Strong to Severe Thunderstorms With Damaging Winds, Hail Spread Into Northeast

July 18,2016
A cold front will sweep through parts of the Northeast and Ohio Valley into Monday evening with a risk of strong to severe thunderstorms. The storms could produce damaging wind gusts, large hail and flash flooding in parts of those regions.
Early Monday afternoon, the storms produced hail to the size of golf balls near Allenwood, Pennsylvania, and Colebrook, New Hampshire. Trees and power lines were downed in parts of Pennsylvania, New York and Vermont.
Later Monday afternoon, winds gusted to 66 mph at Newark International Airport in New Jersey. Ground stops were in place there and at many of the other major Northeast aiports.
Monday evening, a large tree was taken down by strong winds in Homer, New York. Penny-sized hail was also reported in the area from the same storm.

For more on Monday's severe weather reports, click here to read our impacts article.
Below are the latest severe weather forecast details.

Current Radar with Watches and Warnings

(MORE: National Interactive Radar Map | Differences Between a Watch and a Warning)

Severe Weather Forecast

Monday Evening

• Forecast: Scattered severe storms may impact a swath from the Northeast to the Ohio Valley, including parts of New England, New York, Pennsylvania, Ohio, Indiana, central Illinois, and northern Kentucky. Some severe weather may reach as far east as the I-95 corridor.
• Threats: Damaging winds and large hail are the main concerns, though an isolated tornado cannot be rule out.

Monday Evening's Thunderstorm Forecast

Storm Reports Since Last Weekend

Sunday
At least two tornadoes touched down in eastern Iowa early Sunday and caused a few homes to lose their roofs. Additionally, there was damage to trees and bushes.
For more on Sunday's severe weather reports, click here to read our impacts article.
Saturday
There were numerous reports of winds gusting above hurricane force in northeastern South Dakota, and a few reports of 1.50" hail and larger in southwestern parts of that state. One tornado was reported in Oglala Lakota County in South Dakota, and another was reported in Clark County.
Flash flooding became dangerous in Raleigh-Durham, North Carolina Saturday night. Numerous water rescues took place in the metro.
For more on this, please read our impact article.
Friday
There were six tornado reports around the border between Colorado and Kansas (three in Colorado and three in Kansas). Winds were blown out of a house near Sheridan Lake, Colorado.
Thursday
Eastern Oklahoma had a severe line of storms roll through on Thursday afternoon. Wind gusts were recorded up to 80 mph in Muskogee and 75 mph in the Tulsa area. Wichita, Kansas, also saw a wind gust to 80 mph, only the eighth time on record since 1970 a gust that strong has been clocked, there.

Above: Wind damage in Broken Arrow, Oklahoma, Thursday.Large hail was seen in parts of southeastern Colorado. Peterson Air Force Base was struck with hen-egg-sized hail and neighboring areas saw hail ranging from 1.50 to 2 inches in diameter.
Strong storms also moved through New England and New Jersey.
For more on Thursday's severe weather reports, click here to read our impacts article.
Wednesday
A derecho roared from northwest Kansas early Wednesday to Ohio late Wednesday night, with a swath of damaging winds stretching nearly 950 miles.
(MORE: Summer Derechoes Have a Favored Corridor)
The St. Louis area took the brunt of the severe weather Wednesday, as a line of strong thunderstorms knocked down trees and power lines and caused some structural damage. More than 200,000 people were left without power.
One person suffered minor injuries in Maryland Heights, Missouri, due to gusty winds blowing a folding table into his or her head.
For more on Wednesday's severe weather reports, click here to read our impacts article.
Monday
Serious flash flooding occurred in Minnesota Monday evening, with as much as 10 to 12 inches of rain falling in a matter of hours in central and eastern portions of the state.
A tornado caused damage to homes in Litchfield, Minnesota, early Monday evening.
For more on Monday's storm reports, click here to read our impacts article.
Sunday
Sunday evening, a swarm of thunderstorms with damaging hail, in addition to damaging winds, tore across the northern Plains from far eastern Montana to northern Minnesota.
Damage to siding, windows, and skylights was reported in the town of Killdeer, North Dakota, about 100 miles west-northwest of Bismarck, thanks to hail larger than baseballs, driven by high winds.

In Baker, Montana, wind gusts as high as 65 mph and hail up to 1.75 inches in diamater knocked down trees and broke windows on homes.
Winds gusted as high as 70 mph in Fairfield, North Dakota, and that combined with 1.75 inch hail broke both car and home windows.

A tornado was spotted by storm chasers near Dillon, Montana, Sunday afternoon. No damage was reported as a result of this. According to NOAA/NCEI, this was the first reported tornado in Beaverhead County, Montana, since July 19, 1997.

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MORE: Plains, Midwest Severe Weather and Flooding