What is a high pressure system?

These cold, dense blobs of air can block precipitation from reaching land, leading to unseasonable dry spells in places like California.
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These cold, dense blobs of air can block precipitation from reaching land, leading to unseasonable dry spells in places like California.

The return of ‘The Blob’ is ready to play havoc with Northwest weather

October 28, 2018 01:32 PM