ESSL Testbed 2021


14 18 June (Online week, Fully booked),
21 25 June (Expert week*),
5 9 July (Expert Week*),
12 16 July 2021 (Online week, Fully booked)
ESSL Research and Training Centre
Wiener Neustadt, Austria

* In the weeks of 21 June and 5 July, invited experts will participate in a Testbed programme with a strong focus on product evaluation and much less teaching. The programme in those weeks assumes you are a very experienced forecaster highly educated in forecasting convective storms. Please contact us if you would like to be considered for an invitation.

The ESSL Testbed 2021 will take place online using ESSL’s video-conferencing subscription. 

What is new in 2021?

At this Testbed edition, a number of new products and will be evaluated. They will probably include:

  • A number of improved Nowcasting products from DWD’s SINFONY project
  • DWD’s ensemble NWP system ICON-D2-EPS
  • ECMWF’s Extreme Forecast Index for CAPE and CAPESHEAR
  • Ensemble model from ZAMG
  • other products

For whom is the Testbed?

The goal of the Testbed is twofold. First, it caters forecasters who want to learn how to forecast severe convective storms using state-of-the-art forecasting tools. Second, it is a hands-on evaluation of new, sometimes experimental, forecast products. This means that both forecasters and developers of forecast products have an interest in the Testbed. In addition, other people having a background in meteorology are most welcome to participate as well. Still unsure, if the Testbed is the right activity for you? Try out our new Quiz!

Please follow these links for:

Weekly programme

The Testbed is active during the following hours each week:

Monday10:00 – 17:00
Tuesday09:00 – 17:00
Wednesday09:00 – 17:00
Thursday09:00 – 17:00
Friday09:00 – 13:00


Testbed participants are provided with the Operations Plan and access to the ESSL Testbed Data Interface two weeks before the first testbed week. It is expected that each participant prepares for the Testbed with approximately one day of studying both the Operations Plan and getting acquainted with the Data Interface in the weeks before travelling to Wiener Neustadt.

A good preparation for the Testbed participation are our courses. Click here for more information.

At the end of the seminar participants will receive a participation certificate.


Registration for the Testbed 2021 is open.
Forecasters and researchers or developers who want to participate in the ESSL Testbed are asked to register as early as possible in order to get a place in the desired week. Last year some of the weeks were already booked out in early spring.

The registration consists of two steps:

  1. Filling in the online registration form
  2. Paying the participation fee by Credit Card or bank transfer (see below)

Important: The registration has only been completed after the payment has arrived at ESSL, and after your registration was confirmed by ESSL. By registering, you agree with the ESSL Terms and Conditions.

Participation Fees

Credit card payment

Payment dateFee
Normal fee€1090
Reduced fee*€890

* Eligible for the reduced rate are individual ESSL members and employees of institutional ESSL members.

The fee includes on-site participation at the ESSL Testbed during one week from Monday till Friday and, optionally, participation in online sessions broadcast from the Testbed in all Testbed weeks.

Bank transfer

You may pay by bank transfer to the following account:

Beneficiary:European Severe Storms Laboratory – Science and Training
Bank:Sparkasse Baden
Bank address:Hauptplatz 15, 2500 Baden, Austria

With your transfer, please indicate “Testbed fee” and your name.
(without indicating your name, we cannot make sure that the transfer came from you).

Local information (hotels, how-to-get-there, etc.)

Please click here for local information.


For questions about registration, participation and payments, please contact Katja Dorninger at:

The ESSL Testbed is financially supported by Convention Niederösterreich: