Following Isaac's impact on the Republican National Convention in Tampa, Fla., last week, moisture from Isaac has been fueling stormy weather at the Democratic National Convention 2012 in Charlotte, N.C.
Tropical Rainstorm Isaac's moisture met with a cold front progressing across the East, allowing for locally drenching thunderstorms to hit Charlotte this week.
Torrential downpours late Tuesday unleashed 0.89 of an inch of rain, most of which fell in less than an hour.
The threat of thunderstorms continuing today has forced President Barack Obama's Democratic Convention speech to be moved inside the Time Warner Cable Arena, according to the Associated Press.
Besides locally heavy rain, dangerous cloud-to-ground lightning and locally gusty winds may accompany the thunderstorms this afternoon and evening.
Showers and storms will linger into Friday and the weekend as many travel home from the Democratic National Convention, threatening travel delays.
Several storms will bring periods of rain and gusty winds to the west coast of the United States this week.
Colder weather, and in some cases, a taste of winter with snow will continue to invade the northeastern United States this weekend.
Dry weather set to dominate the southern United States into November will only worsen the already extreme drought conditions.
The changing of the seasons will bring beneficial rainfall to northern Brazil, a region that has experienced severe drought over the past several years.
Damaging storms pounded the Pacific Northwest, while two powerful typhoons struck the Philippines within a four-day span.
Typhoon Haima made a second landfall in southeast China on Friday after leaving at least 13 dead in the northern Philippines.
Oceanside, CA (1999)
A 50' boat missed the harbor due to a wall of dense fog.
New England (1761)
Southeast New England Hurricane -- "most violent in 30 years"-- thousands of trees uprooted in MA and RI blocking roads.
Newbury, VT (1843)
12 inches of snow.