Severe Thunderstorm Watch Declared Through 4 p.m. Tuesday

Radar for the Boston area as of Tuesday, June 23 at 10:14 a.m.

National Weather Service

Radar for the Boston area as of Tuesday, June 23 at 10:14 a.m.

The National Weather Service has issued a severe thunderstorm watch for JP and surrounding areas.

The watch began at 10 a.m. Tuesday and expires at 4 p.m.

For more on what “severe thunderstorms” actually mean, visit meteorologist David Epstein’s blog on boston.com.

The Weather Service says there’s a “very low risk” of isolated tornadoes plus torrential downpours and flooding.