From Chicago Sun-Times · · 1m 30s
Milder Chicago Winter Expected
Strong El Niño may bring warmer temperatures to Chicago this winter.
In brief
Strong El Niño may bring warmer temperatures to Chicago this winter. A historically strong El Niño could make Chicago's winter milder with 50-60% chance of above-normal temperatures. Originally reported by Chicago Sun-Times.
El Niño Winter Outlook
The National Weather Service predicts a milder winter for Chicago this year due to a strong El Niño.
Historically Strong Event
This El Niño could rival the 1982-83 event that raised winter temperatures by 5 to 7 degrees and reduced snowfall by 25% to 50%.
El Niño Characteristics
An El Niño occurs when abnormally warm Pacific water temperatures cause global weather changes, including warmer northern North America temperatures.
Frequency and Duration
El Niños typically occur every two to seven years, with the last one running into 2024 and this one potentially extending into March 2027.
Temperature Expectations
Chicago has a 50% to 60% chance of above-normal winter temperatures, though cold snaps and snowstorms are still expected.
Jet Stream Impact
The stronger jet stream will limit polar air, reducing the likelihood of severe cold events from polar vortexes.
Historical Comparison
This El Niño may be the strongest since 1950, matching the impact of the 1982-83 event on Chicago's winter.
Meteorologist's View
Kevin Doom, a National Weather Service meteorologist, says this El Niño will likely bring warmer temperatures but not eliminate cold snaps.
Weather Service Confidence
The National Weather Service states this El Niño is the strongest in recent memory, with high confidence in warmer winter temperatures for Chicago.
The short version
A historically strong El Niño could make Chicago's winter milder with 50-60% chance of above-normal temperatures.
