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Drought 4/5 high BAFU-TROCKENHEIT

Drought level 4: southern Mittelbünden affected

Unchanged since the first report last verified 18:13 CEST

Summary

A level 4 of 5 drought warning is in effect for southern Mittelbünden (südliches Mittelbünden). Groundwater and spring levels are falling, straining drinking water and agriculture.

What hazard threatens

Prolonged drought lowers groundwater and spring levels, strains the drinking-water supply of smaller municipalities and agriculture, and markedly increases the risk of forest and field fires.

Local weather conditions

Measuring station Bivio, 1856 m a.s.l., 13 km from the event

Daily maximum

25.1 °C

on the day of the warning · Reported at 02:00

Precipitation, 30 days before the warning

40 mm

Days without precipitation before the warning (min. 1 mm)

4

Day of warning and following days

  • Thu 30.07. 25° 10° measured

As of: Values as at the time of the warning; they are not updated afterwards.

Source: MeteoSwiss

Context & protective measures

Background: dry spells are becoming more frequent and longer in Switzerland. Prolonged drought lowers groundwater and spring levels, strains the drinking-water supply of smaller municipalities and agriculture, and markedly increases the risk of forest and field fires. The FOEN rates the situation by region across several warning levels.

Recommendation

The likelihood of occurrence is low, but the potential impact is high. Use the linked guide to prepare in a targeted way.

What to do now

Use drinking water sparingly, observe municipal water-use restrictions and fire bans, avoid open fires outdoors and barbecuing in the forest, and keep a drinking-water reserve. Follow the guidance of your municipality and the authorities.

Risk matrix

Event location

Coordinates · WGS84
46.5644° N, 9.5862° E
46°33′51.9″ N   9°35′10.3″ E