Frigid Cold in the East; Snow Continues in the Great Lakes

A frigid cold airmass will continue to bring colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected to be tied or broken across the Southeast and Florida. Periods snow will continue downwind of the Great Lakes and in portions of interior New England through Tuesday afternoon, with several inches of snowfall accumulation expected. 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

Frigid Cold in the East; Snow Continues in the Great Lakes

Smoke Dispersal (Ventilation Rate)

Fire Weather Dashboard