
Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >
Western and Central Wyoming
Weather Forecast Office
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.
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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Western and Central Wyoming
12744 West U.S. Hwy 26
Riverton, WY 82501
307-857-3898
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