Gale, hail to hit Beijing

 BEIJING, July 28 (Xinhua) -- The observatory¹ of Beijing on Saturday issued a blue alert for strong wind and hails in northeastern suburban² region of the city.

Strong wind, rains and hails are expected to hit northern Huairou District and Miyun County, both in Beijing's suburban areas, on Saturday night, according to the Beijing meteorological center's alert.

The center asked residents to be on guard for adverse³ weather.

The Chinese capital has been hit by several downpours over the last week, in particular the heaviest rain in six decades one week ago, which claimed 77 lives.

Chinese meteorological authorities use a four-tier color-coded weather warning system of "blue," "yellow," "orange" and "red," with "red" being the most severe.

1 observatory   

n.天文台，气象台，瞭望台，观测台

参考例句：

• Guy's house was close to the observatory.盖伊的房子离天文台很近。
• Officials from Greenwich Observatory have the clock checked twice a day.格林威治天文台的职员们每天对大钟检查两次。

2 suburban   

adj.城郊的，在郊区的

参考例句：

• Suburban shopping centers were springing up all over America. 效区的商业中心在美国如雨后春笋般地兴起。
• There's a lot of good things about suburban living.郊区生活是有许多优点。

3 adverse   

adj.不利的；有害的；敌对的，不友好的

参考例句：

• He is adverse to going abroad.他反对出国。
• The improper use of medicine could lead to severe adverse reactions.用药不当会产生严重的不良反应。