WHAT
Bitter cold wind chills as low as 10 below expected.

WHERE
Portions of DC, central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.

WHEN
For the first Cold Weather Advisory, until 11 AM EST this morning. For the second Cold Weather Advisory, from 10 PM this evening to 1 PM EST Sunday.

IMPACTS
The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

WHAT
Bitter cold wind chills as low as 10 below expected.

WHERE
Portions of DC, central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.

WHEN
For the first Cold Weather Advisory, until 11 AM EST this morning. For the second Cold Weather Advisory, from 10 PM this evening to 1 PM EST Sunday.

IMPACTS
The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.