| Rising (or falling) more slowly |
|
Pressure
rising (or falling) at a progressively slower rate through
the preceding three hours |
| Rising (or falling) slowly |
|
Pressure change of 0.1 to 1.5 hPa in the
preceding three hours |
| Rising (or falling) |
|
Pressure change of 1.6 to 3.5 hPa in the
preceding three hours |
| Rising (or falling) quickly |
|
Pressure change of 3.6 to 6.0 hPa in the
preceding three hours |
| Rising (or falling) v. rapidly |
|
Pressure change of more than 6.0 hPa in the
preceding three hours |
| Now rising (or falling) |
|
Pressure has been falling (rising) or steady
in the preceding three hours, but at the time of observation
was definitely rising (falling) |