Sentences with phrase «cyclone numbers»
"Cyclone numbers" refers to the measurement or categorization of cyclones, which are extremely powerful rotating storms. These numbers help scientists and meteorologists understand and track the intensity and severity of cyclones by assigning them a specific number based on their strength. Full definition
Let's take a holistic and then basin by basin look at 2015's tropical cyclone numbers in the Northern Hemisphere.
washingtonpost.com
In the summer (JJA) and autumn (SON) of strong El Niño years, tropical cyclone numbers increase markedly in the southeastern quadrant of the western North Pacific (0 ° N — 17 ° N, 140 ° E — 180 ° E) and decrease in the northwestern quadrant (17 ° N — 30 ° N, 120 ° E — 140 ° E; Wang and Chan, 2002).
But there is a substantial body of research that has been done looking at how various factors (such as El Nino, the North Atlantic Oscillation, etc.) may influence Atlantic tropical cyclone numbers.
Accompanying this increase in tropical cyclone numbers is a marked SST warming to unprecedented anomaly levels exceeding +0.7 C.
In other words, the metric is not cyclone production but cyclone number, intensity and pathway from year - to - year.
In the North Atlantic, tropical cyclone numbers and intensity have increased but it can not yet be said whether these are related to climate change or not.
Changes in tropical cyclone number, duration, and intensity in a warming environment.Science, 309 (5742), 1844 - 1846.