Thunderstorms capable of producing flooding downpours and/or gusty winds are set to return to New England and the mid-Atlantic on Tuesday.
As of 12:30 p.m. EDT, this storm system has flooded roads and homes throughout Maryland, Pennsylvania, New Jersey and Delaware. Emergency managers in Ritchie County, W. Va., reported multiple water rescues and said a camper park has been isolated by flood water. Cloud rotations were spotted on radar as storms tore through Burlington County, N.J., downing trees in its path.
Flooding downpours will be the main concern in this entire corridor. Low-lying and poor drainage areas will be most susceptible to flooding.
There is a risk for gusty winds as well with the most intense thunderstorms, but it will be highest in the mid-Atlantic region. This includes Washington D.C., Richmond, Va. and Raleigh, N.C.
The threats will remain in these regions through Tuesday evening.
Drenching thunderstorms could also create hazards to motorists by reducing visibility and heightening the risk of vehicles hydroplaning at highway speeds.
While not every thunderstorm will trigger flooding or strong winds, all should prompt residents and visitors to move inside. Remember as soon as thunder is heard, you are close enough to get struck by lightning.
The culprit behind the drenching and gusty thunderstorms across New England and the mid-Atlantic on Tuesday is a cold front that will first drop through the Great Lakes on Monday.
In the wake of the front, drier and less humid air will pour across the Northeast for Wednesday and Thursday and once again suppress any summer heat that was attempting to surge northward.
Wednesday may actually feel cool to some in the St. Lawrence Valley and eastern Great Lakes where highs will be held to around 70 degrees.
The front, however, will struggle to make much more southward progress after reaching North Carolina, keeping the chance of thunderstorms in the forecast for Richmond and surrounding areas for the remainder of the week.
Unsettled weather for the extended Labor Day weekend will be across the Southeast, Upper Midwest, northern Rockies and the Four Corners.
Tropical Depression 14-E is several hundred miles southwest of Mexico and is expected to strengthen slowly into a tropical storm.
A stormy weather pattern will prevail through September across much of southern South America.
While lulls in tropical activity in the Atlantic will continue, a rapid end to the hurricane season in September does not always occur during an El Niño.
The combination of moisture from Erika and a non-tropical system will drench areas from Florida to the South Carolina coast through the middle of the week.
Heat will be erased by an autumnlike air mass across parts of northern Europe.
Long Island NY (1821)
Long Island hurricane of 1821 struck western Long Island. The storm affected a densely populated area where weather observers were common.
Tampa, FL (1935)
The "Labor Day" hurricane hit Tampa, killing 400 people. Earlier, this intense storm had a center barometric pressure of 26.35 inches - the lowest recorded sea level pressure in the Western Hemisphere.
Denver, CO (1961)
Earliest snow on record; a total of 4.2 inches. A great storm raged at high elevations with 2-3 feet of snow closing roads on Labor Day weekend.