Severe Thunderstorm and Flood Watches Discontinued as Storms Move East of Interstate 95

Flood and severe thunderstorm watches have been discontinued as storms move east of Interstate 95. The heaviest showers and storms have already pushed east of the interstate, and watches for severe thunderstorms and flooding have been canceled everywhere except around Baltimore and Anne Arundel County. In these areas, downpours could continue for another hour or so.

The D.C. area mostly avoided severe storms and flooding, as the heaviest activity remained to the north and northeast. Flash flood warnings have been issued for many areas, from northeast Maryland to New York state, due to multiple inches of rain in a short time.

For the rest of the afternoon and evening, after the downpours exit areas east of I-95, mainly dry conditions can be expected with temperatures in the 70s. However, a pop-up downpour is still possible.

Rainfall totals have varied greatly, ranging between about 0.1 and 1.0 inches, with locally higher amounts east and northeast of the District.

Earlier in the afternoon, a main line of storms was moving east toward the D.C. area. Western areas were affected first, while areas east of town may see impacts later, possibly closer to 8 p.m. The sunniest locations had a higher risk of seeing stronger storms. Lingering rains were possible after the severe thunderstorm watch ended, with the flood watch in effect until 10 p.m.

Throughout the night, lightning and the heaviest downpours with the potential to cause flooding could last until 10 p.m., gradually diminishing afterward. Heavy rain could last up to about an hour to an hour and a half in any given location. Damaging wind gusts above 57 mph may be limited to the main line of storms moving eastward through the region until about 8 p.m., targeting the areas that were sunniest earlier in the afternoon. Most locations have a greater than 50 percent chance of seeing some rain. Low temperatures will range from the mid-60s to about 70 degrees.

Tomorrow, quick showers or a storm are possible at any time, but the chance of precipitation will decrease slowly throughout the day, and sunshine should increase. Heat index values should stay below 90 degrees, with lower dew points in the mid-60s combining with cooler high temperatures in the mid-80s. Refreshing northwest breezes could occasionally gust to about 15 mph.

Overnight, the weather will quiet down under clearing skies, with low temperatures cooling into the mid-60s to about 70 degrees, thanks to light northwesterly breezes.

A severe thunderstorm watch is in effect until 8 p.m., adding to the watches already in place north and south of the core D.C. area. The potential for wind damage from any severe storms should decrease after 7 p.m. south and east of town, but the threat of flooding downpours will persist until after 10 p.m.

The timing of the main line of storms, which may include wind and downpours, is estimated as follows:

– 1 to 4 p.m.: Fauquier and Loudoun
– 2 to 5 p.m.: Carroll, Fairfax, Frederick, Howard, Montgomery, Prince William, Stafford
– 2:30 to 5:30 p.m.: D.C., Arlington, Alexandria, Prince George’s, Charles
– 4 to 8 p.m.: Anne Arundel, Calvert, St. Mary’s

The biggest threat for tonight is flooding from thunderstorm downpours, with over a 40 percent chance. Damaging wind gusts above 57 mph are the next-most-likely threat after the primary flooding threat subsides. It is important to remember to turn around and not attempt to travel through flooded areas.

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What areas are still under flood and severe thunderstorm watches after the storms have moved east of Interstate 95?

Due to the movement of storms east of Interstate 95, flood and severe thunderstorm watches have been discontinued. The heaviest showers and storms have already moved east of the interstate, resulting in the cancellation of severe thunderstorm and flood watches everywhere except for Baltimore and Anne Arundel County. In these areas, downpours may continue for another hour or so.

Fortunately, the D.C. area mostly escaped severe storms and flooding as the strongest activity remained to the north and northeast. However, flash flood warnings have been issued for several areas, ranging from northeast Maryland to New York state, due to heavy rainfall in a short period.

For the remainder of the afternoon and evening, dry conditions are expected after the downpours clear east of I-95, with temperatures in the 70s. Although there is a possibility of isolated showers.

Rainfall totals have varied, ranging from about 0.1 to 1.0 inches, with higher amounts reported east and northeast of the District.

Earlier in the afternoon, a line of storms was moving east towards the D.C. region. Western areas were initially impacted, while areas east of the city may experience effects later, potentially around 8 p.m. Locations with more sun exposure had a higher chance of encountering stronger storms. Lingering rainfall was possible even after the severe thunderstorm watch ended, with the flood watch in effect until 10 p.m.

Throughout the night, lightning and heavy downpours that could lead to flooding may persist until 10 p.m., gradually diminishing afterwards. In any given location, heavy rain could last for approximately one to one and a half hours. Damaging wind gusts over 57 mph may be limited to the main line of storms moving eastward.