North part of the United States goes on alert for tornado formation.

By: Luiz Peres, São Paulo-Brasil.

  Satellite images show the strengthening of storm cores in the states of Kansas, Nebraska, Iowa, and South Dakota.

A low-pressure system is acting over Kansas, directing warm winds from the Gulf of Mexico and Texas toward those regions.

A tornado warning has been issued for northeastern Kansas,Eastern Nebraska, western Iowa, and South Dakota.

Accumulated rainfall will be around 30 to 50 millimeters with winds of 60 to 85 kilometers per hour during the arrival of storms.

Warm winds combined with humidity create the perfect conditions for the formation of cumulonimbus clouds and supercells Increasing the risk of destructive tornadoes from EF2 to EF03.