The Lesser Antilles intersect the «main development region» for
Atlantic hurricane formation, making storm data there «our best source for historical variability of tropical cyclones in the tropical Atlantic in the past three centuries,» the researchers explain.
Multi-decadal variability in the North Atlantic also plays a role in
Atlantic hurricane formation (Goldenberg et al., 2001; see also Section 3.8.3.2).
Tropical Atlantic (10 ° N — 20 ° N) sea surface temperature annual anomalies (°C) in the region of
Atlantic hurricane formation, relative to the 1961 to 1990 mean.
Multi-decadal variability in the North Atlantic also plays a role in
Atlantic hurricane formation (Goldenberg et al., 2001; see also Section 3.8.3.2).
Not exact matches
«NASA sees
formation of unusual North
Atlantic Hurricane Alex.» ScienceDaily.
El Niño is a key factor in making
hurricane seasonal forecasts because the changes in atmospheric patterns over the tropical Pacific that it ushers in have a domino effect on patterns over the
Atlantic, tending to suppress
hurricane formation.
El Niño conditions can also curb the
formation of powerful storms, and with no El Niño in the picture in 2017 — and with warmer - than - average ocean waters — last year's
Atlantic hurricane season was unusually active.
Conditions in the tropical
Atlantic remain unfavorable for
hurricane formation.»
That doesn't mean more
hurricanes everywhere, though: While El Niño tends to boost activity in the Pacific Ocean, it clamps down on storm
formation in the tropical
Atlantic.
For years, perhaps decades, Gray has been ascribing all sorts of climate changes and
hurricane cycles to fluctuations in the Thermohaline Circulation (THC), an overturning circulation in the
Atlantic ocean associated with
formation of deep water in the North
Atlantic.
Possibly, this forming El Nino also had an impact on
formation of tropical storm systems in the Western
Atlantic this past
hurricane season.
Anyone here know of an explanation for the
formation of
hurricanes such as I give in Chapter 4A for eg 2017 & 2010 North
Atlantic Hurricanes?
Records from the 20th Century suggest that
hurricane formation over the
Atlantic has changed phase every few decades: the 1940s and 50s were active, the 70s and 80s less so, while the currently active phase appears to have commenced in 1995.
When El Niño appears, it tends to suppress
hurricane formation in the
Atlantic basin.
Would another consequence of the AMOC collapse be the
formation of an
Atlantic tropical warm pool comparable with that in the western Pacific that is the source of the world's highest
hurricane frequency?