| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how are cold dry air masses formed | 1.11 | 0.7 | 3535 | 71 |
| where are cold dry air masses formed | 1.58 | 0.5 | 1757 | 9 |
| how are warm dry air masses formed | 1.8 | 0.4 | 3898 | 41 |
| how do cold air masses form | 1.98 | 0.2 | 2235 | 17 |
| how are air masses formed | 0.59 | 0.3 | 7512 | 5 |
| where do cold air masses come from | 1.28 | 0.3 | 8434 | 25 |
| air mass that is cold and dry | 0.61 | 0.6 | 6727 | 55 |
| cold and dry air mass | 0.88 | 0.6 | 316 | 37 |
| what air mass is dry and cold | 1.77 | 0.2 | 7321 | 18 |
| dry cold air mass | 1.32 | 0.5 | 5884 | 56 |
| air masses are warm and dry | 0.67 | 0.6 | 7843 | 21 |
| which air mass contains cold dry air | 2 | 0.6 | 6248 | 2 |
| how do cold air masses move | 1.05 | 0.7 | 5120 | 42 |
| how are air masses made | 0.5 | 0.1 | 4627 | 6 |
| air masses are cold | 0.53 | 0.7 | 2652 | 34 |
| how do air masses form | 0.06 | 1 | 6778 | 2 |
| why is cold air dry | 0.32 | 1 | 9349 | 12 |
| what type of mass brings cold air | 1.04 | 0.1 | 3512 | 26 |
| what air mass is cold and moist | 0.47 | 0.1 | 2864 | 15 |
| air mass that forms over cold regions | 1.41 | 1 | 4632 | 48 |
