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Wildfire 4/5 high BAFU-WALDBRAND

Wildfire danger level 4 in Kanton Nidwalden

Unchanged since the first report last verified 18:13 CEST

Summary

The FOEN reports wildfire danger at level 4 of 5 for Kanton Nidwalden. An area-wide warning is in effect for the region.

What hazard threatens

During persistent dry conditions, surface fires can spread quickly and threaten residential areas and air quality. Smoke and fine particles irritate the airways and severely reduce visibility; at this high level evacuations are possible.

Local weather conditions

Measuring station Gersau, 521 m a.s.l. — reference station for the canton

Precipitation, 30 days before the warning

110 mm

Daily maximum

35.1 °C

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

Strongest gust

57 km/h

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

Day of warning and following days

  • Thu 30.07. 35° 23° measured Tropical night (from 20 °C)

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

Source: MeteoSwiss

Context & protective measures

Background: forest and surface fires occur in Switzerland mainly during dry summers and in Ticino. The main danger to the population is not only the flames but the smoke and fine particles that irritate the airways and severely reduce visibility. The FOEN rates the danger by region on a five-level scale; at high levels, fire bans often apply.

Recommendation

Likelihood is rated medium and impact high. Strictly observe regional fire bans, do not light any open fire outdoors, and avoid outdoor exertion when smoke is present.

What to do now

Keep an emergency kit packed and escape routes clear, close windows and ventilation if you smell smoke, and follow evacuation orders from the authorities immediately.

Risk matrix

Affected area

The warning applies to the entire canton.

Official sources