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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

No Permanent Winter Ice and Early Break Up For Nome
Nome, Alaska, United States

Early leafing of trees this spring
Sherwood Park, Alberta, Canada

Dry winter and low water table in Southern Alberta
Okotoks, Alberta, Canada

Record High Temperatures for April 18, 2016
Vancouver, British Columbia, Canada

Early Spring / Early Waterfowl
Early spring and early waterfowl
St. Mary's, Alaska, United States

From winter to summer: Where is the spring in Toronto?
Toronto, Ontario, Canada

Second year of unusual seasonal temperatures: affects black bears and native plant growth?
Whistler, British Columbia, Canada

Unusually High March Temperatures
Unseasonably warm in Arctic.
Kotzebue, Alaska, United States

March Rainbow
Have you ever heard of such a thing? In Anchorage?
Anchorage, Alaska, United States

Flooding on Mackenzie Valley Winter Road
Tulita, Northwest Territories, Canada

Early Iceberg Season - Eastern Newfoundland and Labrador
Canada and U.S. Coast Guard Monitoring Conditions
Ellsiton, Newfoundland, Canada

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...
Wasilla, Alaska, United States

Unusually Warm In Northwest Arctic
Above normal temperatures in the Northwest Arctic region
Kivalina, Alaska, United States

Start of January felt like early springtime
The start of January 2016 felt like it was early springtime.
Kwethluk, Alaska, United States

Winter Storm Grounds Birds
Winter storm grounds birds along the shores of Iliamna Lake.
Iliamna, Alaska, United States

Warm Wind with Drizzling Rain
A heatwave in Unalakleet, Alaska.
Unalakleet, Alaska, United States

Thunder & Lightning
Unusual weather event; thunderstorm and fluctuating temperatures
King Cove, Alaska, United States

Unseasonably Warm and Rainy
Nome was hit by unseasonably warm temperatures and strong winds.
Nome, Alaska, United States

Unseasonably Warm
Very warm conditions for this time of year in Southcentral Alaska
Turnagain Arm, Alaska, United States

Warm Storms Bring Winter Melt
At lower elevations, there has been melting, hurricane force winds and rain, which have stripped away the snow and left the trails bare, wet, and icy.
Anchorage, Alaska, United States

Extreme Weather
High rate of change in weather conditions
Unalakleet, Alaska, United States

Arribazon atípica de sargazo
Andrés Quintana Roo, Quintana Roo, Mexico

Lightening and Wildfire
There were lightning strike-caused fires at Paul's Creek and Coffee Creek north of King Salmon, AK.
King Salmon, Alaska, United States

Late Snow
4/20.15 Late snow - King Cove, Alaska, USA
King Cove, Alaska, United States

Lightning and thunder
4/20/14 Thunder and lightening - King Cove, Alaska, USA
King Cove, Alaska, USA

Lighting Strikes
Nome experienced 2 lightning strikes and thunder Monday morning during a snow squall.A
Nome, Alaska, United States

Record High Temperatures
1-9-15 Record high temperatures - Bethel, Alaska, USA
Bethel, Alaska, United States

Coastal Erosion
Weekend storm eroded the face of the sea wall.
Togiak, Alaska, United States

Unseasonably Warm Weather
We used to be able to go ice fishing in the lagoon as well as ice skating. Now community members are using a net to get the tomcods.
Nanwalek, Alaska, USA

Winter River Breakup
11-18-14 Winter river break-up - Kongiganak, Alaska, USA
Kongiganak, Alaska, United States

Unseasonably Warm
11-15-14 Unseasonably warm - Kwinhagak, Alaska, USA
Kwinhagak, Alaska, United States

Unseasonably Warm
11-13-14 Unseasonable warm - Unalakleet, Alaska, USA
Unalakleet, Alaska, United States

Unseasonably Warm and Bad Ice
11-11-14 Unseasonable warm - Ruby, Alaska, USA
Ruby, Alaska, United States

Unseasonably warm and raining
11-01-14 Unseasonably warm - Pitkas Point, Alaska, USA
Pitka's Point, Alaska, United States

Unseasonable weather
10-10-14 Unseasonable weather - St. Michael, Alaska, USA
St. Michael, Alaska, USA

Funnel Cloud
A funnel cloud was sighted minutes after it passed us.
Nightmute, Alaska, United States

BC Peace River Region - 2014 Drought
Dawson Creek, British Columbia, Canada

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

Unusually Cold and Snow
5-30-14 Unusually cold and snow - King Cove, Alaska, USA
King Cove, Alaska, United States

Laysan albatross chicken die-off linked to Santa Ana winds
Laysan albatross chickens died from causes related to abnormal Santa Ana winds
Campamento Sur, Baja California, Mexico
Daniela Munguía, Julio Montoya, Yutzil Lora Cabrera

Seasonal Change
2-25-14 Seasonal change - Nightmute, Alalska, USA
Nightmute, Alaska, USA

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

Heavy Rains and Flooding
Heavy rains and flooding.

Where is the Snow?
1-27-14 Where is the snow - St. Mary's Alaska, USA
St. Mary's, Alaska, United States

Lack of Snow
1-24-14 Lake of snow - Nanwalek, Alaska, USA
Nanwalek, Alaska, United States

Finally snow - then rain
1-20-14 Snow then rain - Shaktoolik, Alaska, USA
Shaktoolik, Alaska, USA

Loss of Fuel Header Due to Coastal Erosion
Fuel headers leading to bulk fuel farm out of service due to coastal erosion.
Port Heiden, Alaska, United States

Where is the Snow?
1-3-14 Where is the snow - Solomon, Alaska, USA
Solomon, Alaska, United States

Unusually Warm
Unusually warm weather in Port Heiden.
Port Heiden, Alaska, United States

Unseasonal Warm Winter
12-7-13 Unseasonably warm weather - Quinhagak, Alaska USA
Quinhagak, Alaska, United States

Weather Effects Caribou Migration and Season
11-11-13 Weather effects caribou migration and season - Barrow, Alaska, USA
Utqiaġvik, Alaska, United States

Storm Surge
Early fall weather conditions brought on an extreme storm surge in a Norton Sound community.
Shaktoolik, Alaska, United States

Storm Damage
Series of storms contribute to flooding, erosion, infrastructure damage.

Warm and Wet Halloween
Anchorage is having the warmest October on record with an average temperature of 43 degrees. That will beat the record set in 1936 and residents are remarking on the novelty of having green grass and rain on Halloween.
Anchorage, Alaska, United States

Warm weather delays subsistence
10-24-13 Warm weather delays subsistence - Shaktoolik, Alaska, USA
Shaktoolik, Alaska, USA

Too Wet for Food Preserving
10-15 13 Too wet for food preservation - Elim, Alaska, USA
Elim, Alaska, United States

Sewage Lagoon Vulnerable - Coastal Erosion
Coastal erosion potential threat to community sewage lagoon.
Quinhagak, Alaska, United States

Heat illness
7-22-13 Heat illness - Nondalton, Alaska, USA
Nondalton, Alaska, USA

Unusual Lightning
Residents were amazed to see lightning actually arching down to the ground.
Atqasuk, Alaska, United States

Extreme Temperatures
6-19-13 Extreme temperature Bethel, Alaska, USA
Bethel, Alaska, United States

Extreme Heat
6-18-13 Extreme heat - Koyukuk, Alaska, USA
Koyukuk, Alaska, United States

Poor Sea Ice - Our Sea Garden
The sea is our garden for food and other things.
Wales, Alaska, United States

Late Winter Storm
We are having an unseasonable snow storm in southcentral Alaska.

Storm Disrupts Transportation
Severe storms wreak havoc to a Bering Sea community; the following weather conditions contributed to flooding, disrupting transportation routes, electrical transformers and seepage into local water wells.
Port Heiden, Alaska, United States

Snow Well Below Normal
Half of what we usually have this time of year.

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

Windfall creates flood hazard
9-5-12 Windfall causes flood hazard - Anchorage, Alaska, USA

Heat lightning
9-1-12 Heat lightning - Kiska Island, Alaska, USA
Kiska Island, Alaska, USA

Extreme Rain and Flooding
It has been raining nonstop the entire month of August
Kivalina, Alaska, United States

4-25-12 Unseasonably warm - Evansville, Alaska, USA
Evansville, Alaska, United States

Wildfires burn in the Cariboo
Alexandria, British Columbia, Canada

Permafrost Thaw Threatens Ice Cellars
Arctic food storage system at risk.
Point Hope, Alaska, United States
Jacob Bell, Ryan Brubaker, Mike Brubaker

Tent Caterpillar Infestation
At one point our entire red brick house was covered in the black caterpillars trying to reach the adjacent forest. The silk web-like nests began to appear on our trees in May and within weeks, the forests foliage was decimated.
Woodford, Ontario

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