A microexplosion caused the fall of trees and the collapse of a shed in the city of Herval D’Oeste, in Santa Catarina, on Tuesday (11), according to the Civil Defense of Santa Catarina.
The agency reported that the phenomenon is associated with winds of 100 km/h that hit the region and were recorded by the radar of the municipality of Chapecó, which is also located in the western region of Santa Catarina.
“The displacement of an instability line caused intense rain in a short period of time, lightning, strong gusts of wind and hail, which resulted in flooding, roofing of houses, falling trees, power poles and associated damage. to hailstones in some cities,” the Civil Defense said in a statement.
The governor of Santa Catarina, Jorginho Mello (PL) — who is from Herval D’Oeste — regretted the consequences caused by the bad weather in the state and asked that the population remain attentive to the alerts issued by the Civil Defense.
“The government continues to monitor the situation and is prepared for a prompt response to these situations. It is essential that the population stay informed about the alerts issued by the Civil Defense and protect themselves,” said Mello.
What is a microburst?
According to Climatempo, the microexplosion happens when the air that is close to the cloud is drier and, when it comes into contact with it, it helps to evaporate the water droplets quickly. This causes a drop in temperature and an increase in density, which causes the air to drop sharply and devastate the area it passes through.
These winds can reach 270 km/h and travel about 6 kilometers away, lasting between 2 and 5 minutes.
A microburst is similar to a tornado, but differs from this phenomenon in that, when it strikes a region, it leaves behind a more straight-line pattern of destruction and debris. The tornado, on the other hand, has a more circular pattern of devastation.
Cyclone should form in the southern region
An extratropical cyclone should form on Wednesday night (12) and cause winds of up to 120 km/h and heavy rain with a risk of hail in the three states of southern Brazil, according to Climatempo.
The hardest hit regions should be the north coast of Rio Grande do Sul and the mountains of Rio Grande do Sul and Santa Catarina, where winds of 100 km/h and 120 km/h are expected. In Porto Alegre, gusts should reach 90 km/h.
The Inmet (National Institute of Meteorology) advises the population of areas affected by the effects of the cyclone to avoid taking shelter under trees and park their vehicles close to transmission towers and advertising signs.
The body also requests that electrical appliances and the general power supply be turned off and suggests seeking more information from the Civil Defense (phone 199) and the Fire Department (193).
Source: CNN Brasil
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