Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Marine Climate Monitoring relevant to WMO / CCl Christiana Lefebvre DWD in Hamburg Seewetteramt Section: Marine Climate Monitoring

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – International Marine Meteorological Involvement Content: International Exchange of Marine Meteorological Data (Marine Climatological Summary Scheme) Modernization of MCSS Historical Data from Logbooks

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – International Marine Meteorological Involvement JCOMM - Joint WMO/IOC Technical Commission for Oceanography and Marine Meteorology

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – EUCOS - EUMETNET Composit Observing System EUCOS aims to establish and operate a truly European observing network leading to better-quality numerical and general forecasts, initially on a European scale. Marine Component of the EUCOS Operational Programme: E-ASAPE-SURFMAR DB-TAG International Marine Meteorological Involvement VOS DB-TAG VOS-TAG Data Buoy Deutscher Wetterdienst is responsible member of the EUCOS Programme Phase

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – International Exchange of Marine Meteorological Data WWW: World Weather Watch MCSS: Marine Climatological Summaries Scheme

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Stock in Rotterdam Hamburg Rostock Bremerhaven Stock in Neuseeland Port Meteorological Office

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – The Fleet of Voluntary Observing Ships (VOS) US DE GB JP BR RU CA NL IN YU MY SA AU SE BE PL FR NZ PH SG CN DK HR HK LV BG ZA ID LT KR TZ PK IE PT KE NO FI IT KP GR IS LK AR CU AZ BD CL TH IL EC ES Number of VOS

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Spatial Distribution of VOS Observations

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – The Tasks of the GCCs  GCCs ensure, that WMO agreed Minimum QC Standards are applied and feed back results to CM  All data received by GCCs is distributed to 8 RMs quarterly  VOSClim ship data is submitted to DAC  At the year end a ‘GCC Annual Report’ is published highlighting GCCs work and data received  GCCs provide advice/support to CMs

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Results from GCC‘s Annual Report 2008

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Results from GCC‘s Annual Report 2008

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Archiving of Marine Meteorological Data at DWD  DM – VOS Data  Real-time VOS Data via GTS  Data from Platforms or moored Buoy Data via GTS  Data from drifting Buoy via GTS

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting –

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – VOS Data Archive at DWD

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – High Quality Control of VOS Data at DWD  On-land Position Check  Time-sequence Check  Comparisons of different Parameters with a Climatology  Manually correction of data errors

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting –  Archive of statistics for all between 77.0 N bis 60.0 S for the period 1951 – 2000 and for decades MARDAB - Marine Data Base  Means, extremes, frequency distribution (1-, 3-dimensional), variance of different elements as wind, waves, mean sea level pressure, temperatures (TL, TW, TD), visibility, cloud cover, rel. humidity, evaporation  Basis: - About 51 millions of observations of the VOS fleet - quality controlled data by using HQC (flags) - elimination of the port problem due to use of automatic stations  About 1200 Sea Areas of 5° x 5°, partly 2,5° x 2,5° or 10° x 10 °

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Monitoring Products Monthly Air Temperatures and Anomalies across the North Atlantic Ocean

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Marine Climatological Summaries decadal periods chart form (Mercator projection) for the area of responsiblity unit areas of 5° x 5° squares tabular form order of presented data monthly and annual charts tabular form for fixed stations and representative areas no financial support by WMO Regulations for the presentation of the MCS: N o l o n g e r ‚S t a t e o f t h e A r t‘

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Modernization of MCSS ETMC established 2 Task Teams in 2007:  Task Team on Marine and Oceanographic Climatological Summaries (TT-MOCS)  Task Team on Delayed Mode VOS Data (TT-DMVOS)

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting –  Future Data Flow Main Topics of the TT-DMVOS / TTMOCS Planning Meeting 2008  Higher Quality Standards (HQCS)  Revisions of IMMT and Minimum Quality Control Standards (MQCS)

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Draft for the Future Marine Data Flow

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Historical Data from Logbooks DWD holds an Archive of 7796 met. Journals from Sailing Ships and about met. Journals from Steamers

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Archive of Historical Data from Logbooks since 1830

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Digitization of the Historical Data: Project HISTOR HISTOR aims in:  Providing quality controlled historical Data  Providing Metadata  Preserving the content of the logbooks by imaging

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Digiti- zation Instr. Corr. Date, Time, Pos Met. Check ArchiveNo. of booksNo. of Obs completedca POS-Files ERF-Files MarkObs Σ doneca Σ total - Σ doneca ca State of the historical Archive Σ ca million

Deutscher Wetterdienst Climate Monitoring CCl Expert Team Meeting – Many thanks for your attention