1.   Although Hurricane Opal will remain over the Gulf of Mexico on Tuesday, abundant tropical moisture will stream north ahead of the system.

2.   As moisture streams east on brisk jet stream winds, sprinkles may reach as far as the west slopes of the central Appalachians.

3.   As the Pacific moisture streams eastward, valley showers and mountain snow will occur along the west-facing slopes of the central Rockies.

4.   Abundant moisture will stream north from the Gulf of Mexico to the Northeastern states ahead of a slow-moving cold front.

5.   Moisture will stream northward from the western Gulf of Mexico into the Mississippi Valley.

6.   Moisture will stream out of the western Gulf into the southern Plains and central Mississippi Valley.

7.   This week, moisture has streamed northward from Mexico, providing fuel for the swarm of storms.

8.   Tropical moisture will stream northward from the eastern Gulf of Mexico to the central Appalachians at the perimeter of an expansive high-pressure system over the western Atlantic.