* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Oregon, Eastern Columbia River Gorge of Oregon. In…
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley, Lower Columbia River and Cowlitz River…
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Douglas County, Josephine County, and Jackson County. *…
* WHAT...Visibility 1/2 mile or less in dense fog. * WHERE...Portions of northwest North Carolina and southwest Virginia. * WHEN...Until…
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of Piedmont and western North Carolina. * WHEN...Until…
* WHAT...For the Air Stagnation Advisory, an extended period of stagnant air, with light winds and little vertical mixing. This…
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of DC, central, north central, northeast, northern, and…
* WHAT...Visibility less than one mile in dense fog. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In…
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Maryland, Dorchester, Inland Worcester, Maryland Beaches, Somerset, and…
* WHAT...For the Dense Fog Advisory, visibility less than one mile in dense fog. For the Freeze Watch, sub-freezing temperatures…
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