Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

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List of actions taken by WSO Cincinnati during the tornado outbreak	Preliminary summary of the tornado outbreak compiled by WSO Cincinnati	Compelling summary of tornadoes within WSO Cincinnati's area (inc. Sayler Park)
Preliminary NWS Service Assessment (Apr. 1974)	Final NWS Service Assessment (Dec. 1974)	Civil Preparedness Today: Foresight (Jul./Aug. 1974)
Jumbo Tornado Outbreak of 3 April 1974 (T. Theodore Fujita)	Synoptic Analysis (Oct. 1975)	Revisiting the Super Outbreak (Corfidi et al. 2010)