10/22/2021 Forecast Update
FORECAST SUMMARY:
Friday, October 22nd, 2021, through Monday, October 25th, 2021
OZONE: 8-hour average Ozone concentrations will be Good through the forecast period.
PM-2.5: 24-hour average Fine Particulate readings will also remain Good.
FORECAST DISCUSSION:
Cool northerly winds may trigger scatted lake enhanced showers Friday; however, most locations will experience a pleasant fall day. The next weather system moves from the Plain states Saturday, tracking across northern Indiana and Ohio early next week. Steadier precipitation comes in the forecast late Sunday into Monday as the system moves through.
Good air quality levels Friday can be attributed to cool temperatures and a northerly wind. Calm to light winds early Saturday may allow for some hourly Moderate fine particulate readings, but daily averages are expected to be Good. Lighter winds are also expected early Sunday that could bring hourlies into the Moderate range; however, winds change to an easterly direction as the storm system moves closer to the region. Easterly winds should allow for Good daily averages of fine particulate
Cooler temperatures, less daytime heating, and precipitation chances early next week will keep ozone Good through the forecast period.
EXTENDED FORECAST:
Extended models show northeasterly winds Monday as the system moves further east and then a break in precipitation Tuesday. The anticipated weather conditions will keep pollution levels Good into early next week.