Tropical moisture will enhance a sprawling weekend flood threat stretching from the Gulf Coast to the Great Lakes. New video emerges of magnitude 7.3 earthquake in Alaska and Utah 'firenado' is rated an EF-2 twister.

The National Hurricane Center is tracking three tropical waves, including two in the Caribbean. Tropical wave 1: A far eastern Atlantic tropical wave is near 30W from 17N southward, and moving west at 11 mph.

The biggest threat from this system will be torrential rainfall. Officials on alert as tropical system poses serious threat to US coastline: 'Additional development of this system remains possible' first appeared on The Cool Down.

Invest 93L is expected to move onshore in Louisiana later today. Will it be a depression? Tropical Storm Dexter?

A wet and rainy Florida could soon see even more precipitation in the coming days, according to the National Weather Service, which has warned the Gulf Coast will face a flood-generating system that could form into Tropical Storm Dexter.

The system’s slow passage over Florida has meant days of rain throughout the state, leading to street flooding in South Florida. However, the Miami office of the National Weather Service expects the rain to slow down, alleviating any concerns about deep flooding.

The change in forecast was a welcomed development as the New Orleans area steels itself for the approaching heart of the hurricane season.

Central Florida to experience heavy rain and storms with potential for a tropical depression and lightning, as predicted by NWS Melbourne FL.

Hurricane center forecasters said the system, designated as Invest 93L, is forecast to continue moving westward and could emerge or redevelop.