Juan G.R. Effects of storms and tornadoes in southern E U. and northern Mexico.
Water and Irrigation. Vol .: 6, No. 1: 15-16, June, 2015, Spain.
The storms caused major flooding and generated tornadoes that killed 24 people between the states of Texas and Oklahoma, as well as 14 dead in the Mexican border city of Acuña, when a tornado swept 270-300 kph the city. In the southern part of Houston fell about 275 mm of rain in a period of about six hours, which caused floods, fatalities, damage to housing and lack of electricity. The affected area is within Tornado Alley,it is made great efforts in afforestation, but still insufficient to counteract the effects of climate change and the destructive tornado activity, so it is recommended to increase the repopulation forest in the region, since a greater presence of forest area, it tends to regulate the temperature and increase the barrier of trees to attenuate the effects of tornadoes and wind storms.
In the southern part of Houston fell about 275 mm of rain over a period of about six hours, which caused floods and 4 dead, drivers left more than 2,500 cars throughout the city, seeking higher ground. 500 rescues were carried out in the areas affected by the storm and there was power failure that affected about 70 thousand people. Due to the large continuous rain runoff from a dam collapsed in Padera Lake, south of Dallas. The accumulated rainfall in the month of May 2015 in the states of Texas and Oklahoma have established historical record rainfall areas where accumulated of over 400 mm are reported. From Colorado and Nebraska to Oklahoma, Texas and Arkansas several cities have broken the record for rainfall in the month of May.
Torrential rains caused flooding on Monday May 25, which killed 12 people in Texas, five in Oklahoma and 4000 homes were damaged. Texas Gov. Greg Abbott declared a major disaster in 37 counties, allowing more assistance mobilization of state resources. In Mexico, at least 14 people died when a tornado struck the city of Acuña, a city of 125,000 inhabitants on the border with the US, among the victims of the tornado winds of 270-300 kilometers per hour, it had a baby that was torn from the arms of their parents and thrown into the air, reported the Associated Press. Later the rain continued and the death toll in Texas and Oklahoma increased to reach the figure of 24 dead, which continues to rise.
The storms made their way east of Arkansas and Louisiana on Monday night. A tornado touched down in North Little Rock, but the damage was minimal, ArkansasOnline.com reported. The New Orleans Times reported that thousands of residents were left without electricity after storms Monday. Entergy, a major supplier of energy in the city, reported 37,000 customers without electricity.
Climate change is characterized by prolonged droughts and heavy rains that alter weather patterns, causing major disasters and floods, rising global temperatures, melting, rising sea levels and increased tropical storm activity and cyclones.
The regions located in the central United States have more favorable for the formation of thunderstorms that produce tornadoes conditions. The area of the Great Plains is relatively flat and this allows the cold polar air from Canada meets the warm tropical air from the Gulf of Mexico through the southern United States, when these two air masses meet, that’s when much of tornadoes originate.
Most tornadoes in the United States are formed in an area known as Tornado Alley area. The core of this area includes parts of the states of Nebraska, Kansas, Oklahoma and Texas, gradually extending side regions of this large area as part of the states of Colorado and New Mexico to the west and the states of Arkansas, Louisiana, Mississippi and Tennessee in the South, coming from the Southeast to the states of Alabama, Georgia, Florida and South Carolina. In the colateral side of the inferior part to the states of the High Plains areas and Southern states are states of the Midwest that are also affected by the tornadoes. Most tornadoes occur mainly in agricultural areas and require moisture and variability of temperature.related whith weather changes in the spring and summer
An analysis of the situation of storms and tornadoes formed in the damaged areas, it appears that they have originated in an area of high probability of occurrence of these phenomena, which is located in the tornado alley, this region is strongly influenced climate change and the meeting of cold polar air from Canada to the warm tropical air from the Gulf of Mexico. In the area it have made great efforts in afforestation, but still insufficient to counteract the effects of climate change and the destructive tornado activity, so it is recommended that the reforestation of the region should increase as a greater presence of forest area, it tends to regulate the temperature and increase the barrier of trees that mitigates the effects of wind tornadoes, carbon emissions should be reduced in the fight against climate change.