Better communication, in order collate the data, to make a forecast.
Use of computers to make the many calculations needed.
Better understanding of the Chaos theory, required to understand predictions.
the weather changed frequently... it would be hot one day and FREEZING another. Because it was built in a time span of 6 years the weather wasn't always the same
wasdaSD
Over a twenty year period, you have become an expert on crop rotation, animal breeding, finances, weather forcasting, community and school district relationships, politics and a responsible neighbor.
Meteorology has changed throughout the years because of changes in technology. Weather can be tracked successfully with high tech tools that exist today.
but cheese
They are programmed with historical data relating to weather - sometimes going back centuries. The computer then uses this data to predict what the weather is likely to be at a given time. For example, in previous years, June was seen to be a warm month with little rain - so next June the weather is very likely to be similar. However - even the most sophisticated models cannot accurately predict the weather more than about five days in advance.
During the recent years US changed because of economy and a lot of other changes.
Abyssinia was changed to Ethiopia during the war II years between 1941-45, when Italy occupied and annexed Abyssinia.
Ferdinand Magellan was a Spanish explorer. During his voyage in circumnavigating the world, he sailed through cold weather and extreme rains for many years.
It was built in 1068, but demolished during the Civil War. During the 19th century it was almost built anew.
The President was approximately seven years old when the Weather Underground formed and, no, he was not a member.
Laurent from Twilight is over 300 years old. He is a vampire who was changed during the 18th century.