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Flood Alert: Mendenhall River Expected to Crest at 16.6 Feet

Flood Alert: Mendenhall River Expected to Crest at 16.6 Feet

A glacial outburst flood from Suicide Basin is causing rising water levels in the Mendenhall River near Juneau, Alaska. According to the National Weather Service (NWS) Juneau, the river is expected to crest between 16.1 and 16.6 feet between 5 a.m. and 9 a.m. on Thursday. Minor flood stage will be reached around 3 p.m. Wednesday, with major flood stage expected by 1 a.m. Thursday. The flood warning remains in effect until 4:30 a.m. Friday. Emergency measures, including HESCO barriers, have been implemented, and an evacuation shelter has been opened at Floyd Dryden campus. City facilities and trails near the river are closed as a precaution.

Glacial Dam Release Triggers Evacuations in Juneau, Alaska

Glacial Dam Release Triggers Evacuations in Juneau, Alaska

A glacially-dammed basin in Suicide Basin, near Juneau, Alaska, has released, causing significant water flow into the Mendenhall Lake and River. The National Weather Service (NWS) has issued evacuation notices for residents in the Mendenhall Valley flood zone. Water levels in the Mendenhall River are rising rapidly, with the crest expected to reach between 16.1 and 16.6 feet on Thursday morning, nearing last year’s record of 16.65 feet. Officials have set up HESCO barriers and sump pumps to mitigate flooding, but the risk of barrier breaches remains. Residents are urged to finalize evacuation plans as the situation develops. The water level in Suicide Basin has dropped by 25 feet since the release began, but the flow into the river continues to accelerate. (Source time: Wed, 12 Aug 2026 01:25:10 GMT)

Juneau Officials Urge Evacuation Amid Glacial Outburst Flooding Threat

Juneau Officials Urge Evacuation Amid Glacial Outburst Flooding Threat

Juneau officials have issued an urgent evacuation advisory for residents in flood-prone areas as glacial outburst flooding threatens the region. The flooding began on August 11, with the Mendenhall River expected to crest between 8 a.m. and noon on August 13, reaching water levels between 16.1 and 16.55 feet. The flooding originates from Suicide Basin, where the ice dam of the Mendenhall Glacier has broken, releasing billions of gallons of water into the river. The City and Borough of Juneau, along with the U.S. Army Corps of Engineers, have prepared flood mitigation efforts, including the installation of HESCO barriers along the riverbanks. Approximately 5,000 residents in 1,900 homes are affected by the evacuation advisory.

Mendenhall River Flood Expected to Peak at 16.6 Feet Thursday Morning

Mendenhall River Flood Expected to Peak at 16.6 Feet Thursday Morning

The Mendenhall River in Juneau, Alaska, is forecast to reach a peak flood level of 16.1 to 16.6 feet between 8 a.m. and noon on Thursday, August 13, 2026, according to the National Weather Service (NWS) Juneau. The river is currently rising due to a glacial lake outburst flood from Suicide Basin, which began on Tuesday. As of 3 p.m. Wednesday, the river was at 6.87 feet, rising at a rate of 0.22 feet per hour. Major flood stage, defined as 14 feet or higher, is expected to begin around 5:45 a.m. Thursday and last until approximately 1 p.m. Evacuation advisories are in place for flood-prone areas, and emergency shelters have been opened to accommodate displaced residents.

Glacial Dam Release Prompts Evacuation Notices in Juneau's Mendenhall Valley

Glacial Dam Release Prompts Evacuation Notices in Juneau's Mendenhall Valley

A glacially-dammed basin near Juneau, Alaska, has released, prompting evacuation notices for residents of the Mendenhall Valley. State and local officials have warned that floodwaters are expected to reach homes along the Mendenhall River late Wednesday through Thursday morning. The City and Borough of Juneau have announced the closure of several facilities, including the Mendenhall Valley Public Library and Dimond Park Field House, due to the anticipated flooding. Residents in the flood zone have been advised to finalize evacuation plans as the Suicide Basin has reached full capacity. The National Weather Service and other agencies are monitoring the situation closely, with barriers and sump pumps set up to mitigate the impact of the floodwaters.

Juneau Prepares for Major Flooding as Mendenhall River Expected to Crest

Juneau Prepares for Major Flooding as Mendenhall River Expected to Crest

The National Weather Service in Juneau has issued a flood warning as the Mendenhall River is expected to crest between 16.1 and 16.6 feet on Thursday morning. Residents in flood-prone areas are advised to evacuate by 3 p.m. Wednesday. The river is anticipated to reach a major flood stage, posing significant risks to the community. Emergency response teams are on high alert, and an emergency shelter has been set up to accommodate evacuees. The situation is being closely monitored, with updates provided to ensure public safety.

Evacuation Notices Issued as Glacial Dam Releases Threaten Juneau with Flooding

Evacuation Notices Issued as Glacial Dam Releases Threaten Juneau with Flooding

Authorities in Juneau have issued evacuation notices for residents in the Mendenhall Valley due to the release of a glacially-dammed basin. The floodwaters are expected to impact homes along the Mendenhall River from late Wednesday through Thursday morning. This annual event has caused significant flooding in the past, with the most severe incident occurring in 2025, affecting 35 homes. The City and Borough of Juneau, along with state officials, are urging residents to prepare for evacuation and have set up barriers and sump pumps to mitigate the impact.

Federal Officials Seek Industry Solutions for Juneau's Glacial Outburst Floods

Federal Officials Seek Industry Solutions for Juneau's Glacial Outburst Floods

Federal officials, including U.S. Sen. Dan Sullivan and Assistant Secretary of the Army for Civil Works Adam Telle, are preparing for another glacial outburst flood expected to hit Juneau’s Mendenhall River. This annual summer flooding poses significant risks to homes and lives. The U.S. Army Corps of Engineers has invested approximately $45 million to enhance temporary protections, such as making Hesco barrier floodwalls taller and wider. Additionally, 40% of the Corps’ global pump inventory has been deployed to Juneau as a precaution. The Corps plans to seek private-sector proposals for a more efficient and cost-effective method to evacuate water from Suicide Basin, the source of these destructive floods.

Ohio Declares State of Emergency After Deadly Flooding in Perry and Muskingum Counties

Ohio Declares State of Emergency After Deadly Flooding in Perry and Muskingum Counties

Ohio Governor Mike DeWine declared a state of emergency in Perry and Muskingum counties following severe flooding that resulted in one fatality. The flooding, caused by 5 to 8 inches of rain, affected communities such as Roseville, Crooksville, and New Lexington. The Ohio Army National Guard deployed 40 members to assist local responders. The flooding isolated Roseville, with only one road accessible, prompting evacuation advisories. The National Weather Service issued flood warnings, and further thunderstorms could exacerbate the situation. The emergency declaration aims to facilitate resource allocation and support for affected residents.

Historic Flash Flooding Hits Wayne County, Indiana

Historic Flash Flooding Hits Wayne County, Indiana

Wayne County, Indiana, is experiencing catastrophic flooding following up to 10 inches of rainfall within 24 hours (Western Wayne News, Aug. 12, 2026). The National Weather Service has issued a Flash Flood Warning for Wayne, Union, and southeastern Fayette counties, with additional rainfall expected. Emergency management officials have declared a Level III Travel Warning, prohibiting non-emergency travel through noon Thursday. The flooding has caused widespread evacuations, road closures, school cancellations, and power outages. Emergency shelters have been established, and water boil advisories are in effect for Cambridge City and Dublin due to compromised water systems. Rescue operations are ongoing, with multiple agencies assisting affected residents.

Severe Storms Cause Flooding and Tornado in Chicago Area

Severe Storms Cause Flooding and Tornado in Chicago Area

The Chicago area experienced severe overnight storms that resulted in significant flooding, wind damage, and a confirmed EF-1 tornado. The storms, which occurred from Sunday night into Monday, caused widespread disruption, including downed trees and power outages. In Mundelein, firefighters rescued two individuals trapped in a car by floodwaters. The storms also led to flight cancellations at O'Hare International Airport. The National Weather Service confirmed a tornado in LaSalle County, which caused damage to several farms and a freight train. The severe weather is expected to continue throughout the week, with more storms predicted.

Typhoon Dolphin Forces Evacuation of Over One Million in Eastern China

Typhoon Dolphin Forces Evacuation of Over One Million in Eastern China

Typhoon Dolphin has struck eastern China, leading to the evacuation of over one million residents, particularly in the Zhejiang province. The storm, which made landfall with winds reaching up to 150 kilometers per hour, has caused significant disruptions, including the grounding of flights and the closure of transportation services. The typhoon has brought heavy rainfall, flooding, and the risk of landslides to the region. In Shanghai, approximately 40% of flights were canceled due to adverse weather conditions. The storm is expected to weaken as it moves inland, but authorities remain vigilant, warning of potential severe flooding and landslides.