262 first-hand accounts of flood events in Alaska, ranked by impact. Each is a NOAA-written narrative of the moment.
A deep trough of low pressure with a long fetch from the North Pacific to the Gulf of Alaska produced a very strong and wet weather system. The weather front slammed into Alaska's southeast panhandle from late July 22nd and persisted through the 24th.
Read the full account →A low pressure system moved out of the North Pacific and drifted into the Northwest Gulf of Alaska by July 27. The low pressure remained there and weakened through the next few days.
Read the full account →A persistent anomalous high amplitude upper level ridge over the eastern Pacific and western North America started to build to the north and cutoff over Southeast Alaska in mid January.
Read the full account →An ice jam formed on the Yukon River 20 miles downstream of Nulato causing flooding of the village of Nulato and Koyukuk. At Nulato the water reached maximum height at 0500 ADT on the morning of the 19th....reaching a marking of 2.2 on the Corps of Engineers gage.In Nulato, a…
Read the full account →The annual spring river ice break up resulted in extensive flooding along the Kuskokwim river over the 11 days it took for the river to open up from its head waters in the Kuskokwim Valley to the mouth of the Kuskokwim River on the Bering Sea coast.
Read the full account →An ice Jam formed 7 to 12 miles downstream from the village of Hughes on the Koyukuk River, causing flooding of the village on the 13th. The airport's connection from the apron to the runway was washed out and a few portions of the apron were damaged.
Read the full account →Rain (26th-27th, and 30th-31st) over the northern Koyukuk Valley and northwest Upper Yukon Valley combined with rapid snowmelt to cause flooding on the Koyukuk River and the Chandalar River. High water on the Chandalar River at Venetie caused flooding of the sewage pond.
Read the full account →A strong and very moist weather front with a tropical connection moved across Southeast Alaska January 13 and 14. An anomalous ridge of high pressure set up over the eastern Pacific and western North America during the first week of January.
Read the full account →A weather system moved in from the Upper Tanana Valley on the 18th and stalled over the area through the 20th, dropping two to five inches of rain across the basins of the Chena, Salcha, and Goodpaster Rivers on the 18th through 20th.
Read the full account →A weather system moved west over Denali National Park on the night of the 26th and morning of the 27th, dropping four and one quarter inches of rain over the western portion of the Park in a short amount of time, according to the Wonder Lake RAWS.
Read the full account →A moderate low moved from the southwest Bering Sea to the Bering Strait Friday evening, October 22nd. This resulted in strong gusty west wind that briefly peaked at 85 mph in the Pribilof Islands.
Read the full account →An ice jam formed downstream of Alakanuk causing water to rise in Alakanuk and Emmonak on the 4th into the morning of the 6th. Water flowed over the road to the airport in each village....it was 2-3 feet deep in spots at Alakanuk.
Read the full account →A strong and very moist weather front with a tropical connection moved across Southeast Alaska January 13 and 14. An anomalous ridge of high pressure set up over the eastern Pacific and western North America during the first week of January.
Read the full account →An ice jam formed in front of the village of Buckland along the Buckland River. The ice jam caused the water levels to rise rapidly during the afternoon hours of the 20th. Many roads were flooded, and the village dump was submerged.
Read the full account →A weather system moved in from the Upper Tanana Valley on the 18th and stalled over the area through the 20th, dropping two to five inches of rain across the basins of the Chena, Salcha, and Goodpaster Rivers on the 18th through 20th.
Read the full account →On the night of the 27th a frontal system moved from the Gulf of Alaska northwest over the southern interior to near Fairbanks on the evening of the 28th, then moved slowly back to the southeast before dissipating on the 29th.
Read the full account →A large and strong low moved up the North Pacific into the eastern Bering Sea, peaking in strength as it moved up the Kuskokwim Delta. The orientation of the low's front was ideal for strong winds across Southcentral Alaska.
Read the full account →Ex-Typhoon Halong brought high winds and severe coastal flooding to the West Coast of Alaska from October 11th to 13th. The storm caused severe coastal flooding in the Kuskokwim River Delta and high water levels extending north to the Yukon River Delta.
Read the full account →A strong storm in the north Pacific moved into the eastern Bering Sea Monday October 8th. This storm produced strong wind along and in advance of a strong weather front associated with the storm.
Read the full account →The ice breakup along the Kuskokwim River during the spring of 2025 produced less ice jam flooding compared to an average spring season. Still, areas of mostly minor flooding did occur with occasional ice jams along parts of the river channel as the breakup front moved towards…
Read the full account →During the second and third weeks of June 2025, the North Slope of Alaska experienced significant flooding as a result of rapid snowmelt. The region underwent one of its latest seasonal breakups on record, driven by persistently below-average to record-low temperatures…
Read the full account →During the second and third weeks of June 2025, the North Slope of Alaska experienced significant flooding as a result of rapid snowmelt. The region underwent one of its latest seasonal breakups on record, driven by persistently below-average to record-low temperatures…
Read the full account →A strong low pressure system moved out of the North Pacific Ocean on September 14th and into the Gulf of Alaska through September 15th. The weather front associated with this strong low tapped into sub-tropical moisture as it lifted out of the North Pacific and transported this…
Read the full account →A weather system moved in from the Upper Tanana Valley on the 18th and stalled over the area through the 20th, dropping two to five inches of rain across the basins of the Chena, Salcha, and Goodpaster Rivers on the 18th through 20th.
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