Warnings for postal code

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Our severe weather centres

Severe weather warnings for Hennebont

no active warning

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Alert level details for Hennebont

•       level green (no warnings)
• no active warning
•       level dark green (weather notice)
• severe frost: < -10 °C
• heat: > 30 °C (elevations below 1000m)
•       level yellow (severe weather watch)
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severe weather watch

We issue a severe weather watch when severe weather is expected during the next 48 hours, but there are uncertainties about the intensity, moving direction and/or timing of the event.

•       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 (elevations below 1000m)
• heavy snow: fresh snow of 15 to 20 cm during 12 hours (elevations above 1000m)
• heavy snow: fresh snow of 15 to 20 cm during 24 hours (elevations below 1000m)
• heavy snow: fresh snow of 20 to 40 cm during 24 hours (elevations above 1000m)
• 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 (elevations below 1000m)
• heavy snow: fresh snow of 20 to 40 cm during 12 hours (elevations above 1000m)
• heavy snow: fresh snow of 20 to 40 cm during 24 hours (elevations below 1000m)
• heavy snow: fresh snow of 40 to 70 cm during 24 hours (elevations above 1000m)
• 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 (elevations below 1000m)
• heavy snow: fresh snow > 40 cm during 12 hours (elevations above 1000m)
• heavy snow: fresh snow > 40 cm during 24 hours (elevations below 1000m)
• heavy snow: fresh snow > 70 cm during 24 hours (elevations above 1000m)
• 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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