Weather Alerts for Sawtooth/Stanley BasinIssued by the National Weather Service |
 RED FLAG WARNING |
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| SAWTOOTH/STANLEY BASIN | ||
Areas Affected: Middle Snake River Valley/Twin Falls BLM north of the Snake River - Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River |
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| Effective: Wed, 7/9 3:00am | Updated: Wed, 7/9 6:49am | Urgency: Expected |
| Expires: Wed, 7/9 9:00pm | Severity: Severe | Certainty: Likely |
Details:
* AFFECTED AREA...Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...When these weather conditions combine with critically dry fuels, extreme fire behavior, including intensity and spread rate, can result. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. |
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| RED FLAG WARNING |
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| SAWTOOTH/STANLEY BASIN | ||
Areas Affected: Upper Snake River Valley/Idaho Falls BLM - Caribou Range/Caribou NF |
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| Effective: Wed, 7/9 3:00am | Updated: Wed, 7/9 6:49am | Urgency: Expected |
| Expires: Wed, 7/9 9:00pm | Severity: Severe | Certainty: Likely |
Details:
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 413 Caribou Range/Caribou NF. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...When these weather conditions combine with critically dry fuels, extreme fire behavior, including intensity and spread rate, can result. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. |
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