Our new look Eye on Calderdale website has a simplified flood warnings and alerts system, making it even easier for you to get accurate, real-time information about flooding in your area. Watch our how to guide on using the Flood Warning Service here.
You can sign up to receive free email weather alerts from the MET Office that will tell you when heavy rain is on its way and could cause flooding.
Weather radars send out electromagnetic pulses to measure the location and intensity of precipitation - including rain, hail and snow, in real time. Check the rainfall radar here.