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groups:itwg:nwp:about [2022/06/14 19:30] – leanneagroups:itwg:nwp:about [2023/01/03 14:58] (current) – bcandy
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 ===== Working Group on Data Assimilation and Numerical Weather Prediction ===== ===== Working Group on Data Assimilation and Numerical Weather Prediction =====
  
-Co-Chairs:  [[mailto:fiona.smith@bom.gov.au|Fiona Smith]] (Bureau of Meteorology) and [[mailto:brett.candy@metoffice.gov.uk|Brett Candy]] (Met Office)+Co-Chairs: [[mailto:fiona.smith@bom.gov.au|Fiona Smith]] (Bureau of Meteorology) and [[mailto:brett.candy@metoffice.gov.uk|Brett Candy]] (Met Office)
  
 ==== Aim and Scope ==== ==== Aim and Scope ====
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 ==== Impact of Sounding data in NWP ==== ==== Impact of Sounding data in NWP ====
  
-Starting with ATOVS in 1999,  the use of sounder data has become widespread with many NWP centres reporting strong positive impact, especially when directly assimilating the radiances.+Starting with ATOVS in 1999, the use of sounder data has become widespread with many NWP centres reporting strong positive impact, especially when directly assimilating the radiances.
  
 Adjoint-based sensitivity studies have shown that the impact of satellite sounding data is far larger than for any other observation type within a variational analysis system. Observing system experiments (OSEs) also show that the impact of observations, particularly from ATOVS and IASI is comparable to or larger than that from radiosondes. Adjoint-based sensitivity studies have shown that the impact of satellite sounding data is far larger than for any other observation type within a variational analysis system. Observing system experiments (OSEs) also show that the impact of observations, particularly from ATOVS and IASI is comparable to or larger than that from radiosondes.
  
-To find out more about the use of microwave and infrared sounder data,  the ITSC proceedings are a vital source of information. Regular progress reports and reports on OSEs are provided by meteorological services. For results of OSEs including satellite data OSEs see link to the latest [[https://meetings.wmo.int/impact-workshop-7/SitePages/Presentations.aspx|WMO workshop]] on the subject (7th WMO Workshop on the Impact of Various Observing Systems on NWP , held virtually, 30th Nov - 3rd Dec 2020).+To find out more about the use of microwave and infrared sounder data, the ITSC proceedings are a vital source of information. Regular progress reports and reports on OSEs are provided by meteorological services. For results of OSEs including satellite data OSEs see link to the latest [[https://meetings.wmo.int/impact-workshop-7/SitePages/Presentations.aspx|WMO workshop]] on the subject (7th WMO Workshop on the Impact of Various Observing Systems on NWP , held virtually, 30th Nov - 3rd Dec 2020).
  
 ==== ITWG NWP Working Group Reports ==== ==== ITWG NWP Working Group Reports ====
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 The reports of the NWP Working Group from previous ITSC conferences are provided here in PDF format The reports of the NWP Working Group from previous ITSC conferences are provided here in PDF format
  
-  * [[:wg_reports:nwp_20wg_202019.pdf|ITSC-22, Saint-Sauveur, November 201]]9 +  * {{:groups:itwg:nwp:wg_reports:itsc23_nwp_wg_report.pdf|ITSC-23, Online, June 2021}} 
-  * [[:wg_reports:nwp_20wg_20report_20itsc-21.pdf|ITSC-21, Darmstadt, Germany, November 2017\\ ]] +  * {{:groups:itwg:nwp:wg_reports:nwp_wg_2019.pdf|ITSC-22, Saint-Sauveur, November 2019}} 
-  * [[:wg_reports:nwpwg_itsc20.pdf|ITSC-20, Lake Geneva, USA, October 2015\\ ]] +  * {{:groups:itwg:nwp:wg_reports:nwp_wg_report_itsc-21.pdf|ITSC-21, Darmstadt, Germany, November 2017}} 
-  * [[:wg_reports:itsc19_nwp_wg_report.pdf|ITSC-19, Jeju, South Korea, March 2014]] +  * {{:groups:itwg:nwp:wg_reports:nwpwg_itsc20.pdf|ITSC-20, Lake Geneva, USA, October 2015}} 
-  * [[:wg_reports:itsc18_nwp_wg_report.pdf|ITSC-18, Toulouse, France, October 2011\\ ]] +  * {{:groups:itwg:nwp:wg_reports:itsc19_nwp_wg_report.pdf|ITSC-19, Jeju, South Korea, March 2014}} 
-  * [[:wg_reports:nwp_report_from_itsc-17.pdf|ITSC-17, Monterey, USA, April 2010]] +  * {{:groups:itwg:nwp:wg_reports:itsc18_nwp_wg_report.pdf|ITSC-18, Toulouse, France, October 2011}} 
- +  * {{:groups:itwg:nwp:wg_reports:nwp_report_from_itsc-17.pdf|ITSC-17, Monterey, USA, April 2010}} 
-  * [[:wg_reports:itsc16_nwp_wg_report.pdf|ITSC-XVI, Angra dos Reis, Brazil, May 2008]] +  * {{:groups:itwg:nwp:wg_reports:itsc16_nwp_wg_report.pdf|ITSC-XVI, Angra dos Reis, Brazil, May 2008}} 
-  * [[:wg_reports:itsc15_nwp_wg_report.pdf|ITSC-XV, Maratea, Italy, October 2006]] +  * {{:groups:itwg:nwp:wg_reports:itsc15_nwp_wg_report.pdf|ITSC-XV, Maratea, Italy, October 2006}}
-  * [[:wg_reports:itsc15_nwp_wg_report.pdf|ITSC-XIV, Beijing May 2005]] +
-  * [[:wg_reports:itsc13|ITSC-XIII, Ste. Adele November 2003]]+
  
 ==== Interactions with other groups ==== ==== Interactions with other groups ====
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