Week 2 Recitation.

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Presentation transcript:

Week 2 Recitation

Weather Maps Front: Boundary between two differing air masses Type of fronts Cold – cold air replacing warm air Warm – warm air replacing cold air Stationary – border between to different fronts, neither front strong enough to move the other Occluded – cold front overtakes a warm front Symbols indicate direction 2 2

5 Fig 2.3: Essentials of Meteorology Copyright © 2014 University of Maryland. This material may not be reproduced or redistributed, in whole or in part, without written permission from Tim Canty. 5

Hot Ice

Latent Heat Latent heat: the heat required to melt or evaporate a substance When a substance freezes or condenses, the latent heat is released back into the environment As water condenses to form a cloud, all of the heat that went into evaporating the water in the first place is released to the air. Clouds warm the air inside the cloud. Amount of energy released equivalent to a small nuke Fig 2.4: Essentials of Meteorology Copyright © 2014 University of Maryland. This material may not be reproduced or redistributed, in whole or in part, without written permission from Tim Canty. 9

Specific Heat The specific heat of a substance is the amount of heat required to increase the temperature of 1 gram of the substance 1° C !!! Specific Heat of Water > Specific Heat of Land !!! Land heats/cools faster than water

Electromagnetic Spectrum 14 Fig 2-7 Meteorology: Understanding the Atmosphere Higher Energy “Shortwave” Lower Energy “Longwave”

Outgoing Terrestrial (Earth) Incoming Solar radiation Outgoing Terrestrial (Earth) radiation