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A cold weather advisory (formerly known as a wind chill advisory until October 2024) [1] is a hazardous weather statement issued by Weather Forecast Offices (WFO) of the National Weather Service (NWS) in the United States to alert the public that temperatures or wind chills are forecast to reach values low enough that it poses a threat to human health and life if adequate protection is not ...
A wind chill warning was a hazardous weather statement previously issued by both local forecast offices of the National Weather Service (NWS) in the United States and by the Meteorological Service of Environment and Climate Change Canada (ECCC) when wind chills were forecast to reach values low enough for residents and travelers to be susceptible to life-threatening medical conditions (such as ...
In the older system a wind chill warning for Southern Ontario and Atlantic Canada was issued when the wind chill dropped to -35. Thus a temperature of −37 °C (−35 °F) with no winds would not require a warning be issued. Under the new system the extreme cold warning is issued based on either the temperature or the wind chill being a ...
The National Weather Service will now only issue cold weather advisories and extreme cold watches and warnings in an effort to clear up public confusion.
The simple interpretation of the wind chill is how cold the air feels when the wind is factored in. This is the winter counterpart to the "heat index" when it comes to "feels-like" temperatures.
What's the difference between weather warnings and watches? What is an advisory? Here are weather safety terms you need to know.
The extreme cold watch is a 'step' below the "extreme cold warning." [1] As of 1 October 2024, the NWS replaced the "wind chill watch" with the "extreme cold watch." The NWS officially implemented changes to its wind chill and hard freeze warnings, watches, and advisories (WWAs) as part of its "Hazard Simplification initiative."
Jan. 13—Dangerously cold wind chills have settled over the area through early next week as the light snow comes to an end. The National Weather Service has issued a wind chill warning from 9 p.m ...