Upweather brings you the freshest weather imagery available for North America, and lets you animate it at your own speed. Watch hurricanes roaring in off the ocean, or thunderstorms forming in the midwest. See how the shape of upper air features steers the weather we experience.

• Swipe backwards in time to see satellite photos, updated from orbit every half hour.

• Swipe forwards to see forecast images for a week into the future. Forecast shows upper air troughs and ridges along with clouds and predicted surface precipitation.

• Keep sliding back and forth over the time periods you are interested in: the animation gets better and better.

• Use a WiFi connection for best results.

• You can also use Upweather as a beautiful desk clock showing you the most recent satellite clouds for the area of your choice.