Changes Caused by Weather

• A flood is when water flows onto land that is normally dry
• This can come from heavy rains or snow that melts too fast
• Floods can carry mud and sweep away anything in it's path

 

• Floods help take new soil to the land
• Many fires are caused by lightning

 

• Most places recover from natural fires
• To keep the land safe, do not play with matches or light fires in dry places
• A tornado is a strong column of spinning wind

 

• They can destroy everything in their path
•  (narrow path)
• The Great Plains in the USA are called the "Tornado Alley" because there are many many Tornadoes
• A Hurricane is a large powerful swirling storm
• They have strong winds and heavy rains
• Hurricanes form over warm oceans and cause heavy flooding and destruction

 

 

• High temperatures are causing more hurricanes
• Gravity and heavy rains can cause landslides (rocks and soil move very fast downhill)
• An avalanche is like a landslide made of snow and ice