It is defined by a powerful high pressure area with an area of low pressure "underneath" or south of the high pressure.

The delays continued at Newark Liberty International Airport on Monday evening with average backups of more than 1 1/2 hours.

It’s not unusual to see 90° across the southern United States within the first two weeks of May; however, it is odd to see it in North Dakota.

Millions of people in the Midwest and Ohio Valley are likely to see increasing chances of severe weather this week after ...

Millions of people in the Midwest and Ohio Valley are likely to see increasing chances of severe weather this week after ...

Today will be sunny with cooler temperatures. Afternoon highs will be mostly in the 60s to low 70s, with shoreline ...

Dr. Alan Black from SIUE explains how blocking patterns in weather can lead to multiple days of rain or extended dry spells.

Atmospheric rivers are more typical in the West, but this one may bring flooding rainfall and severe storms to the Southeast, ...

It’s among the top 10 wettest starts to May for Lansing (2nd), Big Rapids (6th), and Battle Creek (8th). Grand Rapids ...

Meteorologist Sven Sundgaard analyses the blocking pattern and a surge of warmth — perhaps near 90 degrees on Mother's Day — ...

The weather pattern that soaked parts of Texas and Louisiana earlier this week will shift to the east before stalling, ...

A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the ...