Weather Alerts for Upper Treasure ValleyIssued by the National Weather Service |
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| UPPER TREASURE VALLEY | ||
Areas Affected: Northern Boise BLM - Treasure Valley BLM - Owyhee Mountains - Western Twin Falls BLM - Southern Highlands - Burns BLM - Steens Mountain - Southern Grasslands - Central Canyonlands - Northwestern Vale BLM |
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| Effective: Thu, 6/25 12:53pm | Updated: Fri, 6/26 12:05pm | Urgency: Expected |
| Expires: Fri, 6/26 3:15pm | Severity: Severe | Certainty: Likely |
Details:
...SCATTERED THUNDERSTORMS FRIDAY AFTERNOON INTO SATURDAY... .A strong low pressure system will begin to move into the area later today, bringing a cold front through the area early Friday morning. Widespread showers will follow behind the front throughout the day Friday into Saturday, however clearing behind the front late Friday morning will enable scattered thunderstorm development. Thunderstorms may produce erratic outflow gusts up to 50 mph. The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon MDT /11 AM PDT/ Friday to 6 AM MDT /5 AM PDT/ Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern Boise BLM, 420 Treasure Valley BLM, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. In Oregon, Fire Weather Zones 670 Burns BLM, 671 Steens Mountain, 672 Southern Grasslands, 673 Central Canyonlands and 674 Northwestern Vale BLM. * TIMING...From noon MDT /11 AM PDT/ Friday to 6 AM MDT /5 AM PDT/ Saturday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 50 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Information: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. |
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| UPPER TREASURE VALLEY | ||
Areas Affected: Sawtooth Range/Northern Sawtooth NF |
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| Effective: Fri, 6/26 11:27am | Updated: Fri, 6/26 12:05pm | Urgency: Expected |
| Expires: Sat, 6/27 12:00am | Severity: Severe | Certainty: Likely |
Details:
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONE 422... * AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF. Coverage will be highest from near Galena Summit northward. * IMPACTS...Critical fire weather conditions are expected. Lightning may generate new fire starts. Any new fire starts or existing fires may spread rapidly. * THUNDERSTORMS...A mix of wet and dry thunderstorms with 20 to 35 percent coverage. * OUTFLOW WINDS...Gusts over 35 mph possible. 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. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. |
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