FORECAST SUMMARY: Monday, September 19th, 2022, through Friday, September 23rd, 2022
OZONE: 8-hour average Ozone concentrations are expected to be mostly Good with scattered Moderates through Wednesday. Good levels are anticipated the rest of the period.
PM-2.5: 24-hour average Fine Particulate will range from Good to Moderate until mid-week with Good levels through Friday.
FORECAST DISCUSSION:
High pressure dominates weather conditions Monday producing mostly sunny skies and comfortable temperatures. This trend continues into Tuesday, but temperatures will be a bit higher than Monday as northerly winds from Monday change to a southerly direction. Late Tuesday, early Wednesday precipitation comes into the forecast as a weather system approaches and the associated front passes through. Conditions dry out for the latter half of the week; however cool air settles in. Highs Thursday and Friday will range from the upper 50s to low 60s.
As for air quality, Good ozone and fine particulate on Monday may increase to a mix of Good and low Moderate on Tuesday. A few Moderate levels of ozone and/or fine particulate may linger into Wednesday, however, the frontal boundary Wednesday brings a clean airmass in its wake. Good pollution levels are anticipated for the end of the week.
EXTENDED FORECAST:
Extended models show generally dry and cooler conditions as we progress into the weekend. Pollution levels should remain Good through the period.
Forecast updated by: Stephanie M. Hengesbach, Monday, September 19, 2022
Next forecast update: Friday, September 23rd, 2022