Environment and prevention

Flood risk prevention is a key economic and social issue for many institutional and private actors. Most of the time, these risks are linked to rivers with a high risk of flooding during centennial and/or decadal floods, or to watersheds subject to sudden and exceptionally large storms.

Weather Measures has developed a meteorological warning system focused on small delineated watersheds.

This system allows the industrial or local authority to trigger progressive safety actions by means of pre-alert and then alert levels until the final decision is made to put people in safety.

Our system also aims to make it easier and faster to restart operations at monitored sites.

Weather Measures adapts to the needs of each type of actor, and for each project :

● Weather Measures proposes a robust methodology to meet the expectations of the sponsor, taking into account the complexity of the targeted site and its environment, as well as the criticality of the study.

● Weather Measures describes the organization that will be implemented to achieve your service (team allocated to the study, planning, meetings and reports), and the quality assurance plan if necessary.


Our meteorological warning system is intended to be gradual and based on relevant and aggregated indicators to be exploitable by a non-specialist in urban meteorology and hydrology.

It allows pre-alerting on delays to be validated together before an episode with risk of flooding and is refined over time to confirm or not this pre-alert and lead to a definitive alert of the order of 30 minutes before an episode at risk.

Our system is based on warning indicators defined from meteorological conditions (precipitation) and hydrological conditions in the area to be monitored (flow or height of water, especially for rivers).

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