Thunderstorm Forecast for Sunday, May 24, 2020:

Canada:  Non-severe thunderstorms are forecasted for multiple areas in Manitoba, Ontario, and Quebec on Sunday. Small hail, wind gusts up to 90 km/h, and isolated flooding may occur with these storms. 

United States of America:  Isolated-severe thunderstorms are expected in multiple areas of the Great Plains, SE states and Midwest on Sunday. With the most unstable CAPE (MUCAPE) values reaching as high as 5000 j/kg and pockets of moderate wind shear, these storms will be in an area with enough instability to create supercells, and potentially even an isolated Tornado. Large hail, isolated heavy downpours, and damaging wind gusts are likely with these discrete and/or semi-discrete thunderstorms.

                                                      

These storms likely will remain as isolated-severe Sunday due to pockets of low - moderate levels of CIN. This is because these pockets of low - moderate levels of CIN, could potentially slow the speed of the MUCAPE, and instability altogether, which would reduce the possibility of experiencing prolonged severe storms, if any at all depending on the how limiting the low - moderate levels of CIN will be on Sunday.

Non-severe thunderstorms are also expected Sunday throughout multiple areas of the U.S. Small hail, wind gusts up to 90 km/h, and isolated flooding may occur with these storms. 

 

The thunderstorm forecast is issued daily from April 1 to September 30.

Get Inside

Move to a sturdy building or car. Remember when thunder roars go indoors! Get out of the weather.

When Outside

Do Not take shelter under isolated trees. Get out of boats and away from water. 

Remember

Unplug appliances. Avoid using the telephone or any electrical appliances. Do not take a bath or shower.

Don't Forget

Lightning can strike any location more than once. In fact, given enough time, it is actually inevitable.

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