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Eurasian Snow Cover Variability Links with Stratosphere-Troposphere Coupling and its Impacts on Alaskan Weather

Using both observational analysis and novel numerical modeling experiments, we showed that autumn snow cover extent and Arctic sea ice trends can force observed increasing trends in stratospheric polar vortex stretching and surface impacts. Our analysis provides a dynamical link between rapid Arctic change and extreme winter weather across large regions of the Northern Hemisphere.

S.T. Lee lecture: Climate Solutions for Pacific Island Resilience – the Pacific RISA Program

Dr. Laura Brewington (Arizona State University, the East-West Center) will provide an introduction to the Pacific Regional Integrated Sciences and Assessments (RISA) program, one of 11 NOAA RISA programs in the United States focused on regional climate science and adaptation. Now in its 16th year, the Pacific RISA is generating equitable climate solutions in Hawaii…

VAWS: Second Generation CMORPH for Real-Time Monitoring

The most important purpose of this webinar is to get feedback from our colleagues in the field offices on how we may improve the CMORPH2 to better serve operational applications in weather, water, and climate.

Climate, salmon, and fishing communities: Collaborative, solutions-oriented science for Alaska

Online only

Speaker: Erik Schoen, International Arctic Research Center, UAF As Alaska's salmon respond to a rapidly changing environment, our fishing communities are experiencing record highs, disastrous lows, and uncertainty about what the future will bring. Climatic conditions affect salmon throughout their life cycle, from freshwater to the ocean and back. Climate can also influence salmon indirectly…

VAWS: The Alaska Aviation Weather Unit and Volcanic Ash Advisory Center

Speaker: Joshua Maloy (National Weather Service) The Alaska Aviation Weather Unit/Anchorage Volcanic Ash Advisory Center is a dual office that has both meteorological watch office and volcanic ash advisory center responsibilities. Falling under the auspices of NOAAs National Weather Service, the dual-office is located in Anchorage, AK. The presentation will provide an overview of operations,…

Alaska Fire Season 2022: Focus on Southwest Alaska and Impacts on Vegetation and Fuels

Online only

Speakers: Rick Thoman (ACCAP Climate Specialist) and JJ Frost (ABR, Inc. Plant Biologist) The 2022 fire season in Alaska was unprecedented. Southwest Alaska experienced record-breaking fires that impacted local communities and challenged management resources. This webinar will review the weather, climate, and ecological factors that contributed to the severe wildfire season, with an in-depth look…

Laying the Foundation for Resilient Coastal Communities

Speaker: Rich Buzard The UAF Arctic Coastal Geoscience Lab uses a combination of remote sensing, ground and aerial surveys and citizen science to measure erosion and flooding in several Alaskan villages. During this webinar Rich will describe their work monitoring coastal erosion and laying the foundation for resilience in coastal Alaskan communities.

Southeast Alaska Drought

Join us to review the SE Alaska Drought Report. We'll discuss drought history, causes, and impacts. Select community perspectives will be highlighted.

Arctic Report Card: Background and Key Finding

Speakers: Rick Thoman (ACCAP Climate Specialist), John Walsh (Climate Scientist) and Robb Kaler (USFW Migratory Bird Management) During this month's VAWS webinar, we will review the process used to create the Arctic Report Card, the value of the information that is provided, and key findings from this year's report. The Arctic Report Card checks in…

Moose on the Move: Science to Prevent Moose-Vehicle Collisions in a Changing Climate

This webinar will draw a link between seasonal changes in driving difficulty and moose movements that lead to a predictable spike in moose-vehicle collisions during winter. We can use this knowledge to predict the times and places where collision risk is highest, and ultimately reduce avoidable human and animal suffering.

Geolinguistic Evidence of Ahtna/Dene Presence at High-water Levels of Glacial Lake Atna

Speaker: James Kari, Emeritus Alaska Native Language Center, University of Alaska Fairbanks A group of about 20 Ahtna place names termed "The Nen' Yese' Ensemble" are very informative of the geology and hydrology at the Tyone Spillway in the Copper River Basin. Seven or eight patterned duplications indicate rule-driven spatial-temporal seriation at high water levels…

March 2023 NWS Alaska Climate Outlook Briefing

Speaker: Rick Thoman, ACCAP Climate Specialist We will review recent and current climate conditions around Alaska, discuss forecast tools, and finish up with the Climate Prediction Center’s forecast for April 2023 and the early spring season. Join the gathering online to learn what’s happened and what may be in store with Alaska’s seasonal climate.

Indigenous Self-Determination in Co-Production of Knowledge

Speaker: Margaret Rudolf As part of Rudolf's Interdisciplinary PhD Dissertation Defense, she will focus on co-production of knowledge, which has become popular in arctic research. There is a rising need to understand how to adapt co-production of knowledge to working with Arctic Indigenous Peoples. This interdisciplinary doctoral research highlights four papers (1) a critical analysis…

VAWS: Predicting pyroCumulonimbus (pyroCb) events through remote sensing resources in support of National Weather Service and firefighting agencies

This presentation will examine the efficacy of NUCAPS-derived near-surface lapse rate and vapor pressure deficit, mid-troposphere moisture content, and instability parameters to facilitate early warning of pyroCb development. NRL-MMD is developing fire pixel clustering and NUCAPS filtering techniques to focus on specific wildfire events that are likely to produce pyroCb activity. The overarching objective is to provide weather forecasters and firefighting agencies with a potentially invaluable resource related to hazards ensuing from convective cloud development over active wildfires.

Alaska Spring River Breakup

Speakers: Celine van Breukelen (Alaska-Pacific River Forecast Center) and Rick Thoman (Alaska Center for Climate Assessment and Policy) There’s a deep snowpack across Alaska as spring melt approaches. Celine van Breukelen with the NWS Alaska-Pacific River Forecast Center (APRFC) will review break-up basics and provide an overview of current conditions. ACCAP Alaska Climate Specialist Rick…

April 2023 NWS Climate Outlook Briefing

Speaker: Rick Thoman, Alaska Center for Climate Assessment and Policy We will review recent and current climate conditions around Alaska, highlight some forecast tools and finish up with the Climate Prediction Center’s forecast for May 2023 and the early summer season. Join the gathering online to learn what’s happened and what may be in store…

Green-up in the Alaska Boreal Forest

Speakers: Rick Thoman (Alaska Center for Climate Assessment and Policy) and Jan Dawe (OneTree) Green-up, that time when leaves burst forth from Alaska’s deciduous trees, has important implications for the seasonal ecology, society and even meteorology in the state. The unique multi-decadal record of green-up dates in Fairbanks has been used to develop a technique…

Arctic Marine Ecosystem Research and Opportunity to Provide Input for New Northern Bering Sea Research Program

Speaker: Danielle Dickson, North Pacific Research Board The Arctic Integrated Ecosystem Research Program (IERP) studied the marine ecosystem in the Bering Strait and Chukchi Sea 2016-2021. The multi-disciplinary program documented warming water temperatures and profound changes in every aspect of the ecosystem, including changes in the nutritional quality of prey and changes in the distribution…

Paralytic Shellfish Poisoning in Alaska

Speaker: Bruce Wright, Knik Tribe Chief Scientist In Alaska, paralytic shellfish poisoning (PSP) is caused by toxins (PSTs) produced by the microscopic marine dinoflagellate Alexandrium catenella. PSP is usually associated with consumption of toxin-containing bivalves, but PSTs can also be present in other biota during Alexandrium blooms, including species that do not feed on shellfish. The…

VAWS: An introduction to the West Coast and PolarWatch Nodes of NOAA CoastWatch

Speakers: Cara Wilson, Dale Robinson, & Sunny Hospital PolarWatch is part of NOAA’s CoastWatch program with a primary mission to distribute satellite and other geospatial data products for polar regions and to make the data products easily accessible to data users. They provide access to near real time and historical satellite and non-satellite data of…

May 2023 NWS Alaska Climate Outlook Briefing

Speaker: Rick Thoman, Alaska Center for Climate Assessment and Policy We will review recent and current climate conditions around Alaska, review some forecast tools, and finish up with the Climate Prediction Center’s forecast for June 2022 and the summer season. Join the gathering online to learn what’s happened and what may be in store with…