262 first-hand accounts of flood events in Alaska, ranked by impact. Each is a NOAA-written narrative of the moment.
A strong front moved through the Panhandle on the morning of Tuesday August 18th. This system had abundant amount of moisture associated with the cold front as the system originated from the North Pacific and was able to tap into tropical moisture.
Read the full account →A series of strong, wet storm systems hit Southcentral Alaska in mid-September. Each storm followed nearly the same track along the Alaska Peninsula then along the Bering Sea coast, setting up a strong moist fetch into the Southcentral Alaska.
Read the full account →An area of low pressure moved out of the Gulf of Alaska and to the Alaska-Yukon border on the 11th. As the low moved southeast and into the southern Yukon moisture wrapped around the low and produced heavy rainfall across the Fortymile County.
Read the full account →The remnants of Typhoon Halong in the northern Pacific Ocean began approaching the Bering Sea on Saturday, October 11, 2025, as they merged with a deep upper-level low east of Russia���s Kamchatka Peninsula.
Read the full account →Since 2011, Suicide Basin, a side valley that is dammed by the Mendenhall Glacier, fills with water from snowmelt and rainfall then drains during the summer as a glacial outburst flood.
Read the full account →Since 2011, Suicide Basin, a side valley that is dammed by the Mendenhall Glacier, fills with water from snowmelt and rainfall then drains during the summer as a glacial outburst flood.
Read the full account →The remnants of Typhoon Halong in the northern Pacific Ocean began approaching the Bering Sea on Saturday, October 11, 2025, as they merged with a deep upper-level low east of Russia���s Kamchatka Peninsula.
Read the full account →Since 2011, Suicide Basin, a side valley that is dammed by the Mendenhall Glacier, fills with water from snowmelt and rainfall then drains during the summer as a glacial outburst flood.
Read the full account →After a cool start to the month of June which slowed the melting of the mountain snowpack, Palmer quickly warmed up from June 10 through 21, 2025. In this timeframe, the Palmer airport reported six days of 70��F or above temperatures with a high of 75��F on June 19th.
Read the full account →A low pressure system over the Western Aleutian Islands moved into the central Bering Sea the night of Sunday, October 6th, rapidly intensifying into a strong coastal storm.
Read the full account →A low pressure system over the Western Aleutian Islands moved into the central Bering Sea the night of Sunday, October 6th, rapidly intensifying into a strong coastal storm.
Read the full account →A large plume of concentrated moisture or Atmospheric River (AR) with an associated low-pressure system moved across the Pacific Ocean and transported tropical moisture from the southwest which impacted Southeast Alaska (SEAK) from December 1st through December 2nd.
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 →An atmospheric river moved up from the North Pacific into Southcentral Alaska and produced widespread moderate rainfall between August 27th and August 29th.
Read the full account →An atmospheric river moved up from the North Pacific into Southcentral Alaska and produced widespread moderate rainfall between August 27th and August 29th.
Read the full account →An atmospheric river moved up from the North Pacific into Southcentral Alaska and produced widespread moderate rainfall between August 27th and August 29th.
Read the full account →Warm weather in the western Susitna caused snow and glacial melt in the upper reaches of the basin. A prolonged period of warm weather in late June and early July caused melting of high altitude snow and glaciers in the Alaska Range.
Read the full account →Warm weather in the western Susitna caused snow and glacial melt in the upper reaches of the basin. A prolonged period of warm weather in late June and early July caused melting of high altitude snow and glaciers in the Alaska Range.
Read the full account →An ice jam formed on the Tanana River downstream of Manley Hot Springs and caused significant flooding along the Tanana River upstream of the ice jam for approximately 15 miles.
Read the full account →A major weather change, that began Tuesday, January 19th, gained momentum as the days moved ahead to Thursday, January 21st. A moderate 974mb low curved northeast to its position just south of Shemya at 3am Thursday.
Read the full account →A strong atmospheric river with sub-tropical moisture moved out of the north Pacific and over Southeast Alaska. This impacted the northern inner channels with 24 to 36 hours of heavy precipitation from a deep upper level trough with a long fetch transporting a significant amount…
Read the full account →A large plume of concentrated moisture or Atmospheric River (AR) with an associated low-pressure system moved across the Pacific Ocean and transported tropical moisture from the southwest which impacted Southeast Alaska (SEAK) from December 1st through December 2nd.
Read the full account →Warm temperatures and extreme snow melt and ice jams caused flooding of the Sagavanirktok (Sag) River for portions of the Dalton Highway and northward to the Deadhorse airport.|Several construction pads south of the airport were flooded on the west side of the highway.
Read the full account →A large plume of concentrated moisture or Atmospheric River (AR) with an associated low-pressure system moved across the Pacific Ocean and transported tropical moisture from the southwest which impacted Southeast Alaska (SEAK) from December 1st through December 2nd.
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