Category: Northwest

Where is the major marine surge?

Heat wave ends and marine surge fizzles as Upper level high pressure retreats too fast. by Mike Godsey, mike@iwindsurf.com Well last Thursday I forecast a major marine surge to hit the S. F. Bay yesterday and there is no hint to masses of cool fog and  strong SW wind pouring through the Golden Gate. What happened? The simple answer is that yesterday…

Read More

North Pacific High’s NW winds retreat southward!

What happens to the North Pacific High when a storm targets the Bay Area: by Mike Godsey Today, Saturday June 22, we have a very unusual winter type storm system moving in from the NW. The storm system, which arrives Monday,  consists of an upper trough at about 18,000 ft. and below it 2 surface lows each with counter-clockwise spinning winds….

Read More

Cut-Off Low west of the Gorge: impact of Bay Area and Southern California winds.

Cut-Off Low usually have a bad rap but…… by Mike Godsey Cut-Off Lows  form when a counter-clockwise spinning low pressure pinches off from passing upper troughs at around 18K feet. The winds at about 18K feet on the average are important in moving weather from west to east around the world. Once you have a Cut-Off Low to…

Read More

What is an upper level high pressure ridge and how does it impact the west coast wind?

 This video from this Friday May, 31 shows the clouds and winds at about 18,000 feet in the pacific west of California. The dark green areas are high levels of moisture. The dark gray areas are very dry air. Notice the northward extending loop in the upper level clouds. This is called an upper level high…

Read More