Point Reyes National SeashoreSept. 13, 1928: What may have been a Category 5 hurricane strikes Puerto Rico. The storm had already torn through the Lesser Antilles, devastating the island of Guadeloupe. The storm moves on to south Florida, where it breaches a levee on the shallow Lake Okeechobee. The Florida floods kill an estimated 2,500 people, and as many as 2,000 others are killed in the Caribbean.

Sept. 13, 1962: Point Reyes National Seashore (at right) is established on a windswept peninsula north of San Francisco.

Sept. 13, 1988: Hurricane Gilbert pounds the Cayman Islands with 155 mph winds. Gilbert causes 319 deaths over a huge geographic area, from flooding in Venezuela and Costa Rica to spinoff tornadoes that kill three in Texas.

Sept. 13, 2011:  Dallas breaks its record for 100f degree days, with seventy for the year. Cities all over Texas and Oklahoma set similar records during one of the most scorching summers ever.

Photo: Shamanic Shift/Flickr

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.