Weather Alerts for Blackfoot MountainsIssued by the National Weather Service |
 FLASH FLOOD WATCH |
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| BLACKFOOT MOUNTAINS | ||
Areas Affected: Blackfoot Mountains - Marsh and Arbon Highlands |
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| Effective: Sat, 6/3 2:09pm | Updated: Mon, 6/5 7:26am | Urgency: Expected |
| Expires: Mon, 6/5 3:00pm | Severity: Severe | Certainty: Possible |
Details:
...FLASH FLOOD WATCH FOR THE POTENTIAL FAILURE OF PORTNEUF DAM SPILLWAY ON CHESTERFIELD RESERVOIR ON THE PORTNEUF RIVER REMAINS IN EFFECT THROUGH MONDAY AFTERNOON... * WHAT...Flash Flooding caused by a potential spillway failure is possible at the Portneuf Dam on Chesterfield Reservoir. * WHERE...A portion of southeast Idaho, including along the Portneuf River downstream of Chesterfield Reservoir thorugh Pebble and along Old Highway 30 south to Lava Hot Springs and downstream to McCammon. * WHEN...Through Monday afternoon. * IMPACTS...Failure of the spillway may result in flash flooding of low-lying areas below the dam, including areas that are already experiencing flooding along the Portneuf River. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood Information: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. PLAN NOW so you will know what to do in an emergency. Officials remain on site closely monitoring the situation. Please follow Caribou County Sheriffs Office on social media and consider signing up for Caribou County Alert Sense for the latest information. |
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