NOAA reporting about August 2023 flooding in Juneau Alaska. “Not every retreating glacier in Alaska is at risk for these glacial lake outburst floods, but those that are can have very serious consequences downstream. …

For the Mendenhall Valley, glacial lake outburst floods are a relatively new phenomena but have become a yearly occurrence since 2011, when the first outburst occurred.”

#Alaska #glacier #GlacialFloods #Mendenhall #Juneau

https://alaskan.social/@AlaskaWx/110899841991873857

Amazing drone #video of #glacial #flood of #Mendenhall #Alaska #AKwx https://www.youtube.com/watch?v=dnatOP78hgk

@EugestShirley Amazing... (scary... but amazing). #Mendenhall #glacier

NWS Juneau:
UPDATE: CRESTED

Threat Information -
What: Major Flooding caused by a glacier-dammed lake outburst is occurring
Where: Mendenhall Lake and River in Juneau
When: Until 10am Sunday

Impacts -
• Major flooding will continue for several hours
• Continue to comply with road closures
• Significant river bank erosion
• Abundant tree-fall & debris in the river

Suicide Basin is a side basin of the Mendenhall Glacier above Juneau Alaska. Details at https://www.weather.gov/Juneau/suicidebasin

#AKwx #Mendenhall

NWS Juneau:

"IMPORTANT UPDATE -- Mendenhall Lake has now crested at 14.97 feet at 11:15 PM and water levels have begun to drop. Flooding is still occurring and is expected to continue for several more hours." #akwx

#Mendenhall

Crude Magazine
·
6h
This afternoon (Sat. 8/5) in Juneau, Suicide Basin broke in Mendenhall Glacier, causing Mendenhall River to flood.

[This video 😬]

#Mendenhall #SuicideLake

Video link: https://twitter.com/crudemag/status/1688059190722322433

Drone footage of the #Mendenhall River jökulhlaup flooding in #Juneau on Saturday: https://youtu.be/bKVdDkfbHUo
Latest story from KTOO: https://www.ktoo.org/2023/08/05/city-recommends-evacuations-as-juneau-sees-record-flooding-from-glacial-outburst-flood/
#akwx #ClimateChange
(Cc @AlaskaWx @Climatologist49 @AK_OK)