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09 Sep 2023 | 01:54 AM UTC

US: Adverse weather forecast across parts of the Northeast through early Sept. 9

Severe weather forecast across parts of the Northeast, US, through early Sept. 9. Transport, business, and utility disruptions likely.

Warning

Event

Adverse weather is forecast across parts of the Northeast through at least early Sept. 9. Heavy downpours, large hail, high winds, and possible tornadoes may accompany severe thunderstorms. Heavy rainfall could trigger flooding in low-lying areas, and strong winds will likely cause property damage and power outages.

As of late Sept. 8, the National Weather Service (NWS) has issued severe thunderstorm watches and warnings across most of the affected area through early Sept. 9. The Storm Prediction Center (SPC) has warned of a slight risk (level 2 on a five-tier scale) of severe thunderstorms across far southeastern Pennsylvania, northern Delaware, eastern and southern Maryland, and far northern Virginia through early Sept. 9.

The NWS's Weather Prediction Center (WPC) has warned of a slight risk (level 2 on a four-tier scale) of excessive rainfall for parts of the Northeast over the same period. Officials could update and extend the coverage of weather alerts over the coming days.

As of late Sept. 8, more than 48,000 people in Massachusetts, 32,000 in New York, 15,000 in Virginia, and 14,000 in New Jersey and Connecticut are without power.

The severe weather will likely contribute to transport disruptions throughout the region. Floodwaters and debris flows may render some bridges, rail networks, or roadways impassable, impacting overland travel in and around affected areas. Ponding on road surfaces could cause hazardous driving conditions on regional highways. Authorities could temporarily close some low-lying routes that become inundated by floodwaters.

Severe weather will likely trigger flight delays and cancellations at airports across the affected region. Flooding could block regional rail lines; freight and passenger train delays and cancellations are possible in areas with heavy rainfall and potential track inundation.

Localized business disruptions will likely occur in flood- or tornado-hit areas; some businesses might not operate at full capacity because of damage to facilities, possible evacuations, and some employees' inability to reach work sites.

Advice

Monitor local media for updated emergency and weather information. Seek updated information on weather and road conditions before driving or routing shipments through areas where severe weather is forecast. Plan accordingly for potential delivery delays if routing shipments by truck through the affected area. Do not attempt to drive through flooded areas. Confirm flights. Charge battery-powered devices in the case of prolonged electricity outages.

Resources

National Weather Service
NWS Tornado