Storm warning service on Bavarian lakes; organisation

On larger Bavarian lakes, water sports enthusiasts are warned of strong winds and storms with optical warning signals or by other means.

Description

As a water sports enthusiast, you will be warned of strong winds and storms on the following Bavarian lakes with visual warning signals or by other means:

  • Ammersee, Starnberger See and Wörthsee.
  • Staffelsee, Riegsee and Walchensee
  • Tegernsee, Schliersee and Simssee
  • Lake Chiemsee and Lake Waginger-Tachinger
  • Lake Forggensee
  • Lake Altmühl, Lake Igelsbach, Lake Kleiner Brombach, Lake Großer Brombach and Lake Roth

This is usually done by storm warning lights.

For the strong wind warning, warning signals are given by orange flashing light with 40 flashes per minute; it takes place at a wind force of 6 and 7 Beaufort. The strong wind warning is intended to make water sports enthusiasts aware of the danger and to prompt them to carefully follow the weather development and to adjust their behaviour accordingly.

The storm warning, which is given when the wind force exceeds 8 Beaufort, is given by flashing orange lights at 90 flashes per minute. The storm warning is intended to prompt water sports enthusiasts to take all precautionary measures without delay and to seek the shore or places sheltered from the wind. In addition, radio announcements are initiated during storm warnings.

The storm warning service is characterised by the interaction of various authorities and agencies. In particular, the responsible safety authority, the police, the German Weather Service (Munich Regional Weather Advisory Service) and the Integrated Control Centres are involved; storm warning commissions can also be formed.

The storm warning service is a task of the safety authorities, i.e. the competent district administrative authority or the municipality if a lake is located exclusively on its territory.

The competent district administrative authorities and municipalities are responsible for the organisation of the storm warning service, in particular they are to provide and maintain the necessary storm warning facilities.

In addition, the safety authorities shall also set up storm warning commissions consisting of persons who observe the weather development on site on their behalf and who are available as contact persons for the German Weather Service, Munich Regional Weather Advisory Service.

The German Meteorological Service, Munich Regional Meteorological Office, is responsible for issuing storm warnings and giving the all-clear. He

  • initiates the issuing of strong wind and storm warnings as well as their all-clear by the responsible Integrated Control Centres (ILS),
  • arranges for radio announcements in the event of storm warnings,
  • informs the operations centres of the police headquarters,
  • informs the safety authorities/storm warning commissions.

After receiving the warning from the German Meteorological Service, the Integrated Control Centre triggers the storm warning devices (high wind or storm warning). After the all-clear has been given by the German Meteorological Service, the Integrated Control Centre terminates the high wind or storm warning.

The police support the safety authorities in the fulfilment of their tasks. In boat operations, it particularly reports changes in weather conditions to the German Weather Service, Regional Weather Advisory Munich, and monitors the operation of the storm warning lights.

Deadlines

The storm warning service is basically operated from 1 April to 31 October from 7.00 am to 10.00 pm. Deviating from this, the storm warning service at Walchensee already starts on 01 March and at Forggensee only on 01 May.

Status: 10.11.2021

Responsible for editing: Bayerisches Staatsministerium des Innern, für Sport und Integration

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