Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. 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)

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Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

Smoke Dispersal (Ventilation Rate)

Fire Weather Dashboard