Leaving on a jet stream
Another 228 mph jet stream exactly a week after the last one.
Upper Air
200 knot jet
A more detailed look at the midnight ascent from Yarmouth Nova Scotia where the wind was blowing 201 knots (231 mph) at 250 hPa.
Lee waves
Something of interest even on a cloudy day.
Jet pushes upper cloud south and surface pressure towards 1050 hPa
It’s not surprising that the high cloud has spread south so rapidly in the last few hours as there was a 150 knot northerly jet at midnight down across the country.
Jetstream shield
I don’t know the exact technical term for this ‘shield’ of cloud is, other than calling it jet stream cirrus but I know its a harbinger of rapid development. I quite like shield of cloud that I’ve coined, who knows perhaps it’ll catch on.
Mean 500 hPa geopotential heights
Another daft idea that may well come to nothing.
The fly in the ointment
In the shape of an upper cold pool off the Brest peninsula maybe.
Inversion rises and sharpens rapidly at the Cairnwell
Can these observation from Cairnwell be believed?
167 knot maximum wind at Santander
November 10 visible satellite image
The jet stream in action
The jetstream in action
