Email for a friend of mine

Good morning!

How are you today?
I'm pretty good.

Yestarday, there were so big hurricanes typhoons1 in Japan, and a lot of poor much public transportation services such as train,bus. were disrupted.

I hope you have a great day today.

I look forward to our conversation tomorrow.

Regards
Atusi

1.  Typhoons are categorized as major huge storms.  You don't need to add more adjactives to it unless they are abnormally large even for them.  Japanese/Chinese saying, 画が蛇だ添てん足そく!

Email for a friend of mine

Good morning!

How are you today?
I'm pretty good.

Yesterday, there were so big hurricanes in Japan // and a lot of poor public transportation services such as train,bus.  and the public transportation system was thrown into disorder //  that disrupted public transportation services such as buses and trams.

I hope you have a great day today.

I look forward to our conversation tomorrow.

Regards
Atusi

Email for a friend of mine

Good morning!

How are you today?
I'm pretty good. [This is okay, but very informal. "I am well", or, "I am doing well" would be better]

Yestarday,There were so big hurricanes in Japan,and a lot of poor public transportation services such as train,bus. [Yesterday, there was a big/huge hurricane (just one, I hope!) in Japan, and it/the severe rain/weather caused/created many problems with the public transportation system]

I hope you have a great day today.

I look forward to our conversation tomorrow.

Regards
Atusi

Email for a friend of mine

Good morning!

How are you today?
I'm doing pretty good.

Yesterday several major typhoons hit Japan and the public transportation services  such as trains and buses were heavily affected.

I hope you have a great day today.

I look forward to our conversation tomorrow.

Regards
Atsushi