* WHAT...Very cold wind chills as low as 7 below expected.

* WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, central, northern, and southern New Jersey, and southeast Pennsylvania.

* WHEN...From 6 PM this evening to noon EST Wednesday.

* IMPACTS...The cold wind chills as low as 5 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.