During the past couple of days the buzz about Yahoo!'s search update had been doing the rounds at many blogs and forums, see: January 2008 Update For Yahoo! Search?.

The official announcement for the same has now come from the Yahoo! Search Blog. “Over the last few days, we've been rolling out some changes to our crawling, indexing and ranking algorithms. While we expect the update will be completed soon, as you know, throughout this process you may see some ranking changes and page shuffling in the index.” says Sharad Sharma of Yahoo! Search.

So if you already have or notice some changes in your rankings at Yahoo, you might very well attribute it to the Yahoo! "Weather Report."