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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

3 heli-skiers killed in massive avalanche near Girdwood
This is Alaska’s first fatal avalanche reported this season. It is also the country’s deadliest since February 2023.
Girdwood, Alaska
Alaska Public Media

Devastated by the Destructive Power of Natural Forces
A severe storm over the weekend battered businesses at Fiskislóð 31 in Reykjavík, with colossal waves breaching coastal defenses and flooding inland areas, leaving significant structural and economic damage.
Reykjavík, Capital Region, Iceland
Vísir

‘Prepared to be adaptable’: Mushers leave Fairbanks to officially launch a historic 53rd Iditarod
The Iditarod Trail Committee announced that poor snow conditions made the traditional southern route untenable, forcing organizers to move the start nearly 300 miles north, from Willow to Fairbanks. The novel 1,128-mile route passes through Interior Alaska with a loop on the Yukon River. “We are all rookies,” Big Lake musher Nicolas Petit joked.
Fairbanks, Alaska, United States
Anchorage Daily News

The Wave Drove Cars and People into the Sea
Two individuals were swept into the sea near Akranes harbor when a large swell unexpectedly engulfed the area, dragging along cars and a pedestrian. They were rescued by emergency services, with one later transferred to a hospital in Reykjavík.
Akranes, Iceland
Vísir

Anchorage snowpack officially drops to zero, rare for early March
The National Weather Service says the city has had no snow at this point in the season only twice before. On average, that doesn’t usually happen until halfway through April. Last year, which turned out to be the second snowiest on record, more than 2 feet blanketed the ground on March 3.
Anchorage, Alaska, United States
Anchorage Daily News

Coastal Flooding Causes Major Damage in Seltjarnarnes
Seawater breached sea walls in Seltjarnarnes this morning causing major damage to homes and infrastructure, with emergency services working to pump out water and warnings of further flooding tonight.
Seltjarnarnes, Capital Region, Iceland
Iceland Review

On the Verge of Meteorological Spring in Luleå: 'No Brutal Cold'
Above-zero temperatures are rapidly melting the snow cover in Luleå, prompting questions about the future of winter.
Luleå, Norrbotten, Sweden
Kuriren

Significant flooding impacts areas around the Inland Northwest after weekend snowmelt
Flooding caused by rapid snowmelt and rain in the Inland Northwest led to multiple road closures and forced highway maintenance crews to pump water off major roadways.
Spokane, Washington, United States
Spokesman.com

2025 Fur Rondy kicks off amid low snow winter
The 90th annual Fur Rendezvous Festival kicked off Thursday around Anchorage and is expected to feature its traditional late-winter celebration, despite a winter season marred by low snowfall.
Anchorage, Alaska, United States

Fur Rendezvous is here, but the snow is a no-show
Anchorage starts the Fur Rendezvous Festival with only a trace of snow on the ground under unexpectedly mild winter conditions, although dump trucks delivered snow to the racecourse for event activities.
Anchorage, Alaska, United States
KTUU

New explosive activity on Atka volcano in Alaska
A watch was issued for the Atka Volcanic Complex following a small explosive event that may have released a limited amount of volcanic ash. The Alaska Volcano Observatory is closely monitoring activity using seismic data, infrasound sensors, and web cameras.
Atka, Alaska, United States
KTUU

'Stay alert': Unalaska eagles begin nesting season early
Eagles in Unalaska are nesting earlier than usual, prompting local authorities to caution residents about potentially aggressive territorial behavior near the nests.
Unalaska, Alaska, United States
KUCB

Anchorage’s scarcity of new snow since December sets dismal record
Anchorage has experienced its lowest snowfall from December to mid-February since records began in 1953, with only 4.3 inches, leading to significant changes in winter events like the Iditarod and Fur Rondy due to unseasonably warm, windy weather.
Anchorage Daily News

Two Earthquakes Occur Near the Chukotkan Village of Lavrentiya
On Wednesday, February 12, two earthquakes occurred off the coast of Chukotka, with the village of Lavrentiya being closest to the epicenter, although residents did not feel the tremors.
Lavrentiya, Chukotka Autonomous Okrug, Russia
prochukotku.ru

Three new non-native species found in Prince William Sound
A recent survey in Prince William Sound identified three new non-native species, including the newly discovered Monocorophium acherusicum, which may spread due to its adaptability to local conditions, prompting recommendations for ongoing monitoring and prevention efforts.
Tatitlek, Alaska, United States
KTUU

Forest Service warns Juneau residents to stay away from Mendenhall Glacier amid calving concerns
The U.S. Forest Service has warned Juneau residents to avoid the Mendenhall Glacier due to a large crack that could lead to significant calving, posing risks to those recreating on the frozen lake.
Juneau, Alaska, United States
Alaska Public Media

Glacier calves into Portage Lake, stranding 2 skaters and underscoring risks of recreation on ice
A window of cold and clear weather has drawn hundreds of people to skate, bike and walk on the lake ice in recent days.
Portage, Alaska, United States

Ice unexpectedly departs from Nome's shore
On February 10-11, 2025, unusually mild weather in Nome led to shorefast ice breaking free from the coastline, leaving deep blue water visible where ice had long persisted.
Nome, Alaska, United States
KNOM Radio Mission

In shocking first, sea ice breaks off in mid-February
In February 2025, unexpectedly weak sea ice broke off near Nome, Alaska, marking the first recorded early detachment of shorefast ice. Local subsistence hunters and climate specialists warn the event could disrupt the regional ecosystem and traditional hunting practices.
Nome, Alaska, United States
The Nome Nugget

Poor snow cover cancels Ski for Women
Due to a diminished snowpack on the central Kenai Peninsula, the Ski for Women event at Tsalteshi Trails near Soldotna, Alaska has been canceled, though organizers remain hopeful about the upcoming Tour of Tsalteshi.
Soldotna, Alaska, United States
Peninsula Clarion

The Wind Carried Away a Sauna in Hafnarfjörður
On February 6, 2025, an extreme wind event in Hafnarfjörður, Iceland, led to a surprising occurrence near the Óseyrarbraut roadway.
Hafnarfjörður, Capital Region, Iceland
Vísir

After man disappears, locals and state officials warn of the dangers of ice skating on Chilkoot Lake
Tom McGuire, a 79-year-old Haines author and backcountry adventurer, fell through the ice while skating alone on Chilkoot Lake, triggering an extensive search by local volunteers and state officials.
Haines, Alaska, United States
Chilkat Valley News

The Ring Road Has Broken Apart at Two Locations
Flood waters have washed over protective fences, causing the ring road near Jökulsá í Lóni and the road at Karlsstaðarvita in Berufirði to break apart and become impassable.
Berufir, Eastern Region, Iceland

Lightning Strikes Hallgrímskirkja Church During Storm
Lightning struck the iconic Hallgrímskirkja Church tower in Reykjavík during a storm, with video footage capturing the event. Officials report no significant damage aside from a temporarily affected spotlight.
Reykjavík, Capital Region, Iceland
Iceland Review

Extreme Winds Cause Widespread Damage in Stöðvarfjörður
Severe winds reaching 57 m/s caused extensive damage in Stöðvarfjörður, East Iceland, with several houses losing roofing sheets and numerous windows shattered, leading to significant repair work and transportation disruptions.
Stöðvarfjörður, East Iceland, Iceland
Iceland Review

‘He could have died’: Pro snowboarder left frustrated with rescue process after avalanche swept friend away
A professional snowboarder criticized the prolonged five‐hour rescue effort after an avalanche swept a backcountry skier down a mountain, cautioning that every minute matters in life‐or‐death situations.
KTVA

Earthquake shakes Southcentral Alaska
Residents from Anchorage to Peters Creek felt a 4.3 magnitude earthquake that struck west of Anchorage, with its epicenter about 29 miles away, although no damage or injuries have been reported.

Beaufort Sea ice cuts fiber-optic cable, limiting internet for about 20,000 residents of Northwest Alaska through summer
Shifting sea ice patterns resulting from climate change are imperiling the subsea cable in ways the company did not plan for.The subsea cable is owned by Quintillion but affects companies delivering internet access to residents, schools and local governments.
Prudhoe Bay, Alaska, United States

Earthquake South of Diomede, No Injuries Reported
A magnitude 5.0 earthquake struck about 20 miles south of Little Diomede on February 3, 2025, with residents in the region feeling the tremor but reporting no injuries. Seismic events along the Bering microplate have happened before, although they’re not common. The largest on record was a magnitude 7.3 earthquake near Huslia in 1958.
Little Diomede, Alaska, United States
KNOM Radio Mission

Mild winter draws first migratory birds back
Early sightings of migratory birds in southwest Finland, including bean and greylag geese, suggest milder winter conditions and highlight the impact of climate change on traditional migratory patterns.
Parainen, Southwest Finland, Finland
Yle News

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