Cold Weather Advisory issued January 21 at 2:33AM EST until January 23 at 10:00AM EST by NWS Baltimore MD/Washington DC

* WHAT…Very cold wind chills between 0 degrees to 10 degrees
below zero expected.

* WHERE…Portions of central, northeast and northern Maryland,
The District of Columbia and central, northern and northwest
Virginia.

* WHEN…Until 10 AM EST Thursday.

* 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. Very cold temperatures can lead to
hypothermia with prolonged exposure.

* ADDITIONAL DETAILS…The coldest conditions are expected Tuesday
night, with widespread wind chills of 5 to 10 degrees below
zero. Other nights, wind chills will be between 0 degrees to 5
degrees below zero. During the daytime, wind chills are expected
to only reach the low teens.