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Primary air pollutant in the Shelbyville area:
PM2.5 - 38 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 7 Good
OZONE - 19 Good
Fine Particulate: Mostly clear skies this morning with light north winds and temperatures in the upper-20's. Quiet weather is expected today as a surface high pressure moves eastward toward the Atlantic coast. A winter storm develops in the southern Rockies today and spreads eastward. Split upper level flow across the western continental US with a strongly zonal/baroclinic flow pattern across the east will support multiple disturbances moving through the region as mid- and upper-level impulses eject to the east within the subtropical stream. Clouds will thicken this afternoon and evening with up to 2 inches of snow developing Tuesday morning changing to rain with a nice southward flow warming up the lower atmosphere will limit frozen precip tomorrow afternoon. Some vorticity over Kentucky and the Ohio River during the day Tuesday. Then another impulse coming out of the panhandle region approaches bringing a chance of freezing rain Tuesday night / Wednesday morning. High pressure moves southward through the plains behind the departing low on Thursday with that high later settling over the Ohio River valley Friday. Remainder of the week settles down cloudy and cold for Thursday while sunny and warming up to the low-40's Friday. Moderates predicted by the NOAA and Canadian models for Tuesday and Wednesday with inversions in the atmosphere. Moderates are indicated for both days. Thursday will have a nice cold frontal passage with higher mixing height and Good air quality. Friday will be the most pleasant day but winds will be lower with a strong high pressure overhead. Mixing height will be lessened somewhat which could bring particulates to the high end of the Good range.
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Good
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Good
Primary Pollutant: PM2.5 - 0 Good
Secondary Pollutant: OZONE - 0 Good
Primary Pollutant: PM2.5 - 0 Good
Secondary Pollutant: OZONE - 0 Good
Primary Pollutant: OZONE - 0 Good