Tropical Storm Debby will produce showers and possible severe thunderstorms with heavy rain over parts of Florida and the Southeast through Tuesday. A front extending over the northern/central Appalachians then westward to the Northern/Central Rockies will move off the Northeast and Mid-Atlantic coast while the low remains over northern New England.
Showers and thunderstorms will develop along and ahead of the front from the Mid-Atlantic to the Northeast moving off the Mid-Atlantic coast by late Monday night. Circulation around the low will stream moisture into northern New England, keeping the light to moderate showers and thunderstorms over the area through Tuesday. A deep upper-level low off the Northwest coast will weaken and move to the Northern Rockies by Tuesday evening. Light rain over parts of the Pacific Northwest coast will expand inland over the Northwest and parts of northern California by Monday evening into Tuesday morning.
Critical Fire Weather Conditions are forecast for east central California, southern, central and eastern Nevada, western Utah, eastern Idaho, and southwestern Montana. In addition Red Flag Warnings are in effect for all of Utah portions of Oregon, northern and eastern Colorado, northwestern Kansas, western Nebraska, portions of Wyoming, southern Montana and far northwestern South Dakota. On Saturday a fire erupted in Waldo Canyon about three miles west of Colorado Springs, Colorado. The cause of the fire is under investigation and has burned 3,600 acres, with 0% containment at this time. Evacuation orders are in place for Manitou Springs. The High Park fire continues to burn and is 45% contained. To date it has burned 83,205 acres and is expected to be contained by July 30th.
There is a slight risk of severe thunderstorms across Florida and across the Northeast and Mid-Atlantic States to the Carolinas. Yesterday, there were over 60 reports of severe weather including twenty tornadoes in Florida, all due to instability generated by Tropical Storm Debby. High wind and hail reports were scattered over Virginia and the Carolinas and Montana, with isolated reports in Idaho, Wyoming, Illinois, Pennsylvania and Mississippi.