The storm named Allison never became a hurricane, it was just a tropical storm. A hurricane/tropical storm name is retired if the storm is especially devastating, and Tropical Storm Allison of 2001 caused massive damage from flooding. Because of this no future storm will be named Allison (normally a name is reused every 6 years). So instead the first tropical storm in the Atlantic in 2007 was named Andrea.

Allison was a tropical storm and never became a Hurricane. At peak intensity Tropical Storm Allison had winds of 60 mph. A storm needs winds of at least 74 mph to be a hurricane.

Tropical storm Allision was never a hurricane, only a tropical storm. To be a hurricane, a storm must have sustained winds of at least 74 mph. Allison's winds never got above 60 mph.

Tropical Storm Allison was a tropical storm that devastated south-east Texas in June of the 2001 Atlantic hurricane season. The first storm of the season. Allison lasted unusually long for a June storm, remaining tropical or subtropical for 15 days.

Tropical storm Allision was never a hurricane, only a tropical storm. To be a hurricane, a storm must have sustained winds of at least 74 mph. Allison's winds never got above 60 mph.