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VAWS: Predicting and Monitoring Heavy Precipitation in Complex Terrain

August 18, 2021 @ 11:00 am to 12:00 pm AKDT

Carl Dierking, Geographic Information Network of Alaska (GINA) University of Alaska (UAF)
Aaron Jacobs, National Weather Service (NWS) Forecast Office, Juneau Alaska
Kyle Van Peursem, Alaska Pacific River Forecast Center, NWS (non-presenting author)

Flooding and debris flow in Haines, Alaska, December 2020

The vast and complex terrain of Alaska can make it difficult to forecast and assess the severity of heavy precipitation events in remote communities, especially in areas where traditional observation sensors, such as radar and ASOS, are not available. This presentation will show deterministic and ensemble model guidance for 1 to 6 day projections along with satellite data that can help to anticipate the potential for heavy precipitation. We will also show satellite products and other real-time situational awareness tools that can be used to monitor and quantify areas of excessive precipitation during an event.

Links shared during presentation