Its six horns are each 3 feet (91 cm) long. The siren has an output of 138 dB(C) (30,000 watts), and can be heard as far as 25 miles (40 km) away. What does the US siren sound like? One of the common sounds you hear on the streets isRead More →

The tornado sirens are activated with a signal from the NWS that indicates a tornado has been spotted or is strongly indicated on a Doppler radar and/or strong, damaging winds of 70 mph or greater are present. The alert goes off in the specific cities or towns that will beRead More →

In some depictions, they had clawed feet, and in others, they had wings. But originally, they weren’t shown as being overly beautiful. It wasn’t their physical charms that lured sailors to their death. Unlike mermaids, who might lounge on a rock and encourage sailors to swim to them, only toRead More →