midterm 2 Flashcards
(35 cards)
During the drive from from Edmonton to Calgary, we must steer _________ slightly to oppose the __________ effect.
left , coreolis
Changing a solid to a gas without passing through a liquid stage is called _________.
sublimination
Winds cross perpendicular to isobar lines due to which force?
the pressure gradient
When water vapour condenses it _________.
releases latent heat
Deep-ocean waters distribute heat and salt around the world by _________.
thermohaline flow
Seasonal weather change is not as great in the Southern Hemisphere relative to the Northern Hemisphere because __________.
oceans
The _________are the two main jet streams in each hemisphere.
polar jet and subtropical jet
A __________ is the sloping surface between air masses of different temperature and humidity.
front
Which of these is not part of the basic sequence within a lightning strike?
Identical-polarity charges on the ground form beneath the storm
Winds in a hurricane are strongest _________.
eye wall
Hurricanes rotate in a _________ around a central core in the Northern Hemisphere.
counterclockwise (clockwise in southern)
A Saffir-Simpson Scale 5 hurricane has _________ wind speeds relative to a hurricane rated 1 on the same scale.
the lowest pressure and highest
Tornadoes occur along the collision zone between _________.
a cold front and a high-energy warm air mass
Within the eye of a well-developed hurricane _________.
air sinks and warms
_________ cause the __________ associated with a lightning strike.
Shock waves due to the explosive expansion of gasses; thunder
Important requirements for hail to form are _________.
large thunderstorms with buoyant hot air rising from heated ground ; upper-level cold air creating maximum temperature contrasts ; strong updrafts to keep hailstones suspended while adding coatings of ice onto ever-growing cores
__________ is a late season hurricane that formed in the Eastern Pacific a few days after __________ caused __________ in Acapulco, Mexico.
Pilar; Otis; widespread flooding
The Enhanced Fujita Scale ranks _________.
tornadoes based on estimated maximum wind speed
Methane hydrate melting might result in significant global warming.
true
Reef building stores the present day 18O/16O ratio of seawater within the CaCO3 shell walls built by reel-loving bugs. Over time, therefore, reefs capture the history of ocean temperature.
true
The beautiful tone and sustain of a violin made in the late 1600s by Stradavari might correspond to denser wood grown during the 70-year _________.
Maunder Minimum
Wind-speed on the western side of a tropical cyclone in the Northern Hemisphere is __________.
The highest wind speeds of any weather phenomenon occur in
tornadoes
The Little Ice Age that affected Europe from about ___________ lowered average annual
temperature by only about 1C but was enough to reduce crop yields, cause mountain
glaciers to advance, and produce winters much more severe than in the twentieth century.
1400 - 1900