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Monday March 31 2025 Discussion
Maps of the airshed ratings available here:
Charts for the individual airsheds here: This includes the airshed table.
Monday a weak disturbance passes over the region with parts of western ID seeing a warm front arrive late in the day which will keep inversions stronger. FAIR to GOOD dispersion except western portions of ID POOR dispersion with less mixing.
Tuesday stronger system develops over eastern WY which brings stronger winds across MT and eastern ID. Cool with weaker winds over western ID but still unstable enough for mostly FAIR dispersion. Remainder of ID and all of MT GOOD to VERY GOOD dispersion.
Dan Borsum NRCC Meteorologist
