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Atlantic Hurricane Basin

Sep 18, 2018

Tropical Rainstorm Florence is moving east northeast at around 14 mph across eastern Pennsylvania as of early Tuesday morning. There are no significant winds with the system, so heavy rainfall will remain the primary threat.

Bands of intense showers and thunderstorms extend across portions of Pennsylvania and New Jersey with a few showers and thunderstorms still across Maryland. Steadier heavy rain will move across New York and southern New England today. Much of the rain from what is left of Florence will fall on areas that have had heavy rain over the last couple of weeks. This can lead to flash flooding in some areas today and tonight.

Florence will accelerate east northeast today as Florence and its deep tropical moisture merges with a southeast moving cold front. This resultant system will move off the Northeast U.S. coast tonight.

What was once Hurricane Isaac is now an open wave over the central Caribbean Sea. This system is not expected to develop into an organized tropical feature.

Tropical Depression Joyce is currently centered in the open waters of the Atlantic around 330 miles south of the Azores. Joyce should remain well south of the Azores over the next few days and should eventually weaken into nothing more than a remnant low pressure area later this week.

Elsewhere in the basin, we do not anticipate any additional tropical development for at least the next three to five days.

Written by AccuWeather Senior Meteorologist Dan Kottlowski, updated by meteorologist Steve Travis

Tropical News

Tropical moisture to fuel downpours in southwestern US at midweek
Tropical moisture to fuel downpours in southwestern US at midweek
September 18, 2018; 4:47 AM
Tropical moisture will bring needed rainfall, but also a flood risk to the southwestern United States and southern High Plains during the second half of the week.
By the numbers: Florence's devastating blow to the Carolinas
By the numbers: Florence's devastating blow to the Carolinas
September 17, 2018; 3:00 PM
Hurricane Florence made landfall in North Carolina early Friday morning. The storm trekked west, dumping catastrophic flooding rainfall on those on its path.
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Florence to renew flood concerns in northeastern US early this week
September 17, 2018; 2:24 PM
Florence will unleash disruptive downpours and raise the risk of flash flooding in the northeastern United States through Tuesday.
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September 17, 2018; 1:32 PM
When an extreme weather situation is forecast, getting the right information at the right time is paramount, whether it's before, during or after the storm has occurred.
The worst flooding from Florence may be yet to come for some communities in the Carolinas
The worst flooding from Florence may be yet to come for some communities in the Carolinas
September 17, 2018; 12:03 PM
Flooding from Florence is far from over and the worst may be yet to come for some unprotected communities along the major rivers in parts of the Carolinas and southern Virginia.
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September 17, 2018; 10:07 AM
Of the more than one million people ordered to evacuate before Hurricane Florence's arrival on the eastern United States coast, not everyone chose to escape harm's way.
Organizations around the country flock to the rescue of animals amid Florence
Organizations around the country flock to the rescue of animals amid Florence
September 17, 2018; 8:39 AM
Dozens of organizations, teams and families from around the country came to the rescue throughout the weekend, providing temporary homes and transportation to safer shelters.
Mangkhut kills at least 78 after lashing Philippines, China
Mangkhut kills at least 78 after lashing Philippines, China
September 17, 2018; 8:01 AM
After turning deadly in the northern Philippines, Mangkhut unleashed damaging winds and flooding rain across southern China.
Flood disaster to last 1-2 weeks in Carolinas after Florence's historic rain ends
Flood disaster to last 1-2 weeks in Carolinas after Florence's historic rain ends
September 16, 2018; 3:24 PM
Even in the wake of Florence's historic rainfall in the Carolinas, major and record river flooding can prolong the disaster for another 1-2 weeks.
Reports: Wilmington among communities cut off by floodwaters as Florence death toll rises to 17
Reports: Wilmington among communities cut off by floodwaters as Florence death toll rises to 17
September 15, 2018; 8:29 PM
Florence has led to at least 17 deaths as its devastating rainfall continues to inundate North Carolina.
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