DAYTON, Ohio (WDTN) — The Miami Valley has seen a stalled low pressure over the area for several days, leading to on-and-off showers. It’s all thanks to something known as an Omega Blocking Pattern.

A blocking pattern will make for slow-moving weather. From a flood threat to upside down temperatures: here’s what we’re watching.

The cloudy, rainy and cooler pattern Derby weekend can be explained in two words... omega block! Blocking patterns occurs when centers of high pressure and/or low pressure set up over a region in such ...

Michigan is forecast to see a string of warm and dry days to start June, thanks to a weather pattern known as the omega block ...

A weather pattern named for the Greek letter omega is guiding US weather, forecasters said. The pattern is expected to ...

The last week of May will feel more summer-like as temperatures climb into the mid and upper 80s Tuesday and Wednesday, and then in the upper 70s/80s for the rest of the week. The warmup, the ...

A slow-moving upper air formation called an Omega Block is still impacting Michigan’s forecast today. While temperatures on Thursday will be a bit cooler than earlier this week, sunny skies and dry ...

Temperatures are set to rise as a wavy pattern develops over Canada for the final days of May ...

The upper-air pattern right now is not allowing any rain-producing weather systems into Michigan. The block is going to be ...

Summer is synonymous with high pressure and heat domes, but do you know the three common types of blocking patterns that produce these heat waves in the Ozarks? Blocking patterns disrupt the normal ...

SIOUX FALLS, S.D. (KELO) — It has been a quiet day in KELOLAND with temperatures continuing to stay warm. Meteorologist Jaelyn Borresen has more details on the pattern bringing us this type of weather ...