The unoccupied houses collapsed within 45 minutes, the National Park Service said, as a high tide pounded the beach and washed over dunes.

As the frequency and intensity of heat waves increase across the U.S., a similar but more striking phenomenon is occurring in American rivers.

The NWS has issued beach hazard statements for shorelines in Indiana, Michigan, Illinois, Wisconsin, North Carolina, Maryland, and Virginia on Tuesday.

Energy from Hurricane Narda brought big, bombing waves to the Southern California area the past few days, with the strong surf continuing through the early part of the week. The wild waves kept lifeguards busy starting on Sunday when strong currents showed up with 6- to 8-foot surf, even some 10-foot waves, along south-facing beaches.

An updated beach hazards statement was released by the National Weather Service on Saturday at 3:58 p.m. in effect until 11 p.m. for Clatsop County Coast, Tillamook County Coast and Central Coast of Oregon.

While Hurricane Imelda will not make landfall in Palm Beach, its effects are being felt in town as meteorologists warn of erosion and rip currents.

Monday's pink, fluorescent dye drop in Santa Monica Bay is part of a project to study how water circulation could be driving poor water quality.

Fig. 1 An internationally collaborated group, led by Ikerbasque Professor Konstantin Bliokh (upper-right) in DIPC Spain, Nanyang Assistant Professor Yijie Shen (mid-right) in NTU Singapore, and Professer Lei Shi (bottom-right) in Fudan University China ...