FORECAST SUMMARY: Friday, September 23rd, 2022, through Monday, September 26th, 2022
OZONE: 8-hour average Ozone concentrations will be Good through the forecast period.
PM-2.5: 24-hour average Fine Particulate will also range mostly Good.
FORECAST DISCUSSION:
High pressure holds on one more day, Friday, with sunny skies but cool temperatures. The cool temperature trend continues into the weekend; however, on and off precipitation comes in the forecast thanks to a frontal boundary Saturday then an upper-level low dominating through early next week.
As for air quality, cool temperatures hamper any ozone development with readings averaging Good. Southerly winds develop for a time later Friday, early Saturday which could allow for low-Moderate fine particulate, generally in the southeast. After the boundary passes an upper-level low lingers over the region. Northerly winds and on and off precipitation will keep fine particulate in the Good range.
EXTENDED FORECAST:
Extended models show cooler conditions and on and off showers until mid-week. With the expected forecast, air quality levels will remain Good through the period.
Forecast updated by: Stephanie M. Hengesbach, Friday, September 23, 2022
Next forecast update: Monday, September 26, 2022