On Thursday at 4:40 a.m. the National Weather Service issued an updated snow squall warning in effect until 5:45 a.m. for Bergen and Passaic counties.
“At 4:40 a.m., a snow squall was located over Warwick, moving east at 25 mph,” describes the weather service. “Travel will become difficult and potentially dangerous within minutes.”
The weather service adds, “Slow Down! Rapid changes in visibility and road conditions are expected with this snow squall. Be alert for sudden whiteout conditions.”
Hazards include intense bursts of heavy snow. Gusty winds leading to blowing snow and rapidly falling visibility. Wind gusts up to 35 mph.
Snow squalls: Risks, differences, and safety seasures
What are snow squalls?
Snow squalls are brief but intense winter weather events often linked to strong cold fronts. They can cause sudden white-out conditions and icy roads within minutes, even if there’s no major winter storm happening. While they usually last less than an hour and might only result in minor snow accumulation, they pose significant risks to drivers due to reduced visibility, gusty winds, and rapidly falling temperatures. These conditions have historically led to deadly traffic accidents.
Understanding snow squalls vs. snowstorms
The difference between a snow squall and a snowstorm is the duration of the event. Snow squalls are usually very short-lived (on the order of 30-60 minutes) and extremely intense. A snowstorm could last for several hours or even days.
Snow squall warnings
Snow squall warnings are short-fused and focused on distinct areas (like tornado and severe thunderstorm warnings). These warnings provide critical, highly localized life-saving information. If a snow squall warning is issued for your area, avoid or delay motor travel until the squall passes through your location.
Actions to take
In response to a snow squall warning, individuals should follow the guidelines provided by the weather service, which encompass the following key actions:
Avoid or delay travel: If a snow Squall warning is issued for your area, avoid or delay motor travel until the squall passes through your location. There truly is no safe place on the highway during a snow squall.
Reduce speed and increase visibility: If you find yourself already on the road during a snow squall, prioritize safety by reducing your speed. Turn on both your headlights and hazard lights to enhance visibility for yourself and other drivers.
Maintain safe distance: Ensure there is ample distance between your vehicle and the one ahead of you. This precaution is essential to account for reduced visibility and the potential unpredictability of road conditions during a squall.
Avoid abrupt braking: In slippery and icy conditions, sudden braking can lead to loss of vehicle control. It’s safer to slow down gradually to minimize the risk of skidding or causing a chain reaction crash.
Winter weather safety tips: For tips on how to stay safe before, during, and after winter weather, visit the weather service Winter Weather Safety page.
Prepare your vehicle: Prior to hitting the road this winter, ensure your vehicle is winter-ready by inspecting tires, brakes, and lights, and confirming all fluids are at appropriate levels. A properly maintained vehicle is more capable of navigating the demands of winter roads.
Emergency kit essentials: Always have a well-prepared emergency kit in your vehicle containing crucial supplies like blankets, non-perishable food, water, a flashlight, and a first-aid kit. Additionally, include jumper cables, flares or a reflective triangle, an ice scraper, a car cell phone charger, a map, and cat litter or sand for improved tire traction. These items can be invaluable should you encounter an unexpected breakdown or emergency while on the road.
In conclusion, when faced with a snow squall warning, prioritizing personal safety and adhering to the weather service recommendations can significantly mitigate risks. By understanding, preparing, and staying vigilant, individuals can navigate these winter hazards with greater confidence and security.

