Sand from Sahara to Sierra Madre

Wednesday 27th June 2018

Our subject line and image may be stretching a point today, but aerial imagery shows the current Bermuda High is dragging sand from the Sahara across the entire region, certainly as far as the eastern Caribbean and perhaps reaching as far as the Gulf of Mexico in the coming week or so. This is a passion killer for cyclonic development, which doesn't bode well for new Disturbance Ten which has formed around a day's steaming west of the Cape Verde Islands. This is westbound across the convergence zone at around 17 knots and will struggle to gain any kind of traction.

All eyes on an area off Cape Hatteras today, at the tail of an occluded front. As often happens with this type of formation, a low pressure cells forms in its wake and Disturbance Nine is starting to take shape. There is a decent patch of warm water and little in the way of upper level shear, so this could develop. Nonetheless, this will head seaward only.

We have a number of new addressees on our list today, and more are always welcome - so we'll add a brief footnote. We start collecting information early each morning London time, or depending on which time zone I'm in. Then, once the overnight reports are in from the US (early to mid-afternoon our time), we issue our daily report as an email. Later these reports are posted on our website at and for those of you who understand the darker arts of social media, a daily Tweet on @watkinsmarine along with other matters of general maritime interest.

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