Weather Alerts for Lost River RangeIssued by the National Weather Service |
 FIRE WEATHER WATCH |
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| LOST RIVER RANGE | ||
Areas Affected: Upper Snake River Valley/Idaho Falls BLM - Sawtooth Range/Northern Sawtooth NF - Middle Snake River Valley/Twin Falls BLM north of the Snake River - East Salmon River Mountains/Salmon NF - Lemhi and Lost River Range/Challis NF |
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| Effective: Thu, 7/30 12:11pm | Updated: Thu, 7/30 2:45pm | Urgency: Future |
| Expires: Fri, 7/31 6:00am | Severity: Severe | Certainty: Possible |
Details:
...GUSTY WINDS AND LOW HUMIDITY EXPECTED THIS WEEKEND... .A building ridge to the south combined with a trough moving across western Canada will tighten the pressure gradient over the area through the weekend creating breezy to windy conditions for the weekend. This combined with warming temperatures and low humidity will lead to high fire danger across much of eastern Idaho. The National Weather Service in Pocatello has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Saturday afternoon through Sunday evening. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM, Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF, Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * WINDS...West 15 to 25 mph with gusts up to 40 mph during the afternoon and evening hours. * RELATIVE HUMIDITY...5 to 12 percent during the afternoon and early evenings. * IMPACTS...Moderate wind and very low humidity can lead to rapid spread of fire and more intense fire in receptive fuels. Information: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. |
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 AIR QUALITY ALERT |
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| LOST RIVER RANGE | ||
Areas Affected: Butte, ID - Custer, ID |
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| Effective: Thu, 7/30 8:03am | Updated: Thu, 7/30 2:45pm | Urgency: Unknown |
| Expires: Fri, 7/31 3:00pm | Severity: Unknown | Certainty: Unknown |
Details:
AQAPIH * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Butte and Custer Counties. * WHEN...Until Friday afternoon, July 31. * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected. Information: Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP. FOR MORE INFORMATION, CONTACT DEQ's Idaho Falls Regional Office at (208)528-2650. |
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