You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when is tornado season in the united states?" whose answer is March through June.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when is tornado season in the united states
Useful Output:

Doc 1: However, peak tornado season is during the months of March through June, with nearly 70 percent of all tornadoes occurring during this time period.
Doc 2: The months of March, April, May and June are regarded as tornado season, according to the National Weather Service. Tornadoes are often spawned
Doc 3: Tornadoes are a year-round hazard in the U.S., with the majority of the country's 1,000+ average annual twisters touching down between March and
Doc 4: The central United States, known as “Tornado Alley,” typically experiences its peak tornado season from April through June.
Doc 5: Of the 1,194 tornadoes that have already struck American soil this year, as of June 14, 2024, just more than half have been in Tornado Alley.