Local Weather Systems (Leaving Cert Geography): Flashcards
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13 cards from this deck
What are microclimates?
What are microclimates?
Small-scale climate variations within specific areas
When sea breezes form
When sea breezes form
Daytime - land heats faster than ocean
When land breezes form
When land breezes form
Night - land cools faster than water
Water's specific heat capacity vs land
Water's specific heat capacity vs land
Higher - heats up & cools down more slowly than land
When valley winds occur
When valley winds occur
Daytime - sun heats mountain slopes faster than valleys
When mountain winds occur
When mountain winds occur
Night - slopes cool faster, air flows down to valley
Thunderstorm characteristics
Thunderstorm characteristics
Lightning, thunder, heavy rain, sometimes hail
Three stages of thunderstorms
Three stages of thunderstorms
Developing, mature, dissolving
Thunderstorm developing stage
Thunderstorm developing stage
Warm air rises, cumulus clouds form, updrafts dominate
Thunderstorm mature stage
Thunderstorm mature stage
Cumulonimbus clouds, updrafts & downdrafts, heavy rain
Thunderstorm dissolving stage
Thunderstorm dissolving stage
Downdrafts dominate, cuts off updrafts, storm weakens
Updrafts in thunderstorms
Updrafts in thunderstorms
Upward-moving air currents
Downdrafts in thunderstorms
Downdrafts in thunderstorms
Downward air currents from falling rain cooling air