Flood Watch: City and Borough of Yakutat; Glacier Bay; City and Borough of Juneau

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Flood Watch — City and Borough of Yakutat; Glacier Bay; City and Borough of Juneau Severity: Severe. Certainty: Possible. An atmospheric river, currently over the Yakutat area, is expected to continue through Tuesday. Multiple periods of heavy rain are expected for the Icy Strait corridor and northeast Gulf Coast, including the following communities: Yakutat, Elfin Cove, Pelican, Gustavus, Juneau. Elevated gusty winds are expected alongside this heavier rainfall, with the strongest winds from the southwest expected late Tuesday morning into Tuesday afternoon. Prolonged periods of moderate to heavy rain will produce significant river rises with the potential for at least minor flooding in Juneau and Gustavus. Ponding of water in low-lying areas is also possible. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...The following areas, Northeast Gulf Coast and Northern Inner Channels. This includes the cities of Yakutat, Gustavus, And Juneau. * WHEN...From 10 PM AKDT this evening through late Tuesday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, other low-lying areas and flood-prone locations. * ADDITIONAL DETAILS... - Rain totals for the Yakutat area between this morning and Tuesday evening range between 4.5-7.0 inches, with greater than 9 inches possible at elevations greater than 1000 ft. For Gustavus, rain totals ranging between 2-4 inches, exceeding 4 inches on south to southwest facing mountains along the outer coast, and exceeding 4 inches on south to southwest facing mountains at elevation in Glacier Bay and around Gustavus. For the Juneau area, rain totals have trended slightly down, ranging between 2 and 3 inches with totals exceeding 4 inches at elevations greater than 4 inches. Highest rain rates are expected overnight tonight into Tuesday with rain rates as high as 0.2 inches per hour.