According to the National Weather Service (NWS), the Energy Helicity Index (EHI) is a number which represents the combination of instability and storm relative helicity. The calculation uses ...

In order for a supercell to turn into a tornado ... But they found that the radar and weather balloons couldn’t tell whether a storm would be a tornado or not. Now, scientists are using new ...

Radar imagery shows the tornado tracking ... “Tornadoes are almost always going to just go wherever the supercell ...

A wild supercell storm that pummelled Brisbane city with giant hail and damaging winds, and spawned a mini-tornado on the ...

“Engineer at the Movies” takes on “Supercell,” a storm-chasing family endeavor ... measurements made by Doppler radar for detecting tornado rotation, infrasound measures the acoustic ...

A supercell storm has the potential to spawn several types of tornadoes ... Because of their smaller size and lower intensity, landspouts are rarely detected by radar and are usually short-lived. This ...