These enormous, swirling
storm systems form over the ocean.
Not exact matches
The resulting disturbance can
form a self - sustaining low - pressure vortex, or what is called a tropical depression; as the
system intensifies it becomes a tropical
storm.
They can affect the entire atmosphere, possibly seeding new weather
systems that can combine to
form planet - wide
storms unlike anything we see on Earth.
Jeffrey Kiehl, PhD, of the National Center for Atmospheric Research, NCAR, in Boulder, points to volumes of studies exploring responses of extreme
storms to a warming planet and concludes that «these
systems that
form in the tropics can propagate up to the polar regions.»
Besides describing the most benign
form of oceanic
storm, the title Tropical Depression refers to a kind of internal weather
system combining melancholy and a sense of hopefulness.
Possibly, this
forming El Nino also had an impact on formation of tropical
storm systems in the Western Atlantic this past hurricane season.
In addition, a recurring, dust - laden layer of air stretched out over the Atlantic from western Africa and kept a lid on
storm formation, preventing tall thunderheads from
forming and becoming tropical
systems.
A
storm like Irene could happen during any hurricane season, but La Nina reduces wind sheer, a force that zaps energy from weather
systems, high over the Atlantic, making it easier for tropical
storms and hurricanes to
form.
There's effectively a
storm factory over the Atlantic, caused by cold polar air pressing up against warm, tropical air, causing weather
systems to
form.
When tropical cyclones —
storm systems ranging in strength from tropical depressions to major hurricanes —
form over the Gulf of Mexico's warm waters, they have a high chance of causing many deaths as well as widespread property damage in coastal communities.
«
Storm chaser Lance Ferguson followed the
system which
formed in the Oklahoma panhandle.
The mid-latitude cyclones that
form as wave like patterns and migrate along the Polar Front, are major
storm systems that occur more frequently and can impact much larger areas than any other severe weather
system.
Snow is a critical part of the weather
system (did you know there's a whole «cryosphere»), and the ways in which it
forms and melts can help meteorologists predict, for example, the likelihood or severity of a
storm.