LEO Network

About the LEO Network
The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
Continue

Observations

The Spring Crust Snow Conundrum
In past years observers reported on changes in the timing of when spring crust snow develops in Glen Alps. This year the crust is developing at lower elevation(s) but not at Glen Alps. Is it spring in Anchorage and still winter in the Chugach?
Anchorage, Alaska, United States
Lars Flora, Mike Brubaker, Richard L Thoman Jr

Skier killed, 2 others hurt after falling about 300 metres in Alaska avalanche
An avalanche on Alaska's Kenai Peninsula killed one backcountry skier and injured two others, prompting warnings for people to stay away from steep slopes as warm weather and high winds raise the risk of more snowslides around the state.
Summit Lake
CBC

A moose on the loose: Combat shopping in an Anchorage Costco parking lot
A moose caused a stir in an Anchorage Costco parking lot, interacting with shoppers and snacking on the landscaping, reflecting increased human-moose encounters in the area.
Anchorage, Alaska, United States
Alaska Public Media

Kenai Peninsula man is the first person to die of Alaskapox virus
An immunocompromised man from Kenai Peninsula is the first known fatality from the Alaskapox virus, a rare zoonotic disease primarily transmitted through animal contact.
Kenai, Alaska, United States
Alaska Public Media
Rachel Cassandra, Alaska Public Media - Anchorage

Southcentral Alaska cold snap and surging natural gas demand put supply in question
A cold snap in Southcentral Alaska has led to increased natural gas demand, causing Enstar to struggle with supply due to equipment failure and technical issues.
Anchorage, Alaska, United States
Alaska Public Media
Casey Grove, Alaska Public Media - Anchorage

2 Anchorage commercial roof collapses reported in 2 days
Both buildings were occupied during the collapses but everyone got out safely and no injuries were reported, according to Anchorage Fire Department spokeswoman Lexi Trainer.
Chris Klint, Alaska Public Media - Anchorage

Anchorage hits 100-inch winter snow total at earliest date on record
A storm that started Sunday and largely tailed off by Monday afternoon had dropped nearly 17 inches on the city by evening to establish the new seasonal snowfall total, according to the National Weather Service. The storm closed schools in Anchorage and Mat-Su on Monday, and contributed to a fatal collision on the Parks Highway.
Anchorage Daily News

Rural Chugach Electric customers deal with 'excessive' winter outages
Chugach Electric acknowledges the high frequency of winter power outages in Cooper Landing and Moose Pass, attributing them to heavy snowfall and considering solutions like local maintenance crews.
Moose Pass, Alaska, United States

Roof of vacant, condemned Anchorage warehouse partially collapses under snow load
The warehouse at 4640 Gambell St. damaged Wednesday is owned by Marten Martensen, the primary owner of the Continental Auto Group in Anchorage. He was part of a group that purchased the property in October 2022 and briefly used it to store around 10,000 tires until last December’s successive snowstorms caused the structure to begin collapsing.

Anchorage Spenard Builders Supply facility suffers major snow-related roof collapse
The Spenard Builders Supply facility in Anchorage suffered a significant roof collapse due to heavy snow, causing no injuries but damaging the structure and nearby utilities.
Chris Klint, Alaska Public Media - Anchorage

Abundance of seeds on snow
Big snow falls, warm temperatures, and strong winds covers snow surface with a variety of seeds from trees.
Katie Spellman, Mike Brubaker, Lars Flora

With Anchorage schools remote again, another storm hitting Southcentral Alaska
With Anchorage schools remote again due to a 17-inch snowfall and strong winds, another storm is hitting Southcentral Alaska, potentially causing power outages as trees fall on electric lines.
Chris Klint, Alaska Public Media - Anchorage

Southcentral Alaska schools closed amid snowstorm, power outages
Schools in Southcentral Alaska are closed due to a snowstorm and power outages, with the Seward Highway being deemed "impassable" and numerous vehicles stranded.

Alaskans drawn to alpine lakes for ‘once-in-a-decade’ ice skating conditions
Alaskans are taking advantage of rare ice skating conditions on alpine lakes in Chugach State Park, with hundreds of people hiking into the backcountry to skate on smooth ice in the shadow of iconic peaks.
Rabbit Lake, Alaska
Anchorage Daily News

Bears raid a Krispy Kreme doughnut van in Anchorage
The van was stopped outside a convenience store on Joint Base Elmendorf-Richardson when the bears helped themselves to doughnut holes and other pastries.

Homeowners along the Kenai River fight rising flood waters
The Kenai River has been running high ever since two glacier dammed lakes emptied into the river over the last few days. In the Kenai Keys subdivision near Sterling, the river is lapping at the doorsteps of the hundred or so homes that line the river. Longtime resident Frank Turpin said although he’s seen worse flooding, this one is significant. The road leading into the gated subdivision is flooded in numerous places although some vehicles can still make it through. Neighbors who live on higher ground have offered their yards for people wishing to store cars or other items until the waters recede.
Sterling, Alaska, United States

Unprecedented double glacial dam release brings flooding to the Kenai
Usually, the Snow Glacier and Skilak lakes release every two or three years. Both at the same time is unprecedented.
Skilak Lake

Weather service warns that strong winds in Anchorage could lead to power outages and downed trees
Intermittent power outages continued across Anchorage Friday as high winds that started the day before toppled trees across the city.

Atmospheric river triggers flood watch for Anchorage and broad swath of Southcentral Alaska
Forecasters say they are measuring near-record moisture in a storm system expected to bring heavy rain and wind to the region, ramping up Friday night and into Saturday.
Anchorage Daily News

Red or Black Currants?
Red and Black Currants are present on the property and the moose seem to be picky about what berry they like to consume.

Black bear in tree for 24 hours

Anchorage police kill black bear that was charging people in neighborhoods near Baxter and Northern Lights
Anchorage police killed a black bear that was charging people in neighborhoods near Northern Lights Boulevard and Baxter Road on Sunday night.

Haze from Canada wildfires coming to Southcentral Alaska this week
The smoke is from numerous wildfires burning in Canada’s Yukon Territory.

Humpback whale nearly knocks paddler off board near Whittier
Stand up paddle boarder near miss with humpback whale in Prince William Sound.
Whittier, Alaska, United States

Signs of a wet summer are numerous around Cheney Lake
The rain in July has been persistent and in some cases intense. At Cheney Lake there is plenty of evidence about the wet summer.

Fireweed blooms hindered by foam?
Foam or saliva-looking substance on seen on flowering plants like fireweed and yarrow.
Derek Sikes, Julia Salt, Brandie Radigan, Chyna Williams

Fuel vault at Anchorage medical campus believed to be source of University Lake oil spill
Oil from a nearby fuel container leaked through the water system in the lake most likely due to heavy rains of the past month. Cleanup efforts were ongoing this week. It’s not clear when the park will reopen.

A white raven has appeared on the Kenai Peninsula
Kenai National Wildlife Refuge staff say the bird is leucistic, lacking pigment in some feathers due to an absence of cells that produce melanin.
Soldotna, Alaska, United States

Anchorage has seen the windiest June so far in more than 50 years. Is more wind in our future?
The first half of June was Anchorage’s windiest in more than 50 years, the result of an unusually stormy spring in Alaska.

‘Unseasonably strong’ storm bringing heavy winds, rain to parts of Southcentral Alaska
An unusually strong storm for this time of year was bringing rain and heavy winds to parts of Southcentral Alaska on Sunday.

Concerned about algae in Cheney Lake
Over the last several weeks the algae bloom has ranged from significant covering the surface of the lake in many places to today seeing patches of the bloom here and there on the surface. It can also be observed below the surface near the shoreline.

Spring melt reveals vole tracks
I have never seen so many little tunnels on my lawn before.

Funny River Road closes for 37 hours after culvert collapse
A culvert collapse closed the road at Mile 8 from 9 p.m. Friday until one lane reopened at 10 a.m. Sunday. The culvert was washed out by heavy snowmelt.
Soldotna, Alaska, United States

Snow Mold

Injured skier rescued after Girdwood avalanche sweeps him hundreds of feet down mountain
The slide occurred at a time when forecasters in the region are cautioning backcountry skiers and snowboarders about the potential for warming weather to increase avalanche risk.
Girdwood, Alaska, United States

2 people survive late-season Southcentral Alaska avalanches
The slides come near the end of an avalanche season experts say is notable both for its heightened danger and lack of deaths.
Girdwood, Alaska, United States

Anchorage sets new record for amount of snow on the ground in April
Snow dumped on Southcentral Alaska this weekend, with more than 8 inches falling in the Anchorage area and about 5 inches in the Matanuska-Susitna Borough. A Climatologist says this weekend has led to a record amount of snowpack this late in the season.
Wesley Early, Alaska Public Media - Anchorage

Half-mile stretch of Anchorage’s 15th Avenue closed due to sinkhole
A drainage culvert beneath the street failed, causing the sinkhole.
Jeremy Hsieh, Alaska Public Media - Anchorage

Anchorage animal shelter pauses dog adoptions and surrenders due to highly contagious virus
Three young dogs were euthanized this week after testing positive for parvovirus, an Anchorage Animal Care and Control official said.

Anchorage officials report a second building collapse this weekend with no injuries
This is the second reported roof collapse in Anchorage in two days.

Unstable snowpack causes heightened avalanche risk in Turnagain Pass this winter
The reason for the uptick in human-triggered avalanches this winter: persistent weak layers in the snowpack.
Turnagain Pass, Alaska

1 person killed in South Anchorage roof collapse
The roof collapsed at a South Anchorage gym during a fitness competition. The Anchorage Office of Emergency Management cautioned residents that the city has had near-record snow conditions this winter, and residents should consider the snow load on their roofs. Officials also warned that property owners should exercise extreme caution if removing snow from their roofs themselves.

Anchorage has seen almost double its usual snowfall since December
Just this month, more than 23 inches of snow have fallen in Anchorage, 17.5 inches above normal. A weekend storm clogged Anchorage streets, creating hazardous road conditions. The Anchorage School District closed school buildings and canceled after-school activities, calling a remote learning day.

Alaska SeaLife Center admits first fur seal patient in 6 years
The female seal pup — estimated to be around six months old — was seen swimming “erratically” near the shore in Sitka last month, according to a press release from the center. Worried Sitka residents then reported the pup to the center’s 24-hour stranding hotline.
Seward, Alaska, United States

Train derailed by avalanche debris
Alaska Railroad freight train derailed early Tuesday after plowing into avalanche debris south of Girdwood. The debris spread roughly 300 feet across the tracks.
Girdwood, Alaska, United States

Snow buildup on Anchorage roads leaves drivers with fewer lanes and longer commutes
Road crews say they’re still working to fully carve out the streets and haul snow away, after the city was hit with a trio of major storms this month. Some of Anchorage’s roads are maintained by the state of Alaska, and others by the city.

Anchorage and Mat-Su schools closed after 3rd major snowstorm hits the region
Anchorage and Mat-Su Borough schools and state offices are closed Thursday as a third major winter storm this month coated the area with snow overnight Wednesday. “In the past 11 days, we’ve had 41.1 inches of snow which is a lot for Anchorage,” Baines said.

Anchorage digs out of more than a foot of wet, heavy snow
All schools in Anchorage and the Mat-Su Borough are closed Wednesday due to slick roads across the region, as snowfall continues. “This is the heaviest snowfall the Anchorage area has seen in over 20 years,” said state Department of Transportation spokesman Justin Shelby. “Our crews are keeping up as best they can.”

Invertebrates recover at Miller Creek
Just over a year ago, the Alaska Department of Fish and Game applied the pesticide rotenone to two lakes and a stream in the remote Miller Creek drainage on the northern Kenai Peninsula to eradicate the last known population of invasive northern pike on the Kenai Peninsula.
Soldotna, Alaska, United States
Peninsula Clarion

Late Alaska Winter
October flew by leaving us with a couple of light snowfalls. November came around with something slightly more impressive, but it wasn't the same. Mid December decided to make up for all of the snowfalls that we missed all at once, it seems like.
Richard L Thoman Jr, Mike Brook, Mackenzie Lord

Unusual tree fungus?
"I don’t recall seeing anything like this before."

An epic month for mushrooms
Over a month of rain has tranformed Anchorage into a rainforest and revealed the plethora of fungi hiding in our lawns, parks and forests.
Richard L Thoman Jr, Gino Graziano, Jessie Moan, Mike Brubaker

Alaska’s first monkeypox case recorded in Anchorage
Anchorage Health Department officials say the person who tested positive is an Anchorage resident and is isolating at home. Officials say the person did not require hospitalization, and was a close contact of a person who recently traveled out of state.
Wesley Early, Alaska Public Media - Anchorage

The spruce beetle invasion’s exhausting toll on Southcentral Alaska property owners
For property owners, the beetles present a vexing scenario, as some scramble to keep their trees alive while others mourn the loss and embark on the oftentimes costly removal process.

Cysts on tree at Kincaid Park
Interesting cysts covering a young choke cherry tree.
Anchorage
Neena Brubaker, Mike Brubaker, Gino Graziano, Jessie Moan, Derek Sikes

In Anchorage, June’s record heat and little rain ramp up holiday weekend fire risk
Anchorage saw temperatures spike above 60 degrees every day in June for the first time in recorded history. The city also experienced near record low precipitation: Only 1/10 of an inch of rain fell the entire month.

Unidentified spider in Anchorage
Unidentified spider observed outside of a commercial building.

Firefighters work to contain Anchorage wildfire
The fire also comes as the state of Alaska enters its second highest level of fire preparedness, based on the high number of wildfires burning statewide and the possibility for more.

Volunteers confront an invasion of black slugs near Whittier
Volunteers at the Whittier Slug-Out learned about Alaska’s invasive species and helped mitigate European black slugs near a popular cove on Prince William Sound.
Whittier, Alaska, United States

The worst of Anchorage’s allergy season may be over, two of Alaska’s only ‘pollen hunters’ say
This season the birch pollen has been particularly bad. Some people with asthma have had to leave the state. The peak was May 18 when pollen counts were 974 grains per cubic meter.

One lane of traffic open near Cooper Landing after Sterling Highway landslide
The creek slide is the latest environmental incident to strike the Kenai Peninsula this week: a massive landslide in Seward on May 7 continues to block Lowell Point Road, a wildfire broke out near Sportsman’s Landing on May 8 and a separate wildfire broke out on May 10 near Wildman’s.
Cooper Landing, Alaska, United States
Peninsula Clarion

Lowell Point Road closed due to landslide - Shelter open at Seward High School
The landslide, estimated to be 300 feet wide, has completely cut off the community of Lowell Point. Lowell Point Road is the only land access between Lowell Point and the City of Seward. As a result the City of Seward cannot access critical wastewater facilities.
Seward, Alaska, United States
Seward Journal

Anchorage couple creates wildlife app to help others enjoy nature more safely
Scott Keenan and his wife Ashlie moved to Anchorage from Sydney, Australia four years ago, and found there were no other apps to help them safely navigate around the new types of wildlife they started to encounter in Alaska. Repawts can help people share important information about wildlife sightings and receive safety alert notifications for anyone hitting the hiking trails, campsites and fishing spots around Alaska.

Beetle-killed trees raise safety concerns at Kenai Peninsula campgrounds
Carmichael pointed to a tree that fell across one of the riverside campground spots, taking out a fence. There’s another on the opposite side of the path, branches strewn across an open patch of snow. They’re among the 1,000 high-priority trees the city wants to remove due to safety concerns.

It'll likely take 2 weeks to clear snow from Eagle River road after massive avalanche, officials say
No residents had been reported injured or missing, and power had been restored to most impacted homes. City officials had also carved a path so residents can travel in the area by snowmachine.
Eagle River, Alaska, United States

Giant ice craters, ruts and street-squeezing snow berms: Anchorage road conditions are improving but still causing chaos
Auto shops are seeing more business because of damaged tires, and drivers are often inching through a messy maze of bad road conditions. Road crews are making headway but still catching up from unfavorable weather last month.

Bluff erosion top capital priority for Kenai heading into next fiscal year
Kenai City Council members approved the city’s five-year capital improvement plan Wednesday
Kenai, Alaska, United States
Peninsula Clarion

An unusual redpoll?
I was watching a flock of redpolls at my feeder when I noticed one unusual member with a huge white body. See photo.

Support

Observation Template