| Code* | Name in English | Short Name |
| 1 | Red Sea Trough with the Eastern axis | RSTe |
| 2 | Red Sea Trough with the Western axis | RSTw |
| 3 | Red Sea Trough with the Central axis | RSTc |
| 4 | Persian Trough (Weak) | PT-W |
| 5 | Persian Trough (Medium) | PT-M |
| 6 | Persian Trough (Deep) | PT-D |
| 7 | High to the East | He |
| 8 | High to the West | Hw |
| 9 | High to the North | Hn |
| 10 | High over Israel (Central) | Hc |
| 11 | Low to the East (Deep) | Le-D |
| 12 | Cyprus Low to the South (Deep) | CLs-D |
| 13 | Cyprus Low to the South (Shallow) | CLs-S |
| 14 | Cyprus Low to the North (Deep) | CLn-D |
| 15 | Cyprus Low to the North (Shallow) | CLn-S |
| 16 | cold Low to the West | Lw |
| 17 | Low to the East (Shallow) | Le-S |
| 18 | Sharav Low to the West | SLw |
| 19 | Sharav Low over Israel (Central) | SLc |