ATSC 113 Exam Study Guide with
Complete Solutions
2 categories of normal clouds - Answer-connective/cumuliform and Layer clouds/stratiform
clouds
connective/cumuliform looks like - Answer-stacks of cotton balls
connective/cumuliform form when: - Answer-warm humid air rises through cooler
surr...
cumuliform/convective clouds form: - Answer✔✔-wherever the air near the ground is colder
than the ground- or ocean-surface
the air near the ground is colder than the ground- or ocean-surface when: - Answer✔✔--behind
cold fronts
-on mostly clear days when sunshine warms the ground more than the overlying air
-over urban and industrial centres that are warmer than the surrounding rural areas
-when cold air blows over a warmer ocean or lake, or over warmer land.
cumuliform/ connective cloud hazards: - Answer✔✔-Deeper cumuliform clouds have stronger
updrafts, o The deepest ones, cumulus congestus and thunderstorms, have such violent
updrafts that they can be a hazard to aircraft. The medium and smaller cumulus can be flown
under and through, but will cause a bumpy ride
Layer clouds or stratiform clouds look like: - Answer✔✔-sheets or blankets that can extend
hundreds of kilometers horizontally.
Layer clouds or stratiform clouds are associated with: - Answer✔✔-layers in the atmosphere
with different relative temperatures
We often find Layer clouds or stratiform along: - Answer✔✔-warm fronts
In what order do you see stratiform clouds: - Answer✔✔--As a warm front approaches you, you
normally see the high clouds first.....these clouds extend many hundreds of kilometers ahead of
the front, so you see them about half a day before the warm front arrives.
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