A winter storm that has already wreaked havoc across the United States with snow and ice is set to make its final push Friday through the Northeast.
Author: Ryan W. Miller and Doyle Rice, USA TODAY
Fred spawns tornadoes, brings drenching rain to US Southeast; Grace may become next hurricane as it targets Mexico
A weakening Tropical Depression Fred was trekking inland Tuesday, as Tropical Storm Grace continued to drench Haiti.
New York City subway stations flooded in waist-high water ahead of Tropical Storm Elsa
Heavy thunderstorms submerged subway stations in New York City ahead of Tropical Storm Elsa, which is now headed out to sea.
Another winter storm slams Northeast, Mid-Atlantic; 1M without power, including over 400,000 in Texas
Another major storm brought snow and ice across the Northeast on Thursday as warnings extended as far south as weather-weary Texas.
Carbon dioxide levels hit landmark at 415 ppm, highest in human history
Data from theMauna Loa Observatory in Hawaii showed that carbon dioxide levels reached 415 parts per million on Friday.