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

Late Blooming Wildflowers After Leaf Fall
Wildflowers blooming in early October despite the leaf fall, likely due to warmer and rainier conditions, raising questions about climate change impacts on plant behavior and pollinators.
Palmer, Alaska, United States
Kendra Zamzow, Mylanda Forbis, Katie Spellman

Oodles of bears caught on camera at JBER cemetery
A video captured an unusually large group of bears at Fort Richardson National Cemetery on Joint Base Elmendorf-Richardson in Anchorage on Friday evening. The filmer said he regularly sees bears there in summer and fall but never so many at once.
Joint Base Elmendorf-Richardson (Fort Richardson National Cemetery), Anchorage, Alaska, United States
KTUU

Snow’s notable absence and welcome (and sometimes weird) presence
UAF Geophysical Institute space physicist Peter Delamere recently rode his fat-tire bike over frozen vegetation south of the Alaska Range until his tires finally bit snow a bit farther north.
Knik, Alaska, United States
Anchorage Daily News

2 workers remain missing after ATV carrying 5 breaks through river ice in Mat-Su
Two people were swept under the ice on the Big Susitna River on Thursday morning while three others were able to reach safety, Alaska State Troopers said.
Sutton-Alpine, Alaska, United States
Anchorage Daily News

Hatcher Pass Road still closed by avalanches that will take days to clear
Multiple avalanches have closed Hatcher Pass Road in Alaska due to heavy wet snowfall, with officials forecasting several days of clearance work.
Hatcher Pass, Alaska, United States
Anchorage Daily News

Multiple Southcentral ski areas closed over the weekend citing weather
Unusual weather conditions, including warming temperatures and increased rainfall, forced multiple Southcentral Alaska ski areas to close, while others faced high winds and heavy snow, highlighting a challenging winter for ski operations and backcountry travel.
Palmer, Alaska, United States

Hatcher Pass Road closed at mile 14 due to high avalanche danger
Hatcher Pass Road is closed at mile 14 due to high avalanche danger from heavy wet snow, with closures expected to last into the weekend, affecting snowmachining trails and Hatcher Pass Lodge.
Hatcher Pass, Alaska, United States
Alaska's News Source

Weather Ups and Downs
Alaska experiences unusual weather with multiple false springs, marked by warm periods followed by heavy snow or cold, casting doubt on the arrival of summer.
Eagle River, Alaska, United States

Litter change along the Glenn Highway
Litter along the stretch of the Glenn Highway from Eagle River to Wasilla is significantly less noticeable.
Eagle River, Alaska, United States

Houston man injured in moose trampling outside his home
A Houston man was injured by a moose near his home, an unusual event linked to increased moose aggression due to harsh winter conditions.
Houston, Alaska, United States

Unusually warm winter temperatures seen in the Eklutna Lake Valley
Eklutna Lake Valley experienced an unusually high temperature of 54.7 °F, surpassing Anchorage's all-time February record, likely due to strong southeast winds affecting the region.
Eklutna Valley, Alaska

2 found dead after residential fires in Mat-Su
Two individuals died in separate fires in Mat-Su, with one victim found outside his home after escaping the blaze, potentially succumbing to extreme cold.
Palmer, Alaska, United States
Alaska Public Media
Chris Klint, Alaska Public Media - Anchorage

Mat-Su schools closed Tuesday after blizzard hits power lines, highways
Mat-Su schools will be closed Tuesday due to a blizzard causing power outages and hazardous driving conditions.
Matanuska Valley, Alaska, United States
Alaska Public Media
Chris Klint, Alaska Public Media - Anchorage

Monday storm again closes Anchorage, Mat-Su schools and state offices
A winter storm in Anchorage and Mat-Su, Alaska has caused closures of state offices, schools, and bus services, with reports of stranded vehicles and accidents, and up to a foot of snow expected in some areas.
Matanuska Valley, Alaska, United States
Alaska Public Media
Chris Klint, Alaska Public Media - Anchorage

Hatcher Pass Road opens for summer, but with winter lingering
The Hatcher Pass Road in Alaska has opened for the summer season, but deep snow remains at higher elevations, with crews spending the last week digging out the road over the pass before opening it.

Open Water at Moose Creek
Open water in February.
Buffalo Soapstone, Alaska, United States

Palmer Library suffers roof collapse
The library in Palmer partially collapsed on Wednesday evening near closing time.

Mat-Su schools closed Tuesday amid Southcentral rain, icy roads
Light rain is expected to fall across much of the region Tuesday, with a storm possibly bringing more rain to Anchorage on Wednesday.

Strong winds from weekend continue into Monday morning
Roads remain dangerous, and power outages persist into Sunday evening in parts of Anchorage and the Matanuska and Susitna valleys.

‘This is totally unusual’: Highly pathogenic bird flu still spreading in Alaska, state veterinarian says
More than 1,000 domestic poultry and hundreds of wild birds have died or needed to be euthanized in the state since early spring. Since the first case of a deadly strain of avian flu was detected in Alaska in May, more than 1,000 domestic poultry and hundreds of wild birds have died or needed to be euthanized.

Mat-Su flooding closes roads, threatens homes after deluge soaks Talkeetna Mountains
August 9, 2022 Borough officials said multiple roads were closed Tuesday and more were being monitored after several days of rain.
Houston, Alaska, United States

Thunderstorms in Southcentral Alaska spark at least 1 structure fire
It’s not often that Southcentral Alaska residents wake to thunder in the middle of the night. But what forecasters are calling an unusual storm moved from the Talkeetna Mountains into the Matanuska Valley and then Anchorage and south to the Kenai Peninsula from Wednesday night into Thursday morning. At least one lightning-caused structure fire was reported.

Alaska's first case of highly contagious bird flu strain confirmed in Mat-Su chickens
State Veterinarian Dr. Robert Gerlach says the Mat-Su case confirms that migrating birds have brought avian influenza to Alaska.
Matanuska Susitna Borough, United States

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

Dunleavy issues disaster declaration for Interior Alaska and Mat-Su storms
Extreme winds and cold temperatures have affected the areas. At one point over the weekend, 20,000 households in Mat-Su lost power.

Heavy rain on Halloween
The Matanuska Experiment Farm in Palmer says they got 1 1/8" of rain on Saturday. I think we got more than that, but based on their measurements I would revise my estimate down to 1 1/2 to 2 inches on Saturday.
Chickaloon, Alaska, United States

Large number of flies in our home
"We had never before observed a species of the order Diptera, aside from the mosquitos present every year. Around the middle of September this year, however, there was a large influx of houseflies into our home."
Wasilla, Alaska, United States

Different Speeds in Stream Current
" I was down by North Fork taking pictures by the stream and noticed the differing speeds in current throughout the small part of the stream in view. A part of the stream was almost completely stagnant and just a little way farther down stream it was flowing like crazy. "

Shift in Overall Weather Pattern Over Past Two Decades
"The first snowfall of this year happened so early that the leaves on the trees had not fallen yet. The weight of the snow on top of the trees that had not shed their leaves caused the trees to incur damage."

Insect eating red currant leaves
Red currant leaf consumption by something was observed by my supervisor while walking along a salmon stream.
Lazy Mountain, Alaska, United States

Sudden Snowstorm Out of Nowhere
From 10:45am until 11:50am a sudden flurry of snow came and went on an otherwise warm spring day.
Sutton-Alpine, Alaska, United States

Willow buds are happening
Buds are appearing right as we move into a 2-day cold spell of below zero nights. An adjacent willow budded a few weeks ago during a similar cycle of warmth followed by cold, and it appears to be putting some buds out, although on different branches.
Chickaloon, Alaska, United States

Hatcher Pass road likely closed all week due to avalanche danger
The Hatcher Pass Road has been closed since April 3 and will likely remain closed by the Department of Transportation and Public Facilities until at least April
Fishhook, Alaska, United States
Mat-Su Valley Frontiersman

Avalanche closes road to Hatcher Pass
Class 2 avalanche in Hatcher Pass closed down a section of the road between Mile 14 and 16. The nonprofit Hatcher Pass Avalanche Center warned that conditions in the area were dangerous and asked that people avoid the Archangel Road trail nearby.
Hatcher Pass, Alaska, United States

Late Blooming Willow (genus Salix)
Wasilla, Alaska, United States

Alaska Grown Black Walnuts
The unthinkable (ripe Alaska walnuts) a few decades ago is potentially our new reality as our climate continues to shift (warmer summers and longer falls). As our climatic parameters shift, so does our opportunity to diversify our edible plantings!
Peter's Creek
Facebook - Alaska Home Gardeners Group

A Lily (genus Lilium) is Blooming in My Garden
Late-blooming lily may benefit from warm temperatures in late September/early October.
Palmer, Alaska

Odd shaped Low-bush Cranberries (Vaccinium vitis-idaea)
Pear shaped cranberries (*Vaccinium vitis-idaea*) are likely the result of a genetic mutation.
Elmendorf Air Force Base, Alaska, United States
Regina Rovira, Matt Carlson, Katie Spellman

Northern Shrike (Lanius borealis) in Wasilla
Unusual winter sighting of a northern shrike (*Lanius borealis*) could become more common as temperatures rise.
Knik-Fairview, Alaska, United States

Narcissus (Anemone narcissiflora) Blooming in Fall
*Anemone narcissiflora*, which typically blooms in June, is experiencing a second bloom in Hatcher Pass.
Hatcher Pass, Alaska

Wasilla store contends with ‘large-scale’ rodent problem
Fred Meyer is employing an aggressive pest-control plan after customers spotted mice in the store through Southcentral Alaska’s unusually warm summer.
Wasilla, Alaska, United States

Summer heat accelerates Alaska peony harvest
On another year, Christy might just now be finishing up the harvest. But today, the only flowers left from this season are stored in a walk-in cooler.

Late Birch Leaf Edge Miner Damage
Browning on birch leaves before time for the fall season transition.
Lazy Mountain, Alaska, United States

Spruce Bark Beetle and Wood Boring Insects
"The spruce bark beetle epidemic currently ravaging Southcentral AK's spruce trees is well-known, but I haven't heard mention of other pests occurring in conjunction."
Lazy Mountain, Alaska, United States

Vegetables are mature earlier than farmers have ever seen; flowers are ready to go
“The growth-cycle this year is unprecedented,” with carrots, peas and broccoli heads “as big as a platter,” farmers market vendors say.

Early Spring Sandhill Crane (Antigone canadensis) Arrival
Meadow Lakes, Alaska, United States

Black bear filmed awake and active in Eagle River
Despite it almost being January, an Eagle River homeowner has captured footage of a black bear awake and active around her house.
KTUU

After 6 days, still no trace of couple who went missing at Big Lake
Hundreds of people have combed the terrain near Big Lake, but there’s still no sign of LaVerne and Van Pettigen.
Big Lake, Alaska, United States

Earthquake effects linger in problems with water wells
From Eagle River to Wasilla, people on private wells are contending with cloudy water -- and worse.

Beetle damage skyrockets to nearly 1 million acres in Southcentral Alaska
The latest tally of beetle kill shows more than 550,000 acres of forest with dead spruce from the ongoing infestation this year alone, much of it in Mat-Su.
Knik-Fairview, Alaska, United States

Man killed, member of search party injured in Eagle River bear attacks
Michael Soltis’ death is the second fatal bear attack in the Anchorage municipality in two summers.
Michelle Theriault Boots, ADN - Matt Tunseth, Alaska Star

Alaska restricts king salmon fishing in Susitna, Little Su and upper Inlet
Fishing businesses in Mat-Su warned that the rules could hurt the state's tourism economy.
Knik-Fairview, Alaska, United States

Unidentified Jay
Unidentified Jay sighted in southcentral Alaska, early December.
Anchorage, Alaska, United States

Ice jam causes flooding in Peters Creek area
A National Weather Service employee spotted an ice jam that's causing some minor flooding northwest of the Starner Street bridge, along Peters Creek.
KTUU

These brown bears should be hibernating, but they’re raiding trash in Eagle River instead
The bears won’t hibernate if food remains available, so the continued availability of trash in the area has created a dangerous situation, biologists say.
Alaska Dispatch News

Alaska’s farming future is warmer, and probably weirder
The state's small farms are booming amid longer growing seasons and thriving farmers markets. But climate change has also made for less predictable weather.
Alaska Dispatch News

Family watches in horror as cabin is swept away by river in Alaska
A family in Alaska watched in horror as their beloved cabin (pictured) that was built in the 1940s was swept away by the Matanuska River over the Fourth of July weekend.
Matanusak River, Alaska, United States
Mail Online

Pintail ducks (Anas acuta) early
Norther pintails observered early in the Mat-Su Valley near the Glenn Highway-Parks Highway overpass.
Gateway, Alaska, United States

Eklutna Glacier, a source of Anchorage drinking water, is disappearing drip by drip
A new study quantifies the rate at which Eklutna Glacier is losing its icy mass. Between 1957 and 2010, the loss of glacier mass averaged 5 percent a year.
Alaska Dispatch News

Storm Left Only a Few Inches of Snow
Fast moving winter storm left about 4 to 5 inches of snow in the Hunter Creek area, a tributary of the Knik River.
Butte, Alaska, United States

Visible Hue to Air - Smoke.. Smog... Silt..?
Hazy air conditions in the Mat-Su Valley, southcentral Alaska.

Matanuska River erosion prompts warning to Butte residents
Portions of the Matanuska River’s banks near Butte were “beginning to show signs of breeching” Sunday night, leading Mat-Su Borough officials to ask that area residents prepare for potential evacuations.
Butte, Alaska, United States

Unusual Wasp (Dolichovespula maculata)
Interesting wasp is black with neon stripes

Tall Fireweed (Chamerion angustifolium)

Early Mushrooms
Weeks earlier than normal.

Raspberries (Rubus idaeus) are Ripe

Early Hay (Avena sativa) Cuttings
Early hay crop harvest

Loads of Yellow Jackets / Wasps (Vespidae)
Loads of Yellow Jackets (Vespidae)

Early Fireweed (Chamerion angustifolium) Bloom
Early fireweed (Chamerion angustifolium) bloom

Flora Blooming Early in the Valley
Birch leaves bud early.

First Mosquitoe (Culicidae) of Spring
An early season?

Sure Has Been A Warm Winter
It was a very warm week of the 25th of January, on my way home it started raining pretty heavy, mind you, no snow, but rain. I was expecting maybe some wet snow, but it was not to be...

Observing Eklutna Lake Water Level
The level of Eklutna Lake seems to be very low this winter. Over the long term, decline of the Eklutna Glacier is a concern for water and energy supply.
Eklutna Lake, Alaska, United States

Dead Humpback (Megaptera novaeangliae) Near Birchwood
I was flying on Monday and found a giant beached dead humpback whale up on the mudflats near Birchwood. I see belugas all the time but never a humpback.

Early Golfing
3/24/15 Early golfing - Palmer, Alaska, USa

Unusual Caterpillar
9-10-14 Unusual caterpillar - Big Lake, Alaska, USA
Big Lake, Alaska, United States

Abundant Bees
08-17-14 Abundant bees - Eagle River, Alaska, USA

Summer Snow
7-27-14 Summer snow - Wasilla, Alaska, USA

Hot, dry weather brings wildfires near Palmer
Unseasonably warm, dry weather in a large section of the state set the stage for a roughly 20-acre wildfire near Palmer and kept authorities across Southcentral and Interior Alaska busy putting out backyard fires despite ongoing warnings against open burning.

Wildfire Smoke
Wildfire and smoke seen from Hatcher Pass, AK

Windy, No Snow
2-17-14 Windy, no snow - Wasilla, Alaska, USA

Dust, lack of snow conspire for poor air
Increasing winds may drive the air quality to become "unhealthy to hazardous," said a statement from Eileen Probasco, planning director with the Matanuska-Sustina Borough.

Alaska farmers scramble for hay
A one-two punch of mid-May snow followed by a six-week drought cut the supply of Alaska-grown hay from Homer to Fairbanks by a third to a half, state Division of Agriculture officials say.

Birch Shieldbug (Elasmostethus interstinctus) in November?
Birch shieldbug found in Wasilla home in November.

Extreme Rain & Flooding
9-21-12 Extreme rain and flooding - Wasilla, Alaska, USA

Matanuska River erosion threatens more homes
ANCHORAGE, Alaska - Swollen with recent rains, the Matanuska River has launched another erosive assault on properties along its banks. But unlike previous years, when the river attacked properties downstream,
Matanuska River, Alaska, United States
Fairbanks Daily News-Miner

Volcano eruption near Tonga was so powerful, Alaskans could hear it from 6,000 miles away
Waves of up to about 3 feet reached parts of Alaska by Saturday morning. But hours before those waves arrived, sounds from the blast reached the homes of many Alaskans - all the way from Juneau to the Aleutians.
Bristol Bay Times

Palmer digs out from major windstorm that prompted emergency declaration
Gusts over 80 mph pummeled the city, compacting snow and causing power outages for thousands. Nearly 20,000 Matanuska Electric Association members lost power Friday morning. On Point MacKenzie west of Wasilla, crews faced snow drifts so large that they needed snowmachines and snowshoes to reach areas where repairs were needed.

Avalanche leaves up to 80 feet of snow on upper Hiland Road in Eagle River but no homes hit
About 145 customers in the area were without power on Friday due to damaged equipment, according to Matanuska Electric Association. It’ll likely be at least several days before the road may be cleared.

With no dam to stop it, the Eklutna River is temporarily reborn. Many people hope to keep it alive for good.
Conservation and tribal groups in 2018 removed a downstream dam in the river northeast of Anchorage. But an upriver dam provides the cheapest energy in Southcentral Alaska. For people from the Native Village of Eklutna the river’s rebirth was an important moment. They want the 12-mile-long waterway permanently restored, along with the salmon their late elders once described as abundant.

As some in wind-blasted Mat-Su finally get power, others continue to contend with bursting pipes and frigid cold
Mat-Su schools will be closed again Wednesday, and 5,000 homes remained without electricity Tuesday night after a violent windstorm hammered the Valley.

Warm weather in Alaska highlights risk climate change poses to future Arctic Winter Games
After a warm Arctic Winter Games in Alaska, some officials and coaches have suggested moving the games up from March to February in an effort to ensure that temperatures are cold enough for winter sports.
CBC

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