11.   Both records are attributed to a strong high pressure zone over Florida.

12.   Chilly air will continue to circulate into the Northeast around a sprawling low pressure zone over southeastern Canada.

13.   Clockwise winds around this sprawling high pressure zone in central Atlantic not only direct sultry air to the East Coast, but also play a role in steering hurricanes.

14.   Clouds swirling around a sluggish low pressure zone south of Long Island on Tuesday will cover most areas from the northern Appalachians to the Middle Atlantic Coast.

15.   Converging winds near the low pressure zone will lift the moist air, resulting in clouds and showers from the eastern Dakotas to the western Great Lakes.

16.   During the next several days, a sluggish low pressure zone over the Mediterranean Sea may hamper military operations in the Balkans.

17.   For the sixth straight day, unsettled weather will accompany a large mass of cold air swirling around a giant low pressure zone over the Midwest.

18.   Gusty winds from the northwest will linger for much of the day in New England, while breezes diminish over the interior East as a high pressure zone arrives.

19.   Gusty winds and patchy snow will surround a potent low pressure zone as it moves swiftly from the northern Rockies to the northern Plains.

20.   Lighter showers will occur near a weak low pressure zone in the eastern Great Lakes.