Discover and read the best of Twitter Threads about #fv3

Most recents (1)

1) Let's reason out why the #GFS tracks #Florence NE of the #ECWMF even now 3 days till verification? Look at the upper-level cirrus canopy b/c cloud-radiative feedback is important.

The #GFS has a thicker & more expansive cirrus plume NW of #Florence. What is its significance?
2) The cirrus in a #TCs outer core enables cloud-radiative feedback, w/ lw warming under & lw cooling above clouds.

Warming under clouds enhances convective activity in the outer core, broadening the tangential wind field.

Fig. from Fovell et al. (2016) :journals.ametsoc.org/doi/10.1175/AM…
3) What happens when you broaden the tangential wind field? You induce stronger "beta drift" which draws the TC further north & west due to advection of planetary vorticity around the TC field.

See Fiorino & Elseberry (1989):journals.ametsoc.org/doi/abs/10.117…
Read 9 tweets

Related hashtags

Did Thread Reader help you today?

Support us! We are indie developers!


This site is made by just two indie developers on a laptop doing marketing, support and development! Read more about the story.

Become a Premium Member ($3.00/month or $30.00/year) and get exclusive features!

Become Premium

Too expensive? Make a small donation by buying us coffee ($5) or help with server cost ($10)

Donate via Paypal Become our Patreon

Thank you for your support!