* WHAT. Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN. From 4 AM to 6 PM EST Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN. From 4 AM to 6 PM EST Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN. From 4 AM to 6 PM EST Sunday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northwest winds 10 to 20 kt with gusts up to 25 kt. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN. Until 6 PM EST this evening. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heavy mixed precipitation possible. Total snow accumulations between 4 and 6 inches, with locally higher amounts possible. Ice accumulations up to one tenth of an inch possible. * WHERE. Portions of central, northern, and northwest Virginia. * WHEN. From Tuesday morning through Wednesday morning. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS. Precipitation begins as light snow Tuesday morning. A steady snow follows Tuesday afternoon into Tuesday evening, and the snow could be heavy at times. Some freezing rain begins to mix with the snow Tuesday night. Additional wintry precipitation could continue into Wednesday morning.

* WHAT. Heavy snow possible. Total snow accumulations between 4 and 6 inches, with locally higher amounts possible. * WHERE. Portions of DC, central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN. From Tuesday afternoon through Wednesday morning. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS. Precipitation begins as light snow Tuesday afternoon. A steady snow follows Tuesday evening into Tuesday night, and the snow could be heavy at times. Additional wintry precipitation could continue into Wednesday morning.

* WHAT. Heavy mixed precipitation possible. Total snow accumulations between 4 and 6 inches, with locally higher amounts possible. Ice accumulations around a light glaze possible. * WHERE. Portions of northwest Virginia and eastern and panhandle West Virginia. * WHEN. From Tuesday afternoon through Wednesday morning. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS. Precipitation begins as light snow Tuesday afternoon. A steady snow follows Tuesday evening into Tuesday night, and the snow could be heavy at times. Some freezing rain begins to mix with the snow late Tuesday night. Additional wintry precipitation could continue into Wednesday morning.

* WHAT. Northwest winds 10 to 15 kt with gusts up to 25 kt. * WHERE. Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN. Until 6 PM EST this evening. * IMPACTS. Conditions will be hazardous to small craft.