Moderate

* WHAT...Visibility between one-quarter and one mile in blowing dust. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. * ADDITIONAL DETAILS...A plume of dust coming off Summer Lake in Lake County is blowing northeast and is reducing visibility along US 20 in far southeast Deschutes County. Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Eastern Columbia River Gorge of Oregon and Washington. * WHEN...Until 11 PM PDT this evening. * 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.

* WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...In Oregon, Central Oregon and North Central Oregon. In Washington, Simcoe Highlands and Yakima Valley. * WHEN...Until 11 PM PDT this evening. * 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 730 PM CDT, Doppler radar was tracking a strong thunderstorm over Gaylesville, or near Cedar Bluff, moving northeast at 10 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... Gaylesville, Broomtown, and Fullerton. If outdoors, consider seeking shelter inside a building. This storm may intensify, so be certain to monitor local radio

At 633 PM MDT, Doppler radar was tracking a strong thunderstorm 22 miles south of Alder, or 22 miles southeast of Dillon, moving north across the Gravelly and Snowcrest Ranges at 35 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size hail along with frequent lightning. 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... Sheridan, Virginia City, Twin Bridges, Alder, and Laurin.

At 844 PM EDT, Doppler radar was tracking a strong thunderstorm near Argyle, moving north at 20 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... Homerville, Argyle, Cogdell, Manor, and Needham. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

At 700 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles south of Enterprise to near Taylor. Movement was northeast 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... Daleville, Headland, Dothan, Enterprise, Fort Rucker, Ozark, Taylor, Midland City, Kinsey, Level Plains, Newton, Pinckard, Clayhatchee,

At 802 PM EDT, Doppler radar was tracking a strong thunderstorm near Fargo, moving north 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... Fargo, Stephen Foster State Park, and Needmore. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

* WHAT...Dangerous rip currents. * WHERE...The beaches from Cape Hatteras to Surf City. * WHEN...From 8 AM EDT Tuesday through Tuesday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 10:00 AM Tuesday. Life-threatening rip currents. If caught in a rip current, remain calm. Swim in a direction following the shoreline. If tired,

At 606 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles south of Seeley Lake, or 27 miles northwest of Drummond, moving northeast at 35 mph. 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 damage to outdoor objects is possible. Locations impacted include... Seeley Lake, Woodworth and Clearwater. Monitor the weather situation closely and be alert for threatening