Thunderstorm Forecast for Sunday, April 5, 2020:

Canada: Thunderstorms are not forecasted for any areas in Canada on Sunday.

United States of America:  Isolated-severe thunderstorms are expected in an area that stretches from southern Kansas and eastern Colorado to southwest Montana, and western South Dakota. With the most unstable CAPE (MUCAPE) values reaching as high as 1500 j/kg, and moderate levels of wind shear, these storms will be in an area with enough instability to create supercells, and 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 stay as isolated-severe as on Sunday due to the relatively moderate levels of CIN. This is becasue these 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 CIN will be on Sunday.   

Non-severe thunderstorms are also expected Sunday throughout parts of U.S.

Get Inside

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


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

When Outside

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

Don't Forget

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

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


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