ESFAFG
Locations Impacted
Western Arctic Plains-Romanzof Mountains-Central Arctic Plains-Central Beaufort Sea Coast-Howard Pass and the Delong Mountains-Eastern Beaufort Sea Coast-Central Brooks Range
Summer is expected to finally arrive in the Brooks Range and on the North Slope. Near normal temperatures, which include above freezing overnight temperatures, are predicted as we enter next week.
Most of the remaining snowpack is in the foothills and mountains where temperatures will be highest. This could lead to rapid melt and river rises.
Most of the ice on the larger rivers has already moved out which leaves more room to accommodate the increasing snowmelt. This contrasts with last year's late breakup when the snowmelt all entered the river systems while ice was mainly still in place.
Rising and water levels in rivers can be expected as this melt is initiated and moves through the river systems this weekend and into next week.
ESFAFG ...Locations Impacted... Western Arctic Plains-Romanzof Mountains-Central Arctic Plains-Central Beaufort Sea Coast-Howard Pass and the Delong Mountains-Eastern Beaufort Sea Coast-Central Brooks Range Summer is expected to finally arrive in the Brooks Range and on the North Slope. Near normal temperatures, which include above freezing overnight temperatures, are predicted as we enter next week. Most of the remaining snowpack is in the foothills and mountains where temperatures will be highest. This could lead to rapid melt and river rises. Most of the ice on the larger rivers has already moved out which leaves more room to accommodate the increasing snowmelt. This contrasts with last year's late breakup when the snowmelt all entered the river systems while ice was mainly still in place. Rising and water levels in rivers can be expected as this melt is initiated and moves through the river systems this weekend and into next week.
ESFAFG
Locations Impacted
Central Brooks Range-Central Arctic Plains-Romanzof Mountains-Central Beaufort Sea Coast-Howard Pass and the Delong Mountains-Western Arctic Plains-Eastern Beaufort Sea Coast
Summer has arrived in the Brooks Range and on the North Slope. Warmer temperatures including above freezing temperatures overnight are expected through early next week. Additionally, rainfall amounts ranging from 0.5 to 1.0 inches are now expected between Sunday night and Wednesday morning.
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.
Rising water levels in rivers can be expected as this melt is initiated and moves through the river systems this weekend and early next week.
ESFAFG ...Locations Impacted... Central Brooks Range-Central Arctic Plains-Romanzof Mountains-Central Beaufort Sea Coast-Howard Pass and the Delong Mountains-Western Arctic Plains-Eastern Beaufort Sea Coast Summer has arrived in the Brooks Range and on the North Slope. Warmer temperatures including above freezing temperatures overnight are expected through early next week. Additionally, rainfall amounts ranging from 0.5 to 1.0 inches are now expected between Sunday night and Wednesday morning. 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. Rising water levels in rivers can be expected as this melt is initiated and moves through the river systems this weekend and early next week.
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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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