101.   In many cases, the light-to-moderate snows that accompany clippers are followed by a surge of arctic air.

102.   In the east states, big snowstorms are followed by big chills as winds from the northwest usher in arctic air.

103.   In the wake of the cool front, Pacific air will spread over the upper Middle West, but modified Arctic air will stay locked over Canada.

104.   In the wake of the storm, another surge of Arctic air will spill across the northern Rockies and northern Plains.

105.   In the West, a surge of arctic air will be attended by scattered snow in the northern Rockies.

106.   In the Northeast, another surge of arctic air will be accompanied by gusty winds.

107.   In the wake of the cold front, precipitation will change to snow as Arctic air presses eastward.

108.   In the wake of the clipper Sunday, Arctic air poised over Canada will spill southward into the Northeast.

109.   In the wake of the front, a surge of arctic air will spread into the northern parts of the Plains and Mississippi Valley.

110.   In the case of northern New England, Arctic air drained westward through the St. Lawrence River Valley.