Warnings for postal code

Our severe weather centres

Severe weather warnings for Aarau

no active warning

Alert level details for Aarau

•       level green (no warnings)
• no active warning
•       level dark green (weather notice)
• icy roads
• severe frost: < -10 °C
• heat: > 30 °C
•       level yellow (severe weather watch)
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severe weather watch

Weather watches (YELLOW) are issued up to 48 hours in advance as the occurrence of the event may not be certain or there may be greater changes in time or in the intensity and in the moving direction of the forthcoming severe weather.

•       Alert level Orange
• severe gale/storm: gusts of 75 to 100 km/h
• heavy rain: precipitation amount of 30 to 50 l/m² during 24 hours
• heavy rain: precipitation amount of 60 to 100 l/m² during 48 hours
• heavy snow: fresh snow of 10 to 15 cm during 12 hours
• heavy snow: fresh snow of 15 to 20 cm during 24 hours
• thunderstorm: hail diameter of 0.5 to 1 cm
• thunderstorm: precipitation amount of 10 to 20 l/m²
• thunderstorm: gusts of 75 to 100 km/h
• freezing rain: precipitation amount of 0.1 to 1 l/m²
•       Alert level red
• severe gale/storm: gusts of 100 to 130 km/h
• heavy rain: precipitation amount of 50 to 100 l/m² during 24 hours
• heavy rain: precipitation amount of 100 to 150 l/m² during 48 hours
• heavy snow: fresh snow of 15 to 25 cm during 12 hours
• heavy snow: fresh snow of 20 to 40 cm during 24 hours
• thunderstorm: hail diameter of 1 to 3 cm
• thunderstorm: precipitation amount of 20 to 60 l/m²
• thunderstorm: gusts of 100 to 130 km/h
• freezing rain: precipitation amount of 1 to 5 l/m²
•       Alert level violet
• severe gale/storm: gusts > 130 km/h
• heavy rain: precipitation amount > 100 l/m² during 24 hours
• heavy rain: precipitation amount > 150 l/m² during 48 hours
• heavy snow: fresh snow > 25 cm during 12 hours
• heavy snow: fresh snow > 40 cm during 24 hours
• thunderstorm: hail diameter > 3 cm
• thunderstorm: precipitation amount > 60 l/m²
• thunderstorm: gusts > 130 km/h
• freezing rain: precipitation amount > 5 l/m²

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