Moderate

* WHAT...High temperatures up to 101 with overnight temperatures over 65. Moderate to localized high HeatRisk. * WHERE...Southern Mendocino Interior, and Southern Lake. * WHEN...Until 11 PM PDT Monday. * IMPACTS...Moderate to localized high HeatRisk will increase the potential for heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...High temperatures of 94 to 102 degrees expected and low temperatures in the mid 60s to low 70s, with widespread Moderate HeatRisk and areas of Major HeatRisk. * WHERE...Sacramento and northern San Joaquin Valleys, Delta and Carquinez Strait, and foothills. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses, especially to anyone without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Hottest days expected Monday through Wednesday.

* WHAT...Dangerous rip currents and breaking waves are expected due to elevated surf of 3 to 6 feet. Abnormally high morning and evening tides of 6.5 to 7 ft is expected. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. Most susceptible areas will be Long Beach and Avalon Harbor Tuesday and Wednesday. Then, Mailbu to Ventura Wednesday through Friday. * WHEN...From Tuesday afternoon through Friday evening.

* WHAT...East winds 10 to 20 mph with gusts up to 35 mph. * WHERE...Kern River Valley, including Lake Isabella. * WHEN...Until 6 PM PDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...High temperatures up to 104 degrees expected with the warmest temperatures will be located in the southern San Joaquin Valley. Overnight lows between 70 and 75 degrees expected in the Sierra Foothills where the thermal belt is strongest. * WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal West Hills. * WHEN...Until 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to major risk of heat-related

At 412 PM EDT, Doppler radar was tracking a strong thunderstorm near Kingsland, moving east at 15 mph. HAZARD...Wind gusts around 40 mph and minor flooding due to heavy rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor flooding due to heavy rainfall is possible. Locations impacted include... St. Marys, Kingsland, Kings Bay Base, Kings Ferry, High Point, Dungeness, Cumberland Island, Harrietts Bluff, and Colesburg.

At 329 PM EDT, Doppler radar was tracking a strong thunderstorm capable of producing a landspout near Bunnell, moving east at 15 mph. HAZARD...Landspouts and wind gusts around 40 mph. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Palm Coast, Flagler Beach, Bunnell, Beverly Beach, and Espanola. If outdoors, consider seeking shelter inside a building.

At 259 PM EDT, a line of strong thunderstorms was along a line extending from Waleska to Sutallee to Emerson, and moving east at 15 mph. HAZARD...Frequent cloud to ground lightning and heavy rain. SOURCE...Radar indicated. IMPACT...Lightning is one of nature's leading killers. If you can hear thunder, you are close enough to be struck by lightning. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include...

* WHAT...Minor coastal flooding and dangerous rip currents expected due to the combination of high tides and elevated surf. * WHERE...San Diego and Orange County Coastal Areas. * WHEN...From Tuesday afternoon through Friday evening. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. Moderate flooding of sea water is possibly over some

At 314 PM EDT, a strong thunderstorm was near Braswell, or 9 miles northwest of Dallas. This storm was nearly stationary. HAZARD...Frequent cloud to ground lightning and heavy rain. SOURCE...Radar indicated. IMPACT...Lightning is one of nature's leading killers. If you can hear thunder, you are close enough to be struck by lightning. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include... Dallas, Rockmart, Hiram, Aragon, Braswell, Taylorsville, Yorkville,