Cold Weather Advisory issued January 20 at 1:48AM EST until January 21 at 10:00AM EST by NWS Baltimore MD/Washington DC

* WHAT…Very cold wind chills as low as 5 degrees below zero
expected.

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

* WHEN…From 7 PM this evening to 10 AM EST Tuesday.

* IMPACTS…Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure.

* ADDITIONAL DETAILS…To prevent water pipes from freezing, wrap or
drain or allow them to drip slowly.