09-05-2018, 04:12 PM
quote:
Originally posted by TomK
Reni - a digging trough north of the islands is causing Norman to move northwards. A trough is an elongated area of low pressure in the mid to upper atmosphere. Digging means it's getting bigger. Because winds tend to flow from high to low-pressure regions, the steering winds from the high-pressure system in the NE Pacific are starting to push Norman north. Always best to remain prepared though.
Have ya got a link to a page showing that dig trough ? thanks