Air Masses Two types of air masses: 1. Continental Polar air masses 2. Maritime Tropical air masses
What is a front?  A front is the boundary between two air masses of different temperatures.
Fronts Cold Front: Cold air moves in under a warm air mass.  <ul><li>In the U.S., cold fronts usually move from northwest ...
Fronts Warm Front: Warm air moves in over a cold air mass.  <ul><li>In the U.S., warm fronts usually move from southwest t...
Doppler Radar Map Where is there a cold front? Warm front?
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Air masses review

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Air masses review

  1. 1. Air Masses Two types of air masses: 1. Continental Polar air masses 2. Maritime Tropical air masses
  2. 2. What is a front? A front is the boundary between two air masses of different temperatures.
  3. 3. Fronts Cold Front: Cold air moves in under a warm air mass. <ul><li>In the U.S., cold fronts usually move from northwest to southeast </li></ul><ul><li>They usually bring in storms. </li></ul><ul><li>The air gets drier after a cold front moves through </li></ul>
  4. 4. Fronts Warm Front: Warm air moves in over a cold air mass. <ul><li>In the U.S., warm fronts usually move from southwest to northeast. </li></ul><ul><li>They may bring light rain or snow or fog. </li></ul><ul><li>The weather is warmer after a warm front moves through. </li></ul>
  5. 5. Doppler Radar Map Where is there a cold front? Warm front?

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