It is known as Isaac's Storm and was the subject of a book by Erik Larson by the same name. It is based on the diaries of Isaac Cline, a memeber of the weather service, and other contemporary accounts of the hurricane.
Here are two links:
The book http://www.randomhouse.com/features/isaacsstorm/
The Hurricane http://www.wintertexans.com/galvestonhurricane.htm