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 ...

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 ...

MOLINE, Ill. — Editor's Note: The video above is an archived forecast that includes an explanation of the Rex Blocking pattern. We will be experiencing a dry and warm stretch of weather in the Quad ...

PORTSMOUTH, Va. (WAVY) — While our weather locally this week will feature drier days and summer sunshine, the flooding rains in the northeast and Tennessee over the weekend can be connected to our ...

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 ...

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.

An “omega block” weather pattern is forecast to set up across the country this weekend, possibly bringing some May snow. Here's what it will mean for you. The Weather Channel is forecasting a ...

TULSA, Okla. — While we live well below the jet stream, it affects our everyday weather. This current of winds between 4 and 8 miles above the surface, guides storm systems around the globe. On ...