1 Response of Australian Temperature Extremes to Climate Variability and Change Regional Climate Research Section NCAR Earth System Laboratory NCAR is.

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Presentation transcript:

1 Response of Australian Temperature Extremes to Climate Variability and Change Regional Climate Research Section NCAR Earth System Laboratory NCAR is Sponsored by NSF and this work is partially supported by the Willis Research Network, the DOE Research Program to Secure Energy for America and NSF EASM Grants and Greg Holland Collaboration with Cindy Bruyere Mari Jones and Abby Jaye Holland CSU Workshop 0114

Working Hypothesis: o Global temperature extremes change slowly- if at all – under GW o Maxima from advection increase substantially. The Record Australian Summer 2013 Holland CSU Workshop Summary

Holland CSU Workshop Stations Used Giles Sydney Mel Alice

Monash Informal Talk In Situ and Advective Extremes In Situ

Monash Informal Talk Both Can Occur Together Advective In Situ (Mari Jones)

Holland CSU Workshop Seasonal: Desert In Situ Temperatures Extremes bumping up against the maximum possible Skewed distribution develops

Holland CSU Workshop Giles Maxima

Holland CSU Workshop Climate Change: In Situ Temperatures Variable, but marked increase in hot days and no change in extremes.

Analysis Bdy Conditions, including SST, Interactive Land Holland CSU Workshop WRF Simulations WRF Vs Observed Max Temperatures After 17 days integration

Holland CSU Workshop

Holland CSU Workshop Heat Build Up

Holland CSU Workshop Diurnal Variation

Holland CSU Workshop xCO2 Simulation

Holland CSU Workshop Climate Change Impact

Holland CSU Workshop

Holland CSU Workshop Trend >35 o C Maximum Temperature (Bureau of Meteorology 2013) In Situ Advective

Global extreme temperatures change slowly, if at all, with GW For In Situ temperature extremes, PDF skews to more hot temperatures Advected temperature records increase substantially Holland CSU Workshop Summary