Weather Alerts for Lower Hells Canyon/Salmon River RegionIssued by the National Weather Service |
 AIR STAGNATION ADVISORY |
||
| LOWER HELLS CANYON/SALMON RIVER REGION | ||
Areas Affected: Northern Clearwater Mountains - Southern Clearwater Mountains - Orofino/Grangeville Region |
||
| Effective: Thu, 1/15 11:57am | Updated: Sat, 1/17 6:39pm | Urgency: Expected |
| Expires: Tue, 1/20 5:00pm | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality, particularly in lower elevations and valleys. * WHERE...Orofino/Grangeville Region, Southern Clearwater Mountains, and Northern Clearwater Mountains. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. Information: Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. According to state air quality agencies, prolonged period of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. |
||
