Moderate

At 759 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles east of North Ogden to near Morgan. Movement was northeast at 25 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... Morgan, Nordic Valley, Powder Mountain, Stoddard, and Causey Reservoir. This includes Interstate 84 between mile markers 100 and 106, and near mile marker 109.

* WHAT...Temperatures between 105 to 109 degrees. * WHERE...Carson, Gray, Hemphill, Hutchinson, Lipscomb, Ochiltree, Potter, Randall, and Roberts Counties. * WHEN...From noon to 9 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

* WHAT...Temperatures between 105 to 109 degrees. * WHERE...Armstrong, Collingsworth, Donley, Palo Duro Canyon, and Wheeler Counties. * WHEN...From noon to 9 PM CDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

At 900 PM CDT, Doppler radar was tracking a strong thunderstorm near Woodbury, moving southeast at 25 mph. HAZARD...Wind gusts up to 40 mph and penny 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... McMinnville, Woodbury, Centertown, Bradyville, and Readyville. If outdoors, consider seeking shelter inside a building.

At 1002 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Shippensburg to near Gettysburg to Thurmont. 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... Hanover, Gettysburg, Parkville, Hampton, Littlestown, Carroll Valley, McSherrystown, Dillsburg, Lake Meade, Pennville, Bonneauville, New

At 1003 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms over Bluestone State Park, or near Hinton, moving 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. Locations impacted include... Lewisburg... Hinton... Ronceverte... Alderson... Union... Camp Creek... and Sandstone.

At 904 PM CDT, Doppler radar was tracking a strong thunderstorm near Bearden, or 15 miles west of Fordyce, moving south at 15 mph. HAZARD...Winds in excess of 40 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... Bearden... Thornton... Harlow... Highland Industrial Park...

At 810 PM MDT, Doppler radar was tracking a strong thunderstorm near Drummond, or near Marysville, moving northeast at 25 mph. HAZARD...Wind gusts in excess of 45 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Ashton, Marysville, Drummond, Ashton Reservoir, Warm River, Ashton Hill, and Mesa Falls State Park. If outdoors, consider seeking shelter inside a building.

At 1014 PM EDT, Doppler radar was tracking a strong thunderstorm near Lakeside Village, or near Fork Union, moving east at 20 mph. HAZARD...Wind gusts up to 40 mph and heavy rain. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Reduced visibility and minor flooding possible. This strong thunderstorm will be near... Columbia, Duncan, and Lakeside Village around 1020 PM EDT. Cartersville around 1025 PM EDT. Fife around 1030 PM EDT.

* WHAT...Dangerous swimming conditions are expected due to high wave action and strong rip currents. * WHERE...Marquette and Alger Counties. * WHEN...From 8 AM EDT Sunday through Sunday evening. * IMPACTS...High wave action and dangerous currents will lead to life threatening swimming conditions. Waves in rapid succession can tire swimmers quickly. * ADDITIONAL DETAILS...Current related fatalities and rescues in the past have occurred due to similar wave conditions at locations listed below: