Moderate

* WHAT...Visibility of a quarter-mile or less in dense fog. * WHERE...Coastal Washington and Central Washington Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Motorists and pedestrians are urged to use caution early this morning as areas of dense fog have formed. Visibilities may change quickly over short distances. The fog should thin and lift between 8 and 9 am.

Patchy dense fog is expected through 8AM across portions of Downeast, Bangor Region northward in the Penobscot Valley to Southern Aroostook County. Fog is mixing out and lifting quickly in many locations but cannot rule out a few dense areas remaining resulting in rapidly changing visibilities. If traveling, remain alert for rapid changes in visibility and allow extra following distance. Watch for wildlife while traveling. Even as it becomes

At 457 AM CDT, Doppler radar was tracking a strong thunderstorm over Solgohachia, or 9 miles north of Morrilton, moving southeast at 30 mph. HAZARD...Winds in excess of 40 mph and half inch 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... Wooster... Menifee... Bethlehem... Lanty...

At 458 AM CDT, Doppler radar was tracking a strong thunderstorm near Jasper, moving southeast at 25 mph. HAZARD...Winds in excess of 40 mph and half inch 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... Bass... Wayton... Cowell... Sand Gap... Crossroad... Vendor...

At 533 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Dunn to 10 miles east of Godwin to 15 miles east of Fayetteville. Movement was east at 30 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... Fayetteville, Goldsboro, Fort Bragg, Dunn, Mount Olive, Walnut Creek,

At 419 AM CDT, Doppler radar was tracking a strong thunderstorm 8 miles southwest of Piercetown, or 9 miles south of Jasper, moving southeast at 30 mph. HAZARD...Winds in excess of 40 mph and half inch 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... Moore... Bertha... Ben Hur... Wayton...

The combination of hot temperatures and humidity levels will produce heat index values between 105 and 110 degrees for several hours this afternoon into this evening. A few locations may briefly experience heat index values at or above 111 degrees. If spending time outside, drink plenty of water, wear light weight and light colored clothing, and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.

* WHAT...High risk of rip currents. * WHERE...Erie and Lorain Counties. * WHEN...Through this afternoon. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...High risk of rip currents. * WHERE...In Ohio, Cuyahoga, Lake and Ashtabula Lakeshore Counties. In Pennsylvania, Northern Erie County. * WHEN...Through this evening. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.