Alastair Thompson Profile picture
Climate, Conflict, Politics, Africa. Editor https://t.co/b6HbxvmnsV (NZ) Reporting from France. https://t.co/LNVK0y9IS7 #nzpol #DesertRain

Oct 5, 2022, 11 tweets

#HurricaneIAN #ExtremeWeather Update THREAD

The remnants of Hurricane Ian are showing little sign of abandoning the Tri State area. This is from this morning CEST before sunrise.

And here we see #HurricaneIAN this evening. In the morning Ian had developed a distinct visible rotation at its center. And this evening this started to move south downthe coast rather than East as it has been forcasted to do for some time.

This is this morning's 24 hour forecast.

To be fair it is moving a little to the east as well. Here was this morning's 24hr Nam-Conus model rain forecast.

Thread fix....

And the last few hours rain radar. (@accuweather)

If the forecast is correct the remnants ought to start speeding up its south easterly departure about now.

The overall slow moving convection structure here - which is a morphed version of the structure in which #HurricaneIAN was embedded in when it struck Florida is huge - and very slow moving.

Whilst unusual in size, what is most unusual about it is its slow movement, its inertia.

It's next impacts will be felt across the Atlantic in Europe where it is currently forecast to contribute towards six or seven atmospheric rivers of differing intensity over the next 16 days.

Rain which appears to be fairly evenly distributed, and which will be welcome wherever it doesn't cause flooding, following this summer's drought.

And finally a look inside the engine room, at the fluid dynamics over the Atlantic Ocean.

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