Tropical Storm Ian is expected to continue to strengthen over the central Caribbean today before turning towards the north later in the weekend. Ian is expected to strengthen into a hurricane before it enters the Gulf of Mexico early this upcoming week, then approach the Florida peninsula at or near major hurricane strength, with potential for significant impacts. 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.
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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