Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

- Map displaying storm reports. Click the image to view an interactive map of the reports.

- Visible Satellite loop during the afternoon hours of July 1, 2012

- Chronological sequence of radar images of a severe thunderstorm over northeastern Chesterfield County, SC around 2:30 pm. Note how the core of higher reflectivity values (60+ dbz are white) grows to over 40,000 ft by frame 4 and then descends to the surface in image 5.