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WHAT: Flooding caused by rain and snowmelt is possible.
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WHERE: Dalton Highway, Sag, Colville, Kuparuk Rivers and their tributaries.
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WHEN: Through Wednesday morning.
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IMPACTS: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Access to roads, airstrips, and low-lying infrastructure may be affected. High flows could lead to bank erosion that could threaten nearby roads.
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ADDITIONAL DETAILS:
- Temperatures in the Brooks Range will be warming into the 60s and low 70s for highs and staying above freezing with low temperatures in the upper 30s to mid 40s over the next several days. The Arctic Plain and Coast will have temperatures ranging from about 40F to 60F with lows in the mid 30s to mid 40s.
Rain is expected from Sunday night through Wednesday morning across a wide swath of the Brooks Range and North Slope with amounts ranging from 0.5 to 1.0 inches.
Most of the remaining snowpack is in the foothills and mountains where temperatures and rainfall will be highest. The combination of snow melt and rainfall is increasingly likely to result in river rises.
Most of the ice on the larger rivers has already moved out which leaves more room to accommodate the snowmelt and rainfall. This contrasts with last year's late breakup when the snowmelt all entered the river systems while ice was mainly still in place.
* WHAT...Flooding caused by rain and snowmelt is possible. * WHERE...Dalton Highway, Sag, Colville, Kuparuk Rivers and their tributaries. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Access to roads, airstrips, and low-lying infrastructure may be affected. High flows could lead to bank erosion that could threaten nearby roads. * ADDITIONAL DETAILS... - Temperatures in the Brooks Range will be warming into the 60s and low 70s for highs and staying above freezing with low temperatures in the upper 30s to mid 40s over the next several days. The Arctic Plain and Coast will have temperatures ranging from about 40F to 60F with lows in the mid 30s to mid 40s. Rain is expected from Sunday night through Wednesday morning across a wide swath of the Brooks Range and North Slope with amounts ranging from 0.5 to 1.0 inches. Most of the remaining snowpack is in the foothills and mountains where temperatures and rainfall will be highest. The combination of snow melt and rainfall is increasingly likely to result in river rises. Most of the ice on the larger rivers has already moved out which leaves more room to accommodate the snowmelt and rainfall. This contrasts with last year's late breakup when the snowmelt all entered the river systems while ice was mainly still in place. - Http://www.weather.gov/aprfc
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information.
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