, c) 850-hPa temperature,
Interannual Variability in Summer Hydroclimate over North America in CAM2.0 and NSIPP AMIP Simulations By Alfredo Ruiz–Barradas 1, and Sumant Nigam University.

Interannual Variability in Summer Hydroclimate over North America in CAM2.0 and NSIPP AMIP Simulations By Alfredo Ruiz–Barradas 1, and Sumant Nigam University.
Shanese Breitkreitz. Meaning – La Nina  The little girl  El Viejo – Old Man  A cold event  A cold episode.

Shanese Breitkreitz. Meaning – La Nina  The little girl  El Viejo – Old Man  A cold event  A cold episode.
Zonally Averaged Wind Zonal DJFZonal JJA Meridional JJA.

Zonally Averaged Wind Zonal DJFZonal JJA Meridional JJA.
Contemporaneous and Antecedent Links of Atlantic and Pacific Circulation Features with North American Hydroclimate: Structure and Interannual Variability.

Contemporaneous and Antecedent Links of Atlantic and Pacific Circulation Features with North American Hydroclimate: Structure and Interannual Variability.
Interannual Variability of North American Summer Precipitation in NASA/NSIPP and NCAR/CAM2.0 AMIP Simulations By Alfredo Ruiz-Barradas and Sumant Nigam.

Interannual Variability of North American Summer Precipitation in NASA/NSIPP and NCAR/CAM2.0 AMIP Simulations By Alfredo Ruiz-Barradas and Sumant Nigam.
The Science of Climate Change in Hawai‘i Statistical Downscaling of Rainfall Projections for Hawai‘i Asia Room, East-West Center, 1:30-5:00 pm January.

The Science of Climate Change in Hawai‘i Statistical Downscaling of Rainfall Projections for Hawai‘i Asia Room, East-West Center, 1:30-5:00 pm January.
Instrumental Observed Temperature Trends - ANNUAL IPCC TAR (2001)

Instrumental Observed Temperature Trends - ANNUAL IPCC TAR (2001)
ATMOSPHERIC CIRCULATION. Atmospheric and Oceanic Circulation Wind Essentials Driving Forces Within the Atmosphere Atmospheric Patterns of Motion Oceanic.

ATMOSPHERIC CIRCULATION. Atmospheric and Oceanic Circulation Wind Essentials Driving Forces Within the Atmosphere Atmospheric Patterns of Motion Oceanic.
Oceans and Climate Review. Wavelength 1. The lowest point of a wave is the a. wavelength b. crest c. frequency d. trough.

Oceans and Climate Review. Wavelength 1. The lowest point of a wave is the a. wavelength b. crest c. frequency d. trough.
What causes thermohaline circulation?. Check Your Slide Notes Earth has one ocean. Five main regions of the ocean are the Atlantic Ocean, the Pacific.

What causes thermohaline circulation?. Check Your Slide Notes Earth has one ocean. Five main regions of the ocean are the Atlantic Ocean, the Pacific.
Changes in NAO and ENSO 3.4 and Their Effects on U.S. Climate by Elise Lancaster METEO 497A April 22, 2003.

Changes in NAO and ENSO 3.4 and Their Effects on U.S. Climate by Elise Lancaster METEO 497A April 22, 2003.

Similar presentations

Ads by Google