Moderate

* WHAT...High temperatures of 90 to 97 degrees with lows of 50 to 55 degrees. * WHERE...In California, Modoc County, North Central and Southeast Siskiyou County, and Northeast Siskiyou and Northwest Modoc Counties. This includes Macdoel, Dorris, Tulelake, Tennant, Alturas, Adin and Lookout. In Oregon, Klamath Basin. This includes Klamath Falls, Chiloquin, Keno, Worden, Merrill and Malin. * WHEN...From 11 AM Monday to 11 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat related illnesses.

At 207 PM EDT, Doppler radar was tracking a strong thunderstorm over Crescent Beach, or 9 miles south of Saint Augustine, moving south at 10 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... Saint Augustine Beach, Marineland, Crescent Beach, Saint Augustine Shores, Butler Beach, and Dupont Center. If outdoors, consider seeking shelter inside a building.

* WHAT...Hot temperatures up to 105 expected. * WHERE...Palo Duro Canyon. * WHEN...Until 8 PM CDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

At 212 PM EDT, Doppler radar was tracking a strong thunderstorm over Wilmington. This thunderstorm was nearly stationary. HAZARD...Wind gusts up to 50 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... Wilmington, Leland, Bishop, Mayfaire, Hightsville, Cape Fear Community College North Campus, Wrightsboro, Wilmington International

* WHAT...Hot conditions with temperatures up to 96 degrees expected. This will pose a Moderate to Major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Central Oregon, Kittitas Valley, and Yakima Valley. * WHEN...From 10 AM to 10 PM PDT Monday. * 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. Young children and

At 221 PM EDT, Doppler radar was tracking a strong thunderstorm near Green Cove Springs, moving east at 5 mph. HAZARD...Wind gusts around 40 to 45 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Green Cove Springs and Switzerland. If outdoors, consider seeking shelter inside a building.

* WHAT...South winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Eastern Alaska Range North of Trims Camp. * WHEN...From 1 PM Sunday to 1 AM AKDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 145 PM EDT, Doppler radar was tracking a strong thunderstorm over Atlanta, moving east at 60 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This strong thunderstorm will be near... Hillman and Fletcher Pond around 150 PM EDT. Spratt around 155 PM EDT. Lachine around 200 PM EDT. If outdoors, consider seeking shelter inside a building.

At 145 PM EDT, Doppler radar was tracking a strong thunderstorm 10 miles northeast of Kings Bay Base, moving southeast at 10 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... High Point and Cumberland Island. If outdoors, consider seeking shelter inside a building.

At 1250 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Williamsburg to Hayesville. Movement was east at 35 mph. HAZARD...Winds in excess of 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could cause minor tree limb damage and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Sigourney, Williamsburg, Wellman, North English, Richland, Delta,