Dust storms are common in the north and centre, often occurring before rainstorms in the late spring and early summer.
As often occurs after a storm, Lake Pontchartrain is sloshing back and forth, sending pulses of water into the city and potentially complicating repairs, Dr. Penland said.
Storms often occur along the boundaries and especially when they collide, ie almost every summer afternoon.
Media storms often occur when something happens on the European far right.
It's also one of the very few battery-powered models on the market, meaning it can work far from an outlet and in the event the power goes out, as often occurs during a serious storm.
Storms of very high intensity often occur early in the summer (in April and May) and late in the monsoon season (September to October, and sometimes November).
Ironically, in the financial markets, unusually low volatility often occurs before powerful, volatile moves - the "calm before the storm," so to speak.
Fortunately for NASA, dust storms tend to trap radiation, preventing the kind of wild temperature swings that often occur on Mars.
During that period, hurricane-force dust storms, filling the atmosphere with dust to altitudes up to about 13,000 feet (4,000 metres), often occur.
These storms tend to form in preferred locations and follow typical paths, although exceptions to these typical patterns often occur.
Layering often occurs naturally.
