Should you change your email address you do not need a new weatherzone account.
It's easy to change your weatherzone email address login. Click to 'Account Settings' on the menu options that loads under your name (You are logged in as John) , change the email address under "My Detail" and submit the changes. You will then be asked to confirm the changes. Please take the time to check that your new email address is correct.
After confirming the changes you will be sent an email to the new address asking to you to click a link for verification. This will allow you to log back into weatherzone with your new email address as your login.