* WHAT. South winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 feet expected. * WHERE. Boston Harbor. * WHEN. From noon to 8 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 feet expected. * WHERE. Narragansett Bay. * WHEN. From 10 AM to 8 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heat index values up to 97. * WHERE. Northern Middlesex and Northern New London Counties. * WHEN. Until 8 PM EDT Sunday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 96. * WHERE. Northern Middlesex and Northern New London Counties. * WHEN. Until 8 PM EDT Sunday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 96. * WHERE. Northern Middlesex and Northern New London Counties. * WHEN. Until 8 PM EDT Sunday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Southwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 feet expected. * WHERE. Narragansett Bay. * WHEN. From 10 AM Sunday to 9 AM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 2 feet expected. * WHERE. Boston Harbor. * WHEN. From noon to 8 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heat index values up to 99. * WHERE. In Connecticut, Hartford CT, Tolland CT, and Windham CT Counties. In Massachusetts, Eastern Hampden MA and Eastern Hampshire MA Counties. * WHEN. Until 7 PM EDT Sunday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

SVRBOX The National Weather Service in Boston/Norton has issued a * Severe Thunderstorm Warning for. Windham County in northern Connecticut. Northeastern Tolland County in northern Connecticut. Southwestern Worcester County in central Massachusetts. Southeastern Hampden County in western Massachusetts. Western Kent County in Rhode Island. Providence County in Rhode Island. * Until 500 PM EDT. * At 356 PM EDT, a severe thunderstorm was located over Union, or 12 miles north of Mansfield, moving southeast at 35 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include. Cranston, Coventry, North Providence, Johnston, Plainfield, Smithfield, Lincoln, Killingly, Southbridge, Burrillville, Ellington, Stafford, North Smithfield, Scituate, Glocester, Putnam, Thompson, Sturbridge, Brooklyn, and Woodstock.

At 416 PM EDT, a severe thunderstorm was located near Pomfret, or 13 miles north of Plainfield, moving southeast at 35 mph. HAZARD. 60 mph wind gusts and nickel size hail. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. Locations impacted include. Cranston, Coventry, North Providence, Johnston, Plainfield, Smithfield, Lincoln, Killingly, Burrillville, North Smithfield, Scituate, Glocester, Putnam, Thompson, Brooklyn, Woodstock, West Greenwich, Foster, Pomfret, and Sterling.