Stationary front
Warm Front
Stormy
Stormy
Stormy weather with rain, snow, or hail. Possibly tornadoes. Certainly a drop in temperature.
"A warm front brings light to moderate continuous rain and fog" this is from What weather does a warm front bring? What weather does a cold front bring? - Yahoo! Answers
cold
Strong storms and severe weather like a Cold Front. It also brings about Cumulonimbus clouds.
They form from behind the moving cold front because the warm air condenses quickly producing clouds, rain, and stormy weather.
Stormy Weather
warm
Warm Front
Warm Front
Thunderstorms and tornadoes most often form along cold fronts but they can form along dry lines and, on rare occasions, warm fronts. Some may form in the absence of any front.
Stormy
Stormy
A stationary front will bring several days of cloudy, wet weather.
Thunderstorms clouds heavy rain snow