[Narccap-topic-extremes] NARCCAP Extremes - What are you doing?

[Philippe Roy]

Hello Jeremy,

I've just seen your post about your work on heat events. I'm working 
also on some indices related to heat waves and I'm in the process of 
defining an adequate indice definition for heat waves. For now, it is 
solely based on the seasonal maximum of consecutive days where Tmax is 
over 30C and Tmin over 20C.

I do understand that it might not be sufficient, especially in terms of 
health applications. Do you think that I should also use the relative 
humidity?

I'd be interested to hear what kind of approach you are planning to use.

Thanks!,
Philippe

Le 2011-08-05 12:51, Hess, Jeremy a écrit :
> Thanks Bill.
>
> I'm doing some work at CDC on extreme heat events looking retrospectively at a dataset abstracted out from NCDC's data for approximately 100 cities across the US, extrapolating out temperature trends and projecting them forward, and then generating scenarios of extreme heat events for preparedness planning.  It's intentionally relatively low tech, though we will be using some novel approaches based on extreme value theory to generate the estimates of extremes from the projected point estimates.  If anyone has expertise in this area I would love to touch base.  We will also be comparing our (low-tech) estimates with regional downscaled projections for extreme heat events, and I'd like to talk with anyone doing that, as well.
>
> Thanks,
>
> Jeremy Hess, MD, MPH
> Senior Medical Advisor, Climate and Health Program, DEHHE, NCEH, CDC
>
> -----Original Message-----
> From: narccap-topic-extremes-bounces at mailman.ucar.edu [mailto:narccap-topic-extremes-bounces at mailman.ucar.edu] On Behalf Of Gutowski, William J [GE AT]
> Sent: Friday, August 05, 2011 7:17 AM
> To: narccap-topic-extremes at mailman.ucar.edu
> Subject: [Narccap-topic-extremes] NARCCAP Extremes - What are you doing?
>
> Dear NARCCAP "Extremers":
> It would also be good to get an overview list for our pod of what people are doing with extremes.  If you are simply interested in the topic, and just want to follow discussions, that's fine.  However, for those of you doing research with extremes, let's see what we all are doing.  So - what is your extremes-related research?
> Here at Iowa State, we have been looking primarily at daily precipitation extremes and the causal processes in both observations and the NARCCAP (and other simulations).  We have also looked at monthly precipitation extremes in the NARCCAP simulations and, in other work, are looking at daily temperature extremes.
>
> Bill Gutowski
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> William J. Gutowski, Jr.
> 3021 Agronomy Hall
> Dept. of Geological and
> Atmospheric Sciences
> Iowa State University
> Dept. of Agronomy
> Ames, Iowa  50011-1010
>
> gutowski at iastate.edu
> Tel:1-515-294-5632
> Fax:1-515-294-2619
> http://www.ge-at.iastate.edu/
> http://rcmlab.agron.iastate.edu/
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