10K views · 179 reactions | Check out this stunning video of tonight's thundersnow in western New York, sent to us by a viewer. Did you hear or see it? | 13 WHAM ABC | Facebook

Snow squall warnings are in effect for London-Middlesex and where snow is occurring. Up to 50cm is likely in affected areas. The Storm Prediction Centre has forecast thunderstorms but is in relations to squall activity. No thunderstorms activity is expected: “A couple of lightning flashes remain possible over or immediately east of Lakes Ontario and Erie with lake effect snow bands. However, thunder coverage should be too sparse to warrant thunderstorm highlights this outlook.” | Ontario Storm F

Here’s an example of how lake effect snow squalls can produce lightning and thunder. Strong winds and blowing snow aloft will create a positive charge. This was taken in January of this year. | Ontario Storm Forecast Service