What is a polar vortex split?
A polar vortex split occurs when the normally circular winds around the North Pole fracture into two separate lobes of Arctic air.
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News / Weather
Arctic Air Returns to East and Midwest After Record Warmth
After experiencing record-challenging warmth, the East and Midwest are bracing for a return to wintry conditions. Arctic air is expected to sweep through the regions, bringing significant temperature drops, potential ice and snow, and a dis...
Key Insights
- **Record Warmth Precedes Cold Surge:** The eastern half of the U.S. experienced unusually high temperatures for early March, with some areas feeling more like April or May.
- **Polar Vortex Split:** A split in the polar vortex is driving the cold air southward, impacting the Northeast particularly.
- **Significant Temperature Swings:** Some areas may see temperature drops of 20-30 degrees as the cold front moves through.
- **Potential for Ice and Snow:** While the main ice and snow event is expected in Canada, some ice buildup may occur in the northern tier of the Northeast, and there's a possibility of snow in New Jersey, especially in higher elevations.
- **Impact on New Jersey:** NJ temperatures are forecast to run 15 to 25 degrees below normal by mid-March amid the polar vortex split, with nighttime lows in higher elevations in North Jersey dipping into the 20s or teens at night.
In-Depth Analysis
The approaching cold surge is attributed to a displacement or weakening of the polar vortex, allowing Arctic air to spill into the Midwest and Northeast. Meteorologists predict an active storm track with snow and ice along the U.S./Canada border. The strength of the March sun may limit snow accumulation on roads during the day, but nighttime and morning commutes could become slippery. New Jersey will experience below-normal temperatures, with potential for snow, sleet, or freezing rain depending on various factors. A second push in the stratosphere could bring another round of cold air in late March or early April.
**How to Prepare:**
- **Stay Informed:** Monitor weather forecasts for updates on temperature drops and potential ice or snow.
- **Protect Pipes:** Take steps to protect pipes from freezing in anticipation of colder temperatures.
- **Adjust Travel Plans:** Be prepared for potentially slippery road conditions, especially during morning commutes.
**Who This Affects Most:**
- Residents of the Northeast and Midwest, particularly those in areas prone to ice and snow.
- Individuals with outdoor activities planned.
- Those sensitive to temperature fluctuations.
FAQ
What is 'false spring'?
False spring is a period of unseasonably warm weather that can trick us into thinking winter is over and cause plants to bloom prematurely.
Will there be snow in NJ?
It's possible, especially in higher elevations. Freezing rain is also a possibility later in the week.
Takeaways
- The key takeaway is to prepare for a return to winter-like conditions after a period of unusual warmth. The polar vortex split is expected to bring colder temperatures, potential ice and snow, and significant temperature swings. Stay informed about the weather forecast and take necessary precautions to protect yourself and your property.
Discussion
Do you think this cold surge will last? How are you preparing for the change in weather? Share this article with others who need to stay ahead of this trend!
Sources
Disclaimer
This article was compiled by Yanuki using publicly available data and trending information. The content may summarize or reference third-party sources that have not been independently verified. While we aim to provide timely and accurate insights, the information presented may be incomplete or outdated.
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