Dana 2025 Valencia High. Besides the cost in human lives and the massive disruption caused, this week’s dana in valencia province will be the most expensive natural disaster in spanish history. The dana (isolated depression at high levels) hit the province of valència hard last tuesday, causing severe flooding and river overflows.

Besides the cost in human lives and the massive disruption caused, this week’s dana in valencia province will be the most expensive natural disaster in spanish history. The dana encountered water temperatures around 72 degrees fahrenheit (22 degrees celsius) off the coast of valencia, while the usual temperature for this time of year is around 70 f (21 c).