LIVE: Severe Threat Diminishing in New England

By , Meteorologist
September 19, 2012; 1:17 AM ET
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Flooding rain, strong winds and violent thunderstorms are expanding across heavily populated areas of the Northeast.

Flash flooding and damaging winds are concerns with the strongest thunderstorms erupting.

The storms have moved past the major cities along the I-95 corridor, from New York City to Philadelphia and Washington, D.C., but are now erupting from Eastern Long Island and moving toward Boston.

Keep ahead of the storm with AccuWeather Professional radar- includes hail potential radar, storm top radar, vertical cross-section showing wind heights and speed- and more!

Rainfall amounts of 1-2 inches are possible along the I-95 corridor in the mid-Atlantic.

Location
Storm Total
(as of 7:00 p.m. EDT)
Knoxville, Tenn.
6.10 inches
Chattanooga, Tenn.
5.72 inches
Oak Ridge, Tenn.
4.99 inches
London, Ky.
3.98 inches
Asheville, N.C.
4.29 inches
Selinsgrove, Pa.
2.78 inches

High winds even without thunderstorms can cause power disruptions from New Jersey and eastern New York through New England.

UPDATES:

12:27 a.m. EDT Wednesday: The Mill River in Northampton, Mass., was rapidly approaching flood stage from earlier heavy rain. The water is expected to subside later tonight.

10:24 p.m. EDT Tuesday: Strong thunderstorm wind gusts knocked down multiple trees in East Hampton, Conn.

9:37 p.m. EDT Tuesday: I-95 southbound was closed due to car stranded in floodwaters near exit 16 in Norwalk, Conn.

8:20 p.m. EDT Tuesday: I-95 northbound was closed due to a large downed tree near exit 4 in Cos Cob, Conn.

7:15 p.m. EDT Tuesday: Trees were knocked down on Fairview Ave. in Paramus, N.J., making the road impassable.

6:15 p.m. EDT Tuesday: Flash flooding countywide in Sullivan County, NY. Willowemoc & Callicoon creeks overflowing their banks. 1 to 2 feet of water on roads.

5:43 p.m. EDT Tuesday: Unconfirmed report of a tornado touching down in Bedford County, Tenn. Reports reads that the tornado touched down at a residence along Highway 41A. Dozens of trees were snapped and uprooted and the house sustained roof damage.

5:35 p.m. EDT Tuesday: 2 firefighters were injured after a tree fell in Chester, Pa.

4:55 p.m. EDT Tuesday: Trees down in Delaware, Montgomery and Chester Counties, Pa.

4:53 p.m. EDT Tuesday: Trees and wires down in Schoharie and Columbia Counties, N.Y.

4:00 p.m. EDT Tuesday: Flash flooding reported in York County, Pa. Codorus Creek and Conewago Creek are flooded. Indian Rock Dam Road closed and 15-20 mobile homes were evacuated at Route 74 and Pine Road.

3:43 p.m. EDT Tuesday: Off ramp of I-270 North reported flooded at the Montgomery Avenue exit in Montgomery County, Md.

3:40 p.m. EDT Tuesday: Exit ramp to 209 from PA Turnpike closed. Water rescues occurred.

3:22 p.m. EDT Tuesday: The National Weather Service has issued a tornado warning for D.C., Southeastern Montgomery County in Central Maryland and Northern Prince Georges County in Central Maryland until 3:45 p.m. EDT.

3:15 p.m. EDT Tuesday: Storms moving through the D.C. area are producing frequent wind gusts of 50 mph and higher.

3:10 p.m. EDT Tuesday: 61 mph wind gust recorded in Arlington County, Va.

2:55 p.m. EDT Tuesday: 1 inch of rain recorded in 20 minutes in Raleigh, N.C.

2:45 p.m EDT Tuesday: Flash flooding is occurring across Frederick County, Md., forcing road closures. Harney Road is closed near Emmitsburg, and Wolfsville Road is close a couple miles northeast of Myersville.

1:56 p.m. EDT Tuesday: Roof partially blown off a house in in Palmyra, Va.

1:45 p.m. EDT Tuesday: Unconfirmed report of a funnel cloud near Glendale Circle in Culpeper County, Va.

1:40 p.m. EDT Tuesday: Flash flooding with 12-18 inches of water over Patrick Street in Frederick, Md., is occurring.

1:00 p.m. EDT Tuesday: Flash flooding is occurring around Winchester, Va., including around the campus of Shenandoah University.

12:55 p.m. EDT Tuesday: Small branches about 1-inch in diameter are snapping from gusty winds.

12:18 p.m. EDT Tuesday: The National Weather Service issued a tornado watch until 7 p.m. EDT for Delaware, eastern Maryland, New Jersey, far southeast New York, and eastern Pennsylvania.

11:02 a.m. EDT Tuesday: The National Weather Service issued a tornado watch until 7 p.m. EDT for parts of D.C., Maryland, northern North Carolina, central and eastern Virginia, and the eastern West Virginia panhandle.

10:20 a.m. EDT Tuesday: A funnel cloud has been spotted 5 miles east of Warsaw, N.C., and hail with up to 0.75-inch diameters fell.

10:17 a.m. EDT Tuesday: The National Weather Service issued a tornado watch until 5:00 p.m. EDT for 24 North Carolina counties.

9:00 a.m. EDT Tuesday: A severe weather watch box is likely for central North Carolina, central Virginia to south-central Pennsylvania.

6:37 a.m. EDT Tuesday: Some cars are stranded in high water over roadways in the Knoxville, Tenn., area.

2:38 a.m. EDT Tuesday: A rock slide is covering a portion of northbound Highway 15 just 1 mile north of Jackson, Ky.

1:35 a.m. EDT Tuesday: Standing water is forcing the closure of Sally Branch Road in Bush, Ky.

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