The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.

The AMVER system requires（）.

West backing south-west gale 8 locally storm 10（）then rain or sleet mainly good.

In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.

Of the following，（）is not a wind．

After a cold front passes，the barometric pressure（）.

The winds you would expect to encounter in the North Atlantic between latitudes 5° and 30° are known as the（）.

If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position，what winds can you expect in the Northern Hemisphere?（）.

If the sky was clear，with the exception of a few cumulus clouds，it would indicate（）.

When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.