Atmospheric hazard

The 2023 Carnival disaster in São Paulo: an all time record for rainfall in Brazil

Paulo Hader May 22, 2023

Photo credit: Image by Mati Mango from Pexels (Pexels licence)

In February 2023, Brazil experienced its largest rainfall event on record, which devastated the northern coast of the state of São Paulo. This event caused landslides, floods, and numerous fatalities, making it even more tragic than previous disasters in the region, which already have been elaborated on in another blog post. The situation highlights the urgent need for effective emergency manageme ...[Read More]

Life with dust: its impacts and how to catch it

Gabriele Amato April 4, 2022

18 April 1935: Dust storm approaching Stratford, Texas. Dust Bowl surveying in Texas. Credit NOAA George E. Marsh Album, theb1365, Historic C&GS Collection. http://www.photolib.noaa.gov/htmls/theb1365.html

In today’s interview, we have the pleasure to meet Dr Slobodan Nickovic, who won the prestigious 2022 Plinius Medal. Slobodan is a research consultant at the Republic Hydrometeorological Service of Serbia, and at the Institute of Physics in Belgrade, Serbia. Throughout his career, he worked for national and international educational, scientific, and operational institutions including the Uni ...[Read More]

2020: The escalation of extreme rainfall events in Brazil

Paulo Hader February 22, 2021

Figure 1. A localized typical summer rainfall near the Serra do Mar in the region of Baixada Santista. Photo credit: Marcelo Fischer Gramani, with permission.

In summer 2020, extreme rainfall events dumped up to 320 mm of rain in a single day in the Baixada Santista metropolitan region, São Paulo state, breaking Brazil’s record for the biggest rainfall in a single event and demonstrating one of the greatest threats of climate change. The damage caused by the associated landslides led to dozens of fatalities and hundreds of homeless people, as well ...[Read More]

Climate Change: is Viticulture under threat?

Paolo Tarolli December 21, 2020

Figure 1 - Supercell reaching Soave hills, north-eastern Italy. (Photo credit: Elizabeth Zanella, Coffele Estate Wine Farm)

In the afternoon of August 29, 2020, an intense supercell, which is a thunderstorm characterized by the presence of a deep, persistently rotating updraft, affected the province of Verona in the north of Italy (Figure 1). It was not the first event of this kind; several other events, including tornado episodes, had already occurred during summer 2020. Here the video of the downburst recorded during ...[Read More]