Moderate

* WHAT...Strong currents and dangerous swimming conditions expected. * WHERE...Beaches of Niagara and Orleans counties. * WHEN...From 1 AM EDT Monday through Monday morning. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.

At 410 PM EDT, Doppler radar was tracking a strong thunderstorm 8 miles northeast of Hamilton Branch State Park, or 20 miles north of Martinez, moving east at 25 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... Edgefield, Saluda, Johnston, Ridge Spring, Aiken Municipal Airport, Saluda County Airport, Edgefield County Airport, Trenton, Ward, Lick

At 410 PM EDT, National Weather Service meteorologists were tracking a strong thunderstorm over Intersection I-75 And U.S. 27, or 9 miles west of Sunrise, moving east at 10 mph. HAZARD...Wind gusts of 45 to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Davie, Plantation, Sunrise, Weston, Sawgrass Mills Mall, East Toll

At 411 PM EDT, Doppler radar was tracking a strong thunderstorm near Pavo, or 13 miles south of Moultrie, moving southeast at 30 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... Adel, Thomasville, Moultrie, Sparks, Boston, Lenox, Ochlocknee, Pavo, Coolidge, Morven, Berlin, Barwick, Ellenton, Reed Bingham State Park, Thomasville Municipal A/P, Dillon, Greggs, Enon, Flat Ford, and Wagon

At 311 PM CDT, Doppler radar was tracking a strong thunderstorm over Gruetli-Laager, or 14 miles west of Dunlap, moving east at 25 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... Dunlap, Whitwell, Powells Crossroads, Cartwright, Lone Oak, Griffith Creek, Chimneys State Park, North Chickamauga Creek Gorge, and Flat Top Mountain. If outdoors, consider seeking shelter inside a building.

At 411 PM EDT, Doppler radar was tracking a strong thunderstorm over Givhans Ferry State Park, moving east at 20 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... North Charleston, Summerville, Givhans Ferry State Park, Ladson, Dorchester, Ridgeville, Cottageville, Knightsville and Jedburg. This includes I-26 between mile markers 187 and 204.

At 410 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms extending from 6 miles southeast of Prospect Hill to 7 miles northeast of Kernersville. Movement was east at 20 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Greensboro, Durham, High Point, Chapel Hill, Burlington, Graham,

At 413 PM EDT, Doppler radar was tracking a strong thunderstorm over Salt Springs, moving east at 15 mph. HAZARD...Wind gusts around 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Salt Springs. If outdoors, consider seeking shelter inside a building.

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 5 feet expected. * WHERE...Lake IN and Porter Counties. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

At 413 PM EDT, Doppler radar was tracking a strong thunderstorm 4 miles southwest of Downtown Concord, or near Harrisburg, moving east at 30 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... Kannapolis, Downtown Concord, West Concord, Harrisburg, Mt Pleasant, Coddle Creek Reservoir, Charlotte Motor Speedway, Enochville, and Finger.