1 All Columns to the Left of the Anchor Cell are frozen. 2  On the View tab, in the Window group, click Freeze Panes, Freeze Panes. 3  Now all rows above Row 2 are frozen and all columns to the left of Column B are frozen.
Cold fronts produce most of the severe weather most of the time. This is because the cold air undertakes the warm moist air ahead of the front.
Six basic types of air masses affect the weather of the British Isles. They can bring anything from tropical warm and humid days to arctic cold depending on the type of air mass. Fronts form the boundaries of air masses with differing properties. The most severe weather usually occurs when dry-cold continental polar air clashes with warm-humid maritime tropical air.