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Flood in Anchorage Muni To Bird Creek, Alaska

Flood September 21, 2023 · Anchorage Muni To Bird Creek, Alaska

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

NWS Radar indicated that 0.5-1.0 inches of rainfall fell the evening of September 20, leading to a rapid response along Chester Creek at its intersection with Arctic Boulevard. Soil conditions in the Chester Creek Basin were already saturated, causing the heavy rainfall to flood nearby bike paths and low lying areas along Chester Creek. Heavy rains also caused some storm drainages to back up and flood roads in low lying areas of Anchorage in the Chester Creek Basin.

The wider storm

Heavy rain over a short period of time, on already saturated soils, caused rapid rises and minor flooding along Chester Creek, in downtown Anchorage.

Began near Anchorage (61.2200, -149.9000).

Source: NOAA Storm Events Database, event 1129882. Narratives are written by the National Weather Service forecast office that issued the report.

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