A firefighter looks on as a fast-moving wildfire approaches Elizabeth Lake Road in the Leona Valley near Palmdale, Calif., on Thursday, July 29. Mandatory evacuations were issued for the community of Leona Valley on Thursday evening, Los Angeles County fire inspector Matt Levesque said.
Milwaukee sinkhole: Torrential rains Thursday night created a Milwaukee sinkhole that swallowed a sport utility vehicle and traffic light.
Storm chasers have wrapped up the most dangerous stage of a comprehensive study on how tornadoes form.
Ventura fire threatened nearby homes, but was 60 percent contained by late Tuesday, fire officials said.
Rio Grande: River-watchers witnessed the Rio Grande transform from a lazy waterway to a vast expanse of brown water.
A third vessel for oil collection is set to come on line, and the containment cap is to be replaced. Forecasted calm sea winds in the Gulf oil spill area make this weekend advantageous for the operations.
The forecasts call for hot weather not just during daytime, but also at night, when many people don't have air conditioning to keep their bedrooms cool. The heat wave could persist through the week.
Hurricane Alex has made Gulf coast beaches particularly vulnerable. "With this weather, we lost all the progress we made," says scientist.
Bridgeport tornado: Trees were split in half, cars were crushed, and power lines were toppled as a suspected tornado ripped through Bridgeport, Connecticut Thursday.
The VORTEX-2 tornado research project completed last week aims to increase warning times and reduce false alarms.