Department Agrometeorology Use of weather data at farm level Deutscher Wetterdienst Wolfgang Janssen Kaiserleistr. 29 D 63067 Offenbach Tel.: 0049 69 8062 4407 Fax: 0049 69 8062 4482 mail: wolfgang.janssen@dwd.de 17.09.2018 Agrometeorology Nov 2004

find content of advisory Department Agrometeorology find content of advisory typical weather conditions is often changing small time windows for working steps precipitation all over the year farmers benefit take crop with high profit and small risk only working when necessary find optimal time for working climate saisonal next days saisonal measured data forecast data 17.09.2018 Agrometeorology Nov 2004

focus of agrometeorological advices Department Agrometeorology focus of agrometeorological advices most common crops like cereals, grassland, grain, sugar beet, potatoes, some fruits and vegetables give planning help for the next days (fertilizing, sowing, spraying, irrigation, harvesting) describe dependences from weather on crops in physical models 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology Branch offices and their responsibilities central office in Offenbach internal data supply overregional data and product supply internet central research station in Braunschweig validation of advisory programs developing new advisory programs program tools for decentral advisory decentral advisory locations steering program tools for advisory generating regional forecasts und products provide regional products 17.09.2018 Agrometeorology Nov 2004

Working steps central decentral Department Agrometeorology generate from data of synoptic weather stations and forecasts a complete hourly data set for: temperature, dew point, wind velocity, global radiation, precipitation, cloud cover complete time series from 1961 to +168 hours forecast central collecting all data quality check complete data set transfer data running some models generate some products provide products decentral store data set running selected models text advices and forecasts generate products provide products informations ftp internet e-mail telefax products products products provider informations informations Customer farmers government universities companies newspapers magazines plant protection service 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology Products Telephone announcement service common weather forecasts (2 nd - 7 nd day) agrometeorological advices 28 regions strengths: accessible for all cheap weaknesses: only text small regionalisation limited information 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology weather fax (also fax for vine, angler) common weather forecast (2 nd - 7 nd day) table with characteristic weather and agrometeorological values for every day special agrometeorological advices 74 regions strengths: cooperation with farmers association a lot of seasonal information high regionalisation paper form weaknesses: need falefax abo for one year 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology Internet www.agrowetter.de information for agriculture free of charge: warnings reports maps, charts and data on payment: forecast advisory tool phenological situation online irrigation tool www.agrarmet.de our research activities agrometeorological models agroclimatology strengths: high actualisation rate high regionalisation can use graphics, tables, text, colours more detailed information low costs weakness: customers need computer need more resources and knowhow 17.09.2018 Agrometeorology Nov 2004

Example for agrometeorological information without charge Department Agrometeorology Example for agrometeorological information without charge soil moisture 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology Examples for products on payment Registration customer can select one or more stations out of map, put his personal information in a formular, print and send it to us via mail or telefax he gets username and password 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology advisory forecast tool „agrowetterPrognose“ 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology online irrigation service 30 different vegetables and fruits define condition on field online computations settings are stored 17.09.2018 Agrometeorology Nov 2004

Department Agrometeorology plant useable water Irrigation recommandation infiltration real evapotranspiration irrigated water precipitation water-balance during vegetation period 17.09.2018 Agrometeorology Nov 2004