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…
First the war stories then my analysis. by Mike Godsey Dmitry: “Madness increased beyond any measure as SFO shifted to 250degr and shot up to 39mph, but it became very bad on the water even 1hr before that. Peter A: “It was EXTREMELY gusty at 3rd. I was at the upper launch went out whitecaps…
-Benjamin Miller, WeatherFlow Meteorologist
We had a perfect Berkeley “T” yesterday day as the marine surge arrived here is the story in imagery. Here is the Berkeley T forming in the late afternoon as seen from the Berkeley hills.
Using this loop over inter-tropical convergence zone – I’ve been watching a low level circ for the last day or so, and now it has become an area of interest. http://tropic.ssec.wisc.edu/real-time/mimic-tpw/natl/anim/latest72hrs.gif With strong Bermuda High remaining in control over Atlantic, this could be a system worth watching over the next few days. Very low chance…
Marine surges are only suppose to last 2 possibly 2.5 days. This one is on its 4th day. Part of the answer is in the blog link below. But today marine surge winds at Sherman Island are being sustained in part by an eddy well west of the Golden Gate. Take a look satellite video…
Just a quick blog to show you photos from near dawn today. This is what the marine layer clouds looked like from Bay Area hilltops. I have also inserted an image from the Bodega 915 mhz profiler I use to determine the depth of the marine layer. Notice the cool marine layer air near the surface and the…
For a basic understanding of how marine surges in the Bay Area develop you should read the blog below entitled : Anatomy of a marine surge”. The marine surge that swept into the San Francisco Bay Area June 3, 4 and 5 was exceptionally strong. As you can see in the video below Sherman Island in the Delta held winds averaging…
Goooooood morning Rio Vista!!! After 4 days of Ben and I issuing marine surge alerts for Sunday I pulled the final trigger Saturday night: Forecast 7PM Saturday: “Marine Surge Alert! Sherman will absolutely RAGE all day tomorrow.” These images below, really layout the basic anatomy of a marine surge. 10 years ago marine surges always caught us…