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Orange Thunderstorm Warning Issued for Ibiza and Formentera

September 17, 2026 · wweather1 editorial · 1 min read

Meteoalarm has issued an orange severe thunderstorm warning for Ibiza y Formentera in Spain, beginning on September 18, 2026. The alert remains in effect until the morning hours of the same day.

An orange level high-severity warning has been officially activated for the area of Ibiza y Formentera. Authorities note that the severe weather conditions are expected to impact the region starting at midnight on September 18, 2026.

The alert period is scheduled to conclude at 09:59:59 UTC on September 18, 2026. Residents and visitors in the affected zones are advised to monitor official updates as the weather event progresses.

This high-severity thunderstorm warning indicates potential hazards associated with the severe weather system passing through the specified Spanish territory.

Why it is dangerous and what to do

⚠️ Safety
• Stay indoors and avoid travel during the peak of the thunderstorm.
• Secure outdoor objects that could be blown away by strong winds.
• Unplug sensitive electronic devices to protect them from power surges.
📰 Data source: MeteoAlarm. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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