Help The Tropical Cyclone Pam Disaster Relief Effort
Note: Select a region before finding a country.
Areas of fog
Mostly cloudy with a t-storm
Clouds giving way to some sun
Mostly cloudy and breezy
Cloudy, a shower; cooler
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.