| Term: |
MOUNTAIN WAVE |
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| Meaning: | Mountain waves occur when air is being blown over a mountain range or even the ridge of a sharp bluff area. As the air hits the upwind side of the range, it starts to climb, thus creating what is generally a smooth updraft which turns into a turbulent downdraft as the air passes the crest of the ridge. Mountain waves can cause significant fluctuations in airspeed and altitude with or without associated turbulence. |
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| Previous Term: | MOSAIC/MULTI-SENSOR MODE |
| Next Term: | MOVEMENT AREA |