Group | Class | Acronym |
---|---|---|
RST | Red sea trough to the east | RSTE |
– | Red sea trough center | RSTC |
PT | Persian trough weak | PT-W |
– | Persian trough medium | PT-M |
– | Persian trough deep | PT-D |
Highs | High to the west | HW |
– | High center | HC |
– | High to the north | HN |
– | High to the east | HE |
Lows | Deep low to the east | LE-D |
– | Deep Cyprus low to the north | CLN-D |
– | Shallow Cyprus low to the north | CLN-S |
– | Cold low to the west | LW |
– | Shallow low to the east | LE-S |