262 first-hand accounts of flood events in Alaska, ranked by impact. Each is a NOAA-written narrative of the moment.
An unusually cold spring kept snowpack intact and in place over the Copper River Basin into mid May. Once temperatures started to warm, they did so quickly and rapidly melted snowpack in the basin.
Read the full account →An unusually cold spring kept snowpack intact and in place over the Copper River Basin into mid May. Once temperatures started to warm, they did so quickly and rapidly melted snowpack in the basin.
Read the full account →Ex-Typhoon Kulap's earlier impacts to the western Aleutians at the end of September were followed by more minor impacts to portions of the Southwest coast as the remnant low tracked very slowly east across the Bering Sea.
Read the full account →An extended period of very warm weather mobilized ice on the Anchor River, which caused rapid melting in January that loosened ice on the river and caused numerous ice jams along the river as ice moved from the upstream Anchor River gauge to the downstream gauge.
Read the full account →Frequent rains over the Brooks Range produced rises to bankfull on many rivers draining north toward the Arctic Ocean, as a few rivers Draining on the south side.
Read the full account →Frequent rains over the Brooks Range produced rises to bankfull on many rivers draining north toward the Arctic Ocean, as a few rivers Draining on the south side.
Read the full account →First glacier dam outburst flood on the Mendenhall Lake/River system that produced significant flood took place on July 21 2011. The source of the flood waters was from Suicide Basin and side basin on the Mendenhall Glacier, about a mile up from the glacier terminus.
Read the full account →A Bering low pushed a strong front into the Southwest Coast between December 3rd and 4th, sending strong southerly winds gusting as high as 60 to 70 mph into the coast along with a minor storm surge up to a few feet above the normal high tide line.
Read the full account →A strong front, moving north and northwest from the Gulf of Alaska, was preceded by strong easterly winds and accompanied by heavy rains. Gusts reached a reported 92 mph around the Eyak Lake area of Cordova.
Read the full account →A strong low, remnants of an old tropical weather system (with help from typhoon "Wutip"), re-developed near Adak midday Monday along an old front. The low then moved between Saint Matthew Island and Nunivak Island early Tuesday.
Read the full account →On the 12th, an ice jam formed downstream of the village of Kobuk, just upstream of Shungnak, and the river began rising overnight, moving into creeks and lakes around the village on the morning of the 13th, and inundating the lower parts of the village..then moving up to affect…
Read the full account →A series of intense tropically connected storms moved into the eastern Bering Sea beginning January 13th. The storms pushed the warm tropical air over the existing deep arctic air that had been over Alaska since the end of December 2008.
Read the full account →The Southeast Alaska region saw well above normal snowpack through out the 2020-2021 winter, recording between 175 to 200% of normal snow water equivalent.
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 →Excessive snow melt caused flooding on the Kuparuk river at Kuparuk June 1st into June 2nd. The roads in Kuparuk were flooded with 18 inches of water at the height of the flooding, according to security personnel. The water level dropped on the afternoon of the 1st.
Read the full account →Heavy rains in the northern and eastern Copper River Basin Tuesday night and Wednesday caused a significant rise in water levels on the McCarthy Creek (in the town of McCarthy).
Read the full account →An ice jam formed 1/2 mile downstream from Buckland on the Buckland River during the afternoon of the 26th causing flooding in the village of Buckland beginning the morning of the 27th. Water levels dropped on the morning of the 29th below flood levels.
Read the full account →A weather front brought high freezing levels and heavy rain to the Brooks Range. The combination of rainfall and snowmelt runoff from a late winter snowpack resulted in minor flooding along the Koyukuk River and tributaries draining the Brooks Range.
Read the full account →A weather front brought high freezing levels and heavy rain to the Brooks Range. The combination of rainfall and snowmelt runoff from a late winter snowpack resulted in minor flooding along the Koyukuk River and tributaries draining the Brooks Range.
Read the full account →Strong low pressure developed in the Bering Sea and pushed a front through the Bering Strait and to the West Coast of Alaska. The strongest winds were associated with the front.
Read the full account →Strong low pressure developed in the Bering Sea and pushed a front through the Bering Strait and to the West Coast of Alaska. The strongest winds were associated with the front.
Read the full account →Heavy rainfall observed on December 20,2022 prompted a flood warning for Unalaska, a city along the Aleutian Chain, where 3-4 inches of rainfall led their Public Safety to issue a precautionary Cat 2 travel advisory (only drive when necessary; Cat 3 closes travel).
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 →Throughout spring and the first part of the summer Suicide Basin, a side valley that is dammed by the Mendenhall Glacier, filled with water from snowmelt and rainfall.
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