Oct 012012

    The HyMEx Campaign (see presentation of the campaign) officially started in September 6th this year for a special observation period of 2 months. The TARA radar arrived on site in August 28th and started to operate on the 29th in the evening, providing already some nice measurements which shall be processed soon (some posts might follow soon on the ATMOS weblog ).

This TU Delft project also involved students (3 masters and 2 phd) in this adventure. The 3 master students are involved in short projects under a DRI environment initiative. They started a preparatory work at TU Delft (co-supervised by Christine Unal and Igor Stepanov) begining / mid september. Two of them, Kyriaki and Ning are directly invovled with the data processing of the TARA radar. The other student, Bas Crezee is working on a cloud resolving model (ARPS) in order to simulate one heavy previpiation event that occur during this campaign.

visit of the research aircrafts

opearating the TARA radar








Since 1st October, they officially started the fieldwork part of their project. They will be on site for the coming for 2 to 3 weeks and will then return to TU Delft to finalize their project. The main goal of the fieldwork part is to provide students a global understanding of how such an international experiment is operated. This fieldwork is, therefore, combining visit of the different ressources which have been deployed for the measurement campaign, work on their own topic as well as learn how to operate the TARA radar during precipitation events.

forecast section at the Hymex operation center

visit of the NSSL radar (National severe storms laboratory)



Impression of the students, regarding these activities, can be found under the student logbook section of this weblog.

Enjoy the reading!

May 072012

Following is an invitation sent by the ecolution team of TU Delft. You are warmly invited to follow the presentation as well.

Dear All

We invite you for the Hymex lunch lecture on 29 May, Tuesday 2012 from 12:30-13:30 in room no 6.75 at Civil Engineering Department (6.75 CiTG). This exciting lecture provides you a unique opportunity to take part of the observation of Heavy Precipitation events in South France which is the International Measurement Campaign Hymex

In October 2012, TU Delft is offering a unique opportunity for master students to participate in an International campaign as part of their master degree either for a small assignments counting for 10 ECTS or as part of their master thesis (40 ECTS). Selected students will have to combine a fieldwork experience in South of France with data analysis when coming back to Delft. During the fieldwork, students will learn to conduct campaign at an international level by visiting different sites such as atmospheric site, hydrological sites, operational center, research aircrafts etc. and will have to operate TU Delft sensors which will be deployed in the campaign location.

More information can be found on the following weblog: hymex.weblog.tudelft.nl. An overview of the Hymex campaign together with the TU Delft education project will be presented during the lecture.



The northwest Mediterranean, and particularly South of France, is prone to heavy localized precipitation events (HPEs), which often lead to flash floods responsible for significant damage and casualties each year. Such events are mainly triggered by a complex multi-scale interaction of the regional meteorological situation with smaller meso-scale weather processes and favorable orographic conditions. Yet, this complex interaction is not really well understood, making HPEs difficult to accurately forecast.

The HYdrological cycle in the Mediterranean Experiment (HyMeX) aims at a better understanding and quantification of the hydrological cycle and related processes in the Mediterranean, with emphasis on high-impact weather events, inter-annual to decadal variability of the Mediterranean coupled system, and associated trends in the context of global change. One of the main HyMEx challenges is to combine dense observation networks (ground-based, aircraft satellites) with ‘criss-crossed’ meso-scale forecast models during several months of a special observation period, in order to better understand the different processes interacting for the formation and development of HPEs.







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