Weather Alerts for Lost River ValleysIssued by the National Weather Service |
Severe Thunderstorm Warning
 SEVERE THUNDERSTORM WARNING |
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| LOST RIVER VALLEYS | ||
Areas Affected: Bannock, ID - Bingham, ID - Blaine, ID - Bonneville, ID - Butte, ID - Caribou, ID - Power, ID |
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| Effective: Tue, 7/15 6:25pm | Updated: Tue, 7/15 6:55pm | Urgency: Immediate |
| Expires: Tue, 7/15 7:15pm | Severity: Severe | Certainty: Observed |
Details:
SVRPIH The National Weather Service in Pocatello has issued a * Severe Thunderstorm Warning for... Southeastern Blaine County in central Idaho... Northwestern Caribou County in southeastern Idaho... Northern Bannock County in southeastern Idaho... Southeastern Butte County in southeastern Idaho... Central Power County in southeastern Idaho... Central Bonneville County in southeastern Idaho... Bingham County in southeastern Idaho... * Until 715 PM MDT. * At 625 PM MDT, severe thunderstorms were located along a line extending from 8 miles west of Aberdeen to Fort Hall Mount Putnam, moving northeast at 35 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Pocatello, Blackfoot, American Falls, McCammon, American Falls Reservoir, Neeley, Chesterfield Reservoir, Goshen, Chubbuck, Aberdeen, Inkom, Firth, Rose, Fort Hall Bannock Creek Lodge, Pingree, Pocatello Airport, Fort Hall Putnam Lodge, Fort Hall Buffalo Lodge, Fort Hall Eagle Lodge, and Fort Hall Lincoln Creek Lodge. Information: For your protection move to an interior room on the lowest floor of a building. |
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 RED FLAG WARNING |
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| LOST RIVER VALLEYS | ||
Areas Affected: Upper Snake River Valley/Idaho Falls BLM - Centennial Mountains and Snake River Range/Targhee NF - Caribou Range/Caribou NF - Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River |
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| Effective: Tue, 7/15 1:06pm | Updated: Tue, 7/15 6:55pm | Urgency: Expected |
| Expires: Tue, 7/15 9:00pm | Severity: Severe | Certainty: Likely |
Details:
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM, Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF, Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * TIMING...Scattered thunderstorms are expected to develop during the afternoon and evening hours, supporting the potential for gusty outflow winds and frequent lightning. * WINDS...A dry low level environment will promote the potential for storms to produce gusty outflow wind gusts in excess of 40- 50 mph, locally higher up to around 60 mph. * RELATIVE HUMIDITY...As low as 15 to 25 percent. * THUNDERSTORMS...25 to 45 percent coverage expected. * IMPACTS...Critical fire weather conditions are expected today. Lightning may generate new fire starts. Any new fire starts or existing fires may spread rapidly. 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. |
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