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.
The risk of flooding from Odile will spill onto Texas and parts of the southern and central Plains late this week into the weekend.
On Tuesday, Edouard became the first major hurricane in the Atlantic since Sandy. While Edouard remains at sea, rough surf will reach some Atlantic coast beaches.
Moisture from Tropical Rainstorm Odile will deliver torrential rainfall and cause life-threatening flooding over the interior Southwest through the balance of the week.
The chilliest air of the season so far will settle over much of the Northeast Thursday into Friday and will bring frost to a large area.
The Rockies (1965)
Greatest Sept. snow over Wyoming Rockies at Lander, 20.5 inches.
Hurricane Hugo crossed Guadalupe, then the Virgin Islands. St. Croix had gusts to 97 mph. Later, of gust of 170 mph was measured in the harbor of Culebra Island, P.R.
Great Lakes (1990)
27 degrees at Sault Ste. Marie, MI. A record low for so early in the season (old record of 30 set in 1974). Snow flurries across Vermont and parts of New Hampshire. Snow flurries and sleet at Naples, NY.