And happy crisp weekend！

BTW. A midlevel hurricane is graded as category 3 that is comparable to the wind produced by a 120km/h car. The highest is category 5.

今天遇到一个简洁的修辞句，供懂得之人欣赏。。。
The irony of Bear the survivalist being stung, having the potential of an allergic reaction, and needing to be treated with an EpiPen, was a bizarre moment. That was crazy! (SUN)

Sciences: Momentum conservation is a general principle of physics. Angular momentum of a system is similar, also following a conservation law that rules when a hurricane intensifies and when it slows down.

However, life is not so simple. Roughly the statement above is true, but a fluid system is more complicated due to its fluidity and chaotic vortice system, say, the phenomenon of "vortex stretching" (a jargon).

(Sun) Dorian is gaining powerful from warm open waters and is expected to hit Florida as a 130mph Category 4 storm. (gain powerful--gain power and become powerful )

Jon Lockett's report on the hurricane, published on the Sun, is a very good expository for the CET-4/6 readers, wording simple and info flow perfect.

开心点。。。。

“monster storm” called

“ring of destruction”

British meteorologists claim that it will impact the Atlantic climate system into mid-September, and even could form a pattern persisting through the second half of this month. It could be, as I suspect, also the major driving force of the ongoing North China heat wave, half a month long, scorching, and almost record breaking.

If today's forecasts make sense, we'd better be prepared for a crisp September featuring a heatwave that will peak at 35C next Thursday and start to subside in another week.

"Extremely dangerous" because of its wild intensifying one hour ago into superhigh wind speed up to 240 km/h.

Even though packing superfast winds, Dorian's center actually moves very slow, just several miles per hour, and computer models always produce errors. This has lengthened the period of fears hanging over the heads of those residents in a wide possibly-infected area.