* WHAT. West winds 15 to 25 knots and waves 3 to 6 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 5 AM EDT Monday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. West winds 15 to 25 knots and waves 2 to 5 feet expected. * WHERE. The nearshore waters of Lake Erie from Geneva-on-the- Lake OH to Ripley NY. * WHEN. Until 4 AM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. High risk of rip currents expected. * WHERE. In Ohio, Lorain, Cuyahoga, Lake and Ashtabula Lakeshore Counties. In Pennsylvania, Northern Erie County. * WHEN. Through late tonight. * IMPACTS. Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake.

* WHAT. West winds to 30 knots and waves 3 to 6 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 5 AM EDT Monday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Strong currents and dangerous swimming conditions. * WHERE. Beaches of Erie and Chautauqua counties. * WHEN. Through Monday morning. * IMPACTS. Strong currents and dangerous swimming conditions.

* WHAT. Strong currents and dangerous swimming conditions. * WHERE. Beaches of Chautauqua and Southern Erie counties. * WHEN. Through Monday afternoon. * IMPACTS. Strong currents and dangerous swimming conditions.

At 459 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hermitage to Farrell to near Canfield. Movement was east at 40 mph. HAZARD. Wind gusts up to 50 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. New Castle, Hermitage, Sharon, Grove City, Sharpsville, Farrell, New Wilmington, Oakwood, New Castle Northwest, Mercer, Pulaski, Bessemer, Stoneboro, New Bedford, West Middlesex, Plain Grove Township, Sandy Lake, Clark, Wheatland, and Fredonia. This includes the following highways. Interstate 79 in Pennsylvania between mile markers 112 and 128. Interstate 80 in Pennsylvania between mile markers 0 and 23. Interstate 376 in Pennsylvania between mile markers 0 and 16.

* WHAT. West winds 15 to 25 knots and waves 4 to 7 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 2 PM EDT Monday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. High risk of rip currents. * WHERE. In Ohio, Lorain, Cuyahoga, Lake and Ashtabula Lakeshore Counties. In Pennsylvania, Northern Erie County. * WHEN. Through late tonight. * IMPACTS. Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake.

* WHAT. West winds 15 to 25 knots and waves 3 to 6 feet. * WHERE. The nearshore waters of Lake Erie from Geneva-on-the- Lake OH to Ripley NY. * WHEN. Until 4 AM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 449 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN PENNSYLVANIA THIS WATCH INCLUDES 33 COUNTIES IN CENTRAL PENNSYLVANIA ADAMS BEDFORD BLAIR CAMBRIA CAMERON CENTRE CLEARFIELD CLINTON COLUMBIA CUMBERLAND DAUPHIN ELK FRANKLIN FULTON HUNTINGDON JUNIATA LANCASTER LEBANON LYCOMING MCKEAN MIFFLIN MONTOUR NORTHUMBERLAND PERRY POTTER SCHUYLKILL SNYDER SOMERSET SULLIVAN TIOGA UNION WARREN YORK THIS INCLUDES THE CITIES OF ALTOONA, BEDFORD, BERWICK, BLOOMSBURG, BRADFORD, CARLISLE, CHAMBERSBURG, CLEARFIELD, COUDERSPORT, DANVILLE, DUBOIS, EMPORIUM, GETTYSBURG, HARRISBURG, HERSHEY, HUNTINGDON, JOHNSTOWN, LANCASTER, LAPORTE, LEBANON, LEWISBURG, LEWISTOWN, LOCK HAVEN, MANSFIELD, MCCONNELLSBURG, MIFFLINTOWN, MOUNT UNION, NEWPORT, POTTSVILLE, RENOVO, RIDGWAY, SELINSGROVE, SHAMOKIN, SOMERSET, ST. MARYS, STATE COLLEGE, SUNBURY, WARREN, WAYNESBORO, WELLSBORO, WILLIAMSPORT, AND YORK.