Weather Alerts for Lower Kuskokwim ValleyIssued by the National Weather Service |
Flood Advisory
COASTAL FLOOD ADVISORY | ||
LOWER KUSKOKWIM VALLEY | ||
Areas Affected: Kuskokwim Delta |
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Effective: Sat, 9/14 3:30pm | Updated: Sun, 9/15 3:55pm | Urgency: Expected |
Expires: Mon, 9/16 1:00am | Severity: Minor | Certainty: Likely |
Details:
* LOCATION...Along the Kuskokwim Delta coast from the mouth of the Kuskokwim River to Newtok, including the communities of Kongiganak, Kwigillingok, Kipnuk, Tununak, and Newtok. * COASTAL FLOODING...Water levels as high as 2 to 5 feet above normal highest tide around time of high tides on Saturday and Sunday. * TIMING...The exact timing of highest water levels and flood potential will coincide with high tides, which will vary from location to location, but for most locations will be mid morning through early afternoon. For Newtok, where tidal cycles are influenced by the Ninglick River, there will be a peak in water levels midday Sunday, then another late Sunday evening into the overnight hours. * IMPACTS...Coastal erosion and minor flooding of low lying areas. * ADDITIONAL DETAILS...Water levels for most areas peaked late this morning with high tide. A higher peak is expected for Sunday morning's high tide, especially for west coast communities such as Kipnuk and Newtok. Winds will strengthen this evening, with southwesterly gusts as high as 45 mph expected overnight tonight through Sunday morning. Winds will diminish and water levels will fall on Monday. Information: A coastal flood advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Take action to protect property by moving items to higher ground and away from water. Stay tuned to forecast updates. |
FLOOD ADVISORY | ||
LOWER KUSKOKWIM VALLEY | ||
Areas Affected: Kuskokwim Delta |
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Effective: Sat, 9/14 3:29pm | Updated: Sun, 9/15 3:55pm | Urgency: Expected |
Expires: Sun, 9/15 4:00pm | Severity: Minor | Certainty: Likely |
Details:
* WHAT...Minor flooding caused by storm surge along the coast and winds backing up flow along the Lower Kuskokwim River is likely. * WHERE...Along and near the lower Kuskokwim River from Bethel to the mouth of the Kuskokwim River, related tributaries and low lying areas including: Bethel, Napakiak, and nearby Tundra villages. * WHEN...Until 400 PM AKDT Sunday. * IMPACTS...Minor flooding of low-lying areas is likely during times of high tide on Sunday. River bank erosion is also possible. * ADDITIONAL DETAILS... - At 317 PM AKDT, water levels have peaked with high tide today and are falling along the Lower Kuskokwim River. However, southwesterly winds across the Kuskokwim Delta will strengthen this evening and peak overnight tonight through Sunday morning with gusts as high as 45 mph. The strong persistent winds off the Bering Sea are expected to lead to higher water levels and an increased chance of minor flooding during time of high tide on Sunday. - Water levels look lower than what was observed during the August 18 through August 19 flood event. Thus, flood impacts do not look like they will be as severe as they were during the August storm. - Though high water and possible minor flooding is expected at most villages along the lower Kuskokwim river from Bethel downriver during this timeframe, Napakiak has historically experienced the most severe impacts in this region during up river surge events. Tuntutuliak is also favored for flooding in this scenario. - http://www.weather.gov/safety/flood Information: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. |