| 1 | This year, some of that air seems to have gone north to Russia. | |
| 2 | The cloud first became bigger and then suddenly shrunk. | |
| 3 | Sometimes the air masses which meet at a front cause storms. | |
| 4 | We watched the images of the glowing gas blobs become larger. | |
| 5 | My hand made swirling motions, mimicking the action onthe monitors. |
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