Lightning map, credit www.lightningmaps.org. Observe the development line of the thunderstorm.
An extraordinary spring thunderstorm line stretches from the Pyrenees to Germany, is now approaching Switzerland, the first lightning strikes have already crossed the Alpine arc and were registered in Valtellina. First flash also in Trentino.
The cold front that will sweep across the northern regions next night is currently a harbinger of severe storms, hailstorms and very intense gusts of wind.
A thunderstorm line, also known as a near-linear convection system (QLCS), is a thunderstorm line that forms along a cold front or prefrontal low-pressure zone. These thunderstorms can span hundreds of miles and often bring damaging winds, hail, and heavy rain. Wind gusts are most common in the spring and summer months when the atmosphere is unstable and there is ample humidity and heat.
Squall Lines can even pose a serious hazard due to their ability to cause damage and inconvenience. The main hazards associated with storm gusts include:
For these reasons, it is important to heed weather forecasts and warnings from local authorities when approaching a thunderstorm line and take steps to protect yourself and your property.