Heavy Snow Across the Northern Plains and Great Lakes; Strong Winds for the East

Travel conditions will be challenging across the northern Plains, Great Lakes and east coast through Thanksgiving holiday weekend. Heavy snow, blizzard conditions, for the upper Midwest and Great Lakes region through Thanksgiving to be followed by another strong storm for the Plains, Great Lakes and Northeast this weekend. Strong winds are expected with these systems adding to travel difficulties Read More >

Smoke dispersal is categorized by using the Ventilation Rate. Ventilation Rate forecasts for a specific point can be found using the Fire Weather Dashboard. Click a spot on the map and scroll down to find daily and hourly Ventilation Rate values for the next few days.

Fire Weather Dashboard

The link above is configured to display smoke dispersal categories as shown here:

	Smoke Dispersal	Vent. Rate, knot-feet (x1000)
	Excellent	150 or greater
	Very Good	100 to 149.99
	Good	60 to 99.99
	Fair	40 to 59.99
	Poor	less than 40

Ventilation Rate = Transport Wind (kts) x Mixing Height (ft)

RIW RSS Feed

Heavy Snow Across the Northern Plains and Great Lakes; Strong Winds for the East

Smoke Dispersal (Ventilation Rate)

Fire Weather Dashboard