Jun 29, 2021
The Southeast Alaska region saw well above normal snowpack through out the 2020-2021 winter, recording between 175 to 200% of normal snow water equivalent. There was a delay in snowmelt in the spring time due to cooler than normal temperatures in April and May to keep larger river's stream flows below normal. Temperatures started to be closer to normal in the second half of the first week of June over Southeast Alaska which began to prime the snowpack in larger rivers basins like the Taku River
Source: NOAA National Weather Service Storm Events Database (event 960721). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Juneau Borough County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.