MCC Weather

Barometric Trends

mccwx.ca Surrey-Port Mann

Barometers read atmospheric pressure.
Pressure changes rapidly or slowly up & down.
This can indicate what kind of weather approaches.
Here is a guide to interpreting that change.

Click here for the current 24hr trend.
Currently the barometer is ... falling.

If the barometer is ...

Rising Rapidly Expect a general improvement soon.
Winds may rise.

Rising Expect a general improvement in the coming hours.

Rising Slowly Expect similar. Conditions may improve.

Steady The weather will remain similar.

Falling Slowly Expect similar. Conditions may get worse.

Falling Expect generally worse weather in the coming hours.

Falling Rapidly Expect worse weather soon.
A storm may be approaching.