[RegCNET] Invitation to CORDEX convective-permitting modeling for S2S discussion

[Melissa Bukovsky]

Dear colleagues,

We would like to invite you to participate in a Forum for 
*Convective-permitting modeling for sub-seasonal to seasonal (S2S) 
forecasting* at the upcoming Latsis symposium.  Please find links to 
participate in person or remotely below at the end of this message. 
  Please note that in-person participation is limited to 30 seats. 
Please feel free to forward this announcement to your colleagues that 
may be interested to participate remotely.

*Logistical details:*

Convective-permitting modeling for sub-seasonal to seasonal (S2S) 
forecasting
An open community forum discussion
Time: Wednesday, 21 August, 7:30-9:00p (Central European Summer Time, 
GMT+2, 1730-1900 UTC)
Location: ETH Zurich main building, HG D22
Remote participation accommodated (by Zoom interface)

Forum Facilitators:
Christopher L. Castro (1), Hsin-I Chang (1), Andreas Prein (2), Melissa 
Bukovsky (2)
(1) University of Arizona, Tucson, Arizona  USA
(2) National Center for Atmospheric Research, Boulder, Colorado  USA

Forum Summary:

Convective-permitting modeling (CPM) yields step improvements in the 
physical representation of precipitation, as has been demonstrated in 
applications of numerical weather prediction and climate 
modeling.  While CPM has been used in the context of historical climate 
simulations and climate change projections, its application to the 
sub-seasonal to seasonal (S2S) forecast timescale (weeks to months) is 
comparatively underexplored.  New, long-term S2S reforecast products 
have recently been generated from operational global forecast models, 
analogous to CMIP models used for climate change projection.  It is now 
technically possible to dynamically downscale these reforecast data to 
CPM scale, to assess potential improvement in S2S forecast skill and 
create new S2S forecast metrics for extreme events.  The Coordinated 
Regional Ensemble Downscaling Experiment (CORDEX) provides an existing 
robust community framework that can be leveraged to dynamically 
downscale S2S reforecast data, in a globally unified way.

Within this community discussion, we will first present several overview 
presentations to the topic by the forum facilitators.  This will be 
followed by an open community discussion and collective identification 
of research priorities and action items proceeding forward.

*The goal of this event* is to foment a working group that will lead to 
the development of white papers, proposals, and community meetings on 
the topic of convective-permitting S2S forecasting.


*LINK TO REGISTER FOR IN-PERSON PARTICIPATION*
https://docs.google.com/forms/d/e/1FAIpQLSdBZENSPlAbktZPmnz0y4316V1Vtnzr0IlyH2izWRFYwMJ_qw/viewform?usp=sf_link


*LINK TO REGISTER FOR REMOTE PARTICIPATION*
https://docs.google.com/forms/d/e/1FAIpQLSfOa7c_JPcwMo71-Ie2iqMrdTM4rqsVtlzfPB1jofSGMnh2kA/viewform?usp=sf_link


For more details or questions, please contact:
Christopher Castro
clcastro at email.arizona.edu

__________________________________________________

Christopher L. Castro, Ph.D.
Professor
Department of Hydrology and Atmospheric Sciences
University of Arizona
Harshbarger Building, Room 324J2
1133 E. James E. Rogers Way
Tucson, AZ  85721-0081  USA

Office: +1 520 626-5617
Fax: +1 520 621-6833
E-mail: clcastro at email.arizona.edu
Web page: www.atmo.arizona.edu/personalpages/castro/castro.htm
Twitter: @CLCastro1974

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