The annual precipitation of the region this year is higher than that of last year.

今年该地区的年降水量比去年高。

About 10 percent of lightning strikes take place when there's no precipitation.

约10%的雷击发生在没有降水的时候。

The south is expected to be chilly with average or above average precipitation.

预计南部天气将会很冷，平均降水量或高于平均降水量。

A truffle is about 70% water, so it needs rainfall to help it grow.

松露概70％都是水，所以需要降水来帮助它生长。

More moisture might result in storms creating more precipitation depending on several other conditions.

更多的水会导致产生更多降水的暴风雨，这取决于其他几个条件。

El Nino brings the potential for more precipitation, especially in the Northeast where it could deliver two or three major snowstorms.

尔尼诺为更多降水提供了潜在的性，尤其是在东北部，会有两到三的暴风雪。

That made Lane the third wettest tropical cyclone to hit the U.S. since 1950.

这让飓风“雷恩”成为1950年以来登陆美国的降水量第三的热带气旋。

Studies estimate that for every degree the temperature goes up, you need 15% more precipitation to offset all of that evaporation, and we're not likely to get it.

研究估算，温度每升高1度，你就需要额外15%的降水来抵消蒸发效果，我们不得到这样的降水量。

When a hurricane or a cyclone doesn't pass over an area quickly, it can drop even more rain than it normally would, and that can make flooding even worse.

当飓风或气旋不快速通过某一地区时，会导致降水量增，这会使得洪水更加严。

Though that storm was considered to be an even bigger rainmaker, Imelda's threat continues with more rain in the forecast before it completely moves out of Texas.

虽然哈维带来更为严的降水，但在伊美达完全撤出德州之前，天气预报显示其会继续带来降雨。

This produces narrow bands of clouds and precipitation in the form of snow.

这就诞生了狭窄的云带和雪的形式的降水。

But if you're going to have winter precipitation, snow is what everyone hopes for especially if you're at a place like this.

但是如果你打算冬季降水，家都希望下雪，尤其是在这样的地方。

You know that place with all the fires because it hasn't been raining much.

那个着火的地方就是因为降水量过少引起的。

After it made landfall in Louisiana in August, the system traveled across the eastern U.S. and up to the northeast where it brought tremendous amounts of rain and flooding.

今年8月飓风艾达在路易斯安那州登陆后，穿过美国东部，到达东北部，给当地带来了量降水和洪水。

Heavy rain, anywhere from two to six inches were forecast for the northeast and all of this could last through Thursday.

东北部各地区将迎来2到6英寸的降水，降水会持续周四全天。

That's normally no big deal according to the National Weather Service but because the state is so waterlogged now, the additional precipitation could further swell rivers, set a new record for rainfall and trigger additional flash flooding.

据美国国家气象局称，这在平常不是什么问题，但由于该州现在已经积水严，额外的降水会使河流进一步涨水，创造新的降雨记录并引发额外的山洪。

It was expected to bring more rain to areas Marco had already soaked.

气象部门预计这将给经历过“马”的地区带来更多降水。

Forecasters warned people in the Virgin Islands in the U.S. commonwealth of Puerto Rico that Irma could bring tons of rain and dangerous storm surges, ocean water driven ashore by an incoming hurricane.

预报人员警告美国自治邦波多黎各维尔京群岛的民众，飓风" 艾玛" 带来量降水和危险风暴潮，即受飓风影响涌上岸的海水。

The trees in the Amazon rain forest recycle precipitation through a process called transpiration.

亚马逊雨林里的树木通过蒸腾作用来进行降水再循环。

Meteorologists say there's a good chance it will though rain along the flight path is a concern and afternoon thunderstorms are also possible.

气象学家称飞行路线很有有降水，下午也有雷暴天气。