Category Archives: Alaska Water Level Watch Features
Ex-Typhoon Merbok Post-Storm Data Response
Sept. 15, Extratropical Typhoon Merbok transited the Bering Sea impacting 40 Alaska Native communities and more than 1,300 miles of coastline. Visit this site to see the story about the post-storm data collection effort that was immediately coordinated to provide … Continue reading
What Was the Biggest Flood We Had?
The Alaska Division of Geological & Geophysical Surveys works with Alaska Water Level Watch partners to maintain photos and resources on historical floods in western Alaska. These resources are the only insights into how high past floods reached in and … Continue reading
Water Level Sensor Installed to Monitor Flooding at Kwigillingok
October 22, 2021 By Jacquelyn Overbeck, Alaska Division of Geological & Geophysical Surveys Early in spring of 2021, the community of Kwgillingok experienced coastal flooding from a high tide (see https://www.kyuk.org/post/kwigillingok-experiences-severe-tidal-flooding). Although Kwigillingok has had coastal flooding in the past … Continue reading
Alaska Coastal Mapping Strategy Supports Addressing Deficiencies in Water Level Network
July 6, 2020 By Jacquelyn Overbeck, Alaska Division of Geological & Geophysical Surveys The Alaska Mapping Executive Committee (AMEC)—a coordinated working group amongst federal agencies as well as the State of Alaska—recently released a strategy to map the coast of … Continue reading
VDatum Efforts in Alaska
Southeast Alaska Model Release/Update The VDatum 4.0.1 release on October 28, 2019 includes support for transformations involving the tidal datums of southeast Alaska (SE AK): local mean sea level (LMSL), mean lower low water (MLLW), mean high water (MHW), mean … Continue reading
Coastal Storm Hits Western Alaska. In February.
February is not a normal time of year for coastal storms to be flooding western Alaska. With another year of record low sea ice extents in the Bering Sea (NSIDC, 2019), however, the coast remains vulnerable to low-pressure systems moving across the ocean. Continue reading
Summer Surge on Kotzebue Sound
In July 2018, the Alaska Division of Geological & Geophysical Surveys Coastal Hazards Program conducted coastal surveys at Kotzebue and Deering, Alaska to inform the elevation data used to create color-indexed flood communication maps. While surveying in Kotzebue, the program … Continue reading
UAF Deploys Storm Surge Monitoring Tripods in Three Northwest Coastal Communities
Northwest Alaska is no stranger to large fall storms. From October until the sea ice arrives, the region experiences multiple coastal storms each year that heavily impact the region leading to inundation and coastal erosion.
JOA Surveys Installs Storm Response Water Level Sensors on Yukon Delta
Re-installation of the Tununak iGage
Alaska Division of Geological & Geophysical Surveys and Anchorage National Weather Service (NWS) staff travelled to Tununak to re-install a water level sensor that was damaged in winter of 2015. Continue reading