* WHAT. Heat index values up to 102. * 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 this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* 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.

At 426 PM EDT, Doppler radar was tracking a strong thunderstorm over New London, moving east at 45 mph. HAZARD. Wind gusts up to 40 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. Laconia, Franklin, New London, Meredith, Plymouth, Grafton, Alton, Holderness, Ashland, Danbury, Belmont, Gilford, Bristol, Andover, Alexandria, Center Harber, Hill, Bridgewater, Hebron, and Wilmot. This includes the following highways. Interstate 89 between mile markers 33 and 36. Interstate 93 between mile markers 58 and 77.

* WHAT. South winds 15 to 20 kt with gusts up to 25 kt and waves around 2 feet. * WHERE. Boston Harbor. * WHEN. Until 11 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heat index values up to 96. * 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 this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 448 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MASSACHUSETTS THIS WATCH INCLUDES 6 COUNTIES IN CENTRAL MASSACHUSETTS WORCESTER IN EASTERN MASSACHUSETTS MIDDLESEX IN NORTHEASTERN MASSACHUSETTS ESSEX IN WESTERN MASSACHUSETTS FRANKLIN HAMPDEN HAMPSHIRE THIS INCLUDES THE CITIES OF FITCHBURG, FRAMINGHAM, GLOUCESTER, GREENFIELD, LAWRENCE, LOWELL, NORTHAMPTON, SPRINGFIELD, AND WORCESTER.

SVRGYX The National Weather Service in Gray Maine has issued a * Severe Thunderstorm Warning for. Cheshire County in southern New Hampshire. * Until 515 PM EDT. * At 421 PM EDT, a severe thunderstorm was located 8 miles northwest of Hinsdale, or 17 miles west of Keene, moving east at 40 mph. HAZARD. 60 mph wind gusts and penny size hail. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. * Locations impacted include. Keene, Jaffrey, Peterborough, Winchester, Antrim, Fitzwilliam, Dublin, Richmond, Harrisville, Nelson, Gilsum, Marlborough, Westmoreland, Swanzey, Hinsdale, Roxbury, Stoddard, Troy, Sullivan, and Chesterfield. This also includes. Mount Monadnock.

At 431 PM EDT, a severe thunderstorm was located over Chesterfield, or 10 miles west of Keene, moving east at 40 mph. HAZARD. 60 mph wind gusts and half dollar size hail. SOURCE. Radar indicated. IMPACT. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include. Keene, Jaffrey, Peterborough, Winchester, Antrim, Fitzwilliam, Dublin, Richmond, Harrisville, Nelson, Gilsum, Marlborough, Westmoreland, Swanzey, Hinsdale, Roxbury, Stoddard, Troy, Sullivan, and Chesterfield. This also includes. Mount Monadnock.

TORGYX The National Weather Service in Gray Maine has issued a * Tornado Warning for. Southeastern Cheshire County in southern New Hampshire. * Until 515 PM EDT. * At 450 PM EDT, a severe thunderstorm capable of producing a tornado was located over Swanzey, or near Keene, moving east at 40 mph. HAZARD. Tornado and half dollar size hail. SOURCE. Radar indicated rotation. IMPACT. Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * This dangerous storm will be near. Keene, Jaffrey, Swanzey, Marlborough, Fitzwilliam, Dublin, Richmond, Harrisville, Nelson, and Troy around 455 PM EDT. Peterborough around 500 PM EDT. This also includes. Mount Monadnock.

At 435 PM EDT, a severe thunderstorm was located over Chesterfield, or 8 miles west of Keene, moving east at 40 mph. HAZARD. 60 mph wind gusts and half dollar size hail. SOURCE. Radar indicated. IMPACT. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include. Keene, Jaffrey, Peterborough, Winchester, Antrim, Fitzwilliam, Dublin, Richmond, Harrisville, Nelson, Gilsum, Marlborough, Westmoreland, Swanzey, Hinsdale, Roxbury, Stoddard, Troy, Sullivan, and Chesterfield. This also includes. Mount Monadnock.

TORNADO WATCH 448 REMAINS VALID UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MASSACHUSETTS THIS WATCH INCLUDES 6 COUNTIES IN CENTRAL MASSACHUSETTS WORCESTER IN EASTERN MASSACHUSETTS MIDDLESEX IN NORTHEASTERN MASSACHUSETTS ESSEX IN WESTERN MASSACHUSETTS FRANKLIN HAMPDEN HAMPSHIRE THIS INCLUDES THE CITIES OF FITCHBURG, FRAMINGHAM, GLOUCESTER, GREENFIELD, LAWRENCE, LOWELL, NORTHAMPTON, SPRINGFIELD, AND WORCESTER.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 448 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MAINE THIS WATCH INCLUDES 5 COUNTIES IN SOUTHWEST MAINE ANDROSCOGGIN CUMBERLAND YORK IN WESTERN MAINE FRANKLIN OXFORD IN NEW HAMPSHIRE THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL NEW HAMPSHIRE BELKNAP MERRIMACK STRAFFORD SULLIVAN IN NORTHERN NEW HAMPSHIRE CARROLL COOS GRAFTON IN SOUTHERN NEW HAMPSHIRE CHESHIRE HILLSBOROUGH ROCKINGHAM THIS INCLUDES THE CITIES OF ALFRED, ANDOVER, ASHLAND, ATKINSON, AUBURN, AVON, BARRINGTON, BERLIN, BETHEL, BETHLEHEM, BIDDEFORD, BOSCAWEN, BRIDGEWATER, BROOKFIELD, BRYANT POND, BYRON, CANTERBURY, CAPE ELIZABETH, CHESTER, CLAREMONT, COBURN GORE, CONCORD, CORNISH, CROYDON, DAVIS, DERRY, DOVER, DUMMER, DUNBARTON, DURHAM, ERROL, FARMINGTON, GILFORD, GILSUM, GOSHEN, GRANTHAM, GREENE, HAMPSTEAD, HANOVER, HOLLIS, JACKSON, KEENE, KINGFIELD, LACONIA, LEBANON, LEBANON, LEMPSTER, LEWISTON, LINCOLN, LITTLETON, LOUDON, LYME, MADBURY, MANCHESTER, MARLOW, MILAN, MILLSFIELD, MINOT, NASHUA, NEW GLOUCESTER, NEWTON, OLD ORCHARD BEACH, OQUOSSOC, OSSIPEE, PELHAM, PLAISTOW, PORTLAND, RANGELEY, ROCHESTER, ROLLINSFORD, SABATTUS, SACO, SALEM, SANFORD, SOMERSWORTH, SOUTH PORTLAND, SUGAR HILL, SULLIVAN, SURRY, TUFTONBORO, TURNER, UNITY, UPTON, WAKEFIELD, WALES, WESTBROOK, WILSONS MILLS, WOLFEBORO, AND YORK POND.