Alaska Extended Forecast Discussion NWS Weather Prediction Center College Park MD 516 PM EST Sun Jan 10 2021 Valid 12Z Thu Jan 14 2021 - 12Z Mon Jan 18 2021 ...Guidance/Uncertainty Assessment... With high pressure dominating across much of the interior region, the focus for sensible weather will reside along the coastal areas and panhandle where a deep surface low is still forecast to lift through late in the work week /day 5/ and continue into next weekend /day 6/. The GFS continued to be a slower/southern solution with the low pressure while the ECMWF/CMC offered another cycle of agreement and clustering. Details become more murky beyond day 6 as another low pressure could lift into the Gulf of Alaska but there's considerable spread in the latest models. The WPC blend preferred the 12Z ECMWF/CMC/UKMET initially then transitioned to a blend mostly from the ECENS/NAEFS. ...Weather/Hazards Highlights... One storm system is expected to impact the coastal areas and southeast Alaska late in the work week /day 5/ time frame and could bring heavy precipitation, significant waves, and higher winds, especially for southeast Alaska where the moisture fetch is greatest. A break in the active weather is then expected for the middle of the forecast period before another low pressure could lift into the Gulf of Alaska by day 7/8. Details for that system are murky given the considerable model spread but widespread precipitation and some hazards could accompany it along the coastal areas. Temperatures are forecast to be mostly above normal for much of the region during the period. Taylor Additional 3-7 Day Hazard information can be found on the WPC medium range hazards chart at: https://www.wpc.ncep.noaa.gov/threats/threats.php WPC medium range Alaskan products including 500mb, surface fronts/pressures progs and sensible weather grids can also be found at: https://www.wpc.ncep.noaa.gov/alaska/ak_5dayfcst500_wbg.gif https://www.wpc.ncep.noaa.gov/alaska/akmedr.shtml https://www.wpc.ncep.noaa.gov/alaska/ak_5km_gridsbody.html