Upper Air

Upper vortex

There is an upper trough that’s pushing up across the Midlands at the moment, that’s spinning this interesting vortex of rain northwestward. It’s obviously …

Upper vortex Read More »

Showers in north as air mass cools

After finally seeing the back of that old cold front I never expected to see showers following on so quickly behind during this afternoon.

Leaving on a jet stream

Another 228 mph jet stream exactly a week after the last one.

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.

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.

Scroll to Top