Weather prediction for pressure

Signs of bad weather

If the atmospheric pressure is kept is not very high — 750 — 740 mm, there is a decrease in its uneven: it faster, slower, and sometimes may even be a slight increase in short-term, followed by a fall, — this indicates the passage of the cyclone. A common misconception says that Cyclone always brings bad weather. In fact, the weather in the cyclone is very heterogeneous — sometimes the sky is cloudless and the cyclone is gone, and without shedding a drop of rain. More fundamentally not the fact of low pressure, and its gradual decline. Low air pressure in itself is not a sign of bad weather.

If the pressure drops quickly to 740 or even 730 mm — it promises a short but violent storm, which will continue for some time and with increasing pressure. The faster the pressure falls, the longer the unstable weather, possibly offensive prolonged bad weather;


Weather prediction for pressure


Signs of improvement in the weather

The growth of air pressure also means improving the impending weather, especially if it started after a long period of low pressure.

The atmospheric pressure in the presence of fog, — indicates the improvement in the weather.

Signs of preservation of good weather

If the barometric pressure rises slowly over several days or remains unchanged at South Wind — is a sign of preservation of good weather.

If the barometric pressure rises in strong winds — a sign of preservation of good weather.

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