The Aleutian Low is one of the principal causal factors of the weather and climate in the Unimak region. Their website on "The Cryosphere Today" can be accessed here and it contains the most up-to-date information on ice in the Bering Sea, the Beaufort Sea and other world sea ice areas. Throughout the month you can expect to see rain or drizzle falling on 17 days of the month, with snow falling on 22 days. Even though global warming would suggest a reduced ice pack in 2012, the ice area is an anomalous record high for the period that began in 1979. An active weather pattern will impact the U.S. this weekend into next week. From this a comfort level is calculated providing categories on how heat conditions might adversely affect someone. The Aleutian Islands (/əˈluːʃən/;Russian: Алеутские острова; Aleut: Tanam Unangaa, literally "Land of the Aleuts", possibly from Chukchi aliat, "island"), also called the Aleut Islands or Aleutic Islands A powerful storm swirled through the Aleutian Islands of Alaska this week, providing incredible satellite images and producing wind gusts near hurricane force. The average annual rainfall is about 80 inches (2,000 mm), and Unalaska, with about 250 rainy days per … Weather data, both graphic and numeric, for the Unimak area & Cold Bay can be accessed here. Southwest winds are also infrequent, but when they occur they can have great intensity. The Aleutian Low's location and intensity is shown in the above three maps in relation to the stationary North Pacific High that lies to the south. Comfort Levels: Given average maximum temperatures and humidity levels generally you should not anticipate any discomfort from heat (see heat index for more information). A deep-draft vessel that intends to come within 3 nautical miles of the Aleutian or Pribilof Islands and anchor to avoid severe weather shall notify the Coast Guard as soon as practicable in accordance with 33 CFR 160.215: CONTACT INFORMATION: The climate of the islands is oceanic, with moderate and fairly uniform temperatures and heavy rainfall. The following charts show yearly weather trends with information on monthly weather averages and extremes. King Cove City, Aleutian Islands free weather widget (free script for your website or blog). The Alaska Stream appears to have been relatively diffuse on the south side of the eastern Aleutian Islands (p. 40). The islands are devoid of native vegetation except for grass and stunted willows. This means that the Unimak Area is generally free from winter incursions of cold air from the Alaska mainland and only occasionally does cold Siberian area make its way across the Bering Sea to the Aleutian Islands, although in particularly cold winters this does happen. The Aleutian low is "A region of generally low pressure located near the Aleutian Islands, where sub-polar cyclones reach their maximum intensity. The chart below plots the average number of days in any month that you can expect to see snow falling. In recent years the maximum sustained wind speed has reached 96 km/h, that’s the equivalent of around 60 mph, or 52 knots. of Atmospheric Sciences. The Aleutian Islands off Alaska's southwest coast represent a true bridge over troubled water, albeit a broken one. Temperature. If the storm center passes to the south of Unimak, there is a backing wind shift, from SE to E, to NE and finally NW. Generally, larger islands receive more precipitation than smaller ones, and coastal areas more than inland areas. The Islands of the Four Mountains in Alaska’s central Aleutians are about as inhospitable an environment as a person can imagine. The Aleutian Island area has the highest average wind speed of any area in the U.S.  Average wind speeds are 15.6 MPH for Cold Bay, with the highest averages from September through May. WEATHER IN THE ALEUTIAN ISLANDS AND PRIBILOF ISLANDS 16710 November 22, 2019 3 2. A total of 110 culverts are known, of which 49% have or likely to have fish passage problems. This feature also encompasses non-stationary systems of both low and high pressure (cyclones and anticyclones) that form and dissipate along fronts and rapidly move in a broad sub-polar band of west-to-east flowing air currents widely known as the prevailing westerlies. This work is being done at the University of Illinois/Urbana-Champaign at the Polar Research Group/ Dept. These cloud formations were seen over the western Aleutian Islands. It also shows the maximum recorded sustained wind speed for each month. Lows in the mid 30s. Westerlies often occur in the fall, as shown in the wind direction rose for September. The days with the heaviest rainfall occurs in the fall, but strong storms can bring southeast winds and heavy rainfall at other times of the year. Pilot Point, Aleutian Islands, Alaska weather conditions, average/minimum/maximum temperature, humidity variation graphs. Weather forecasts for the Unimak area can be accessed on the Internet here. The chart below plots the average monthly precipitation amount. Aleutian Islands, chain of islands that separate the Bering Sea (north) from the main portion of the Pacific Ocean (south). Agriculture thrives between early May and late September. The region experienced record-breaking heat and record-dry conditions. Then, if the storm passes by to the north of Unimak, the winds veer towards the southwest and then west, and as the storm leaves the area, winds blow from the northwest and then start diminishing. The chart below plots the average high and low temperature for each month of the year. The average daily relative humidity for December is around 84%. The Aleutian Islands were no exception to the trend. Given the small landmass, the human footprint is quite large — the region is ranked 5th out of the 13 regions for human impacts. Throughout the month of December daytime temperatures will generally reach highs of around 2°C that's about 36°F. The temperature regime for the Unimak area is documented at the Cold Bay weather station, about 30 miles northeast of False Pass on the Alaska Peninsula. The average monthly amount of precipitation has been recorded at around 102 mm, that's 4 inches. Winds and tides can bring drift ice from the edge of the Bering Sea ice pack into Isanotski Strait and as far south as Ikatan Bay. The information presented below gives detailed historical monthly average weather conditions along with exceptional weather occurrences. The wettest time of the year is September through December. The Unimak Area of Alaska shows very small seasonal changes in temperature, as seen in the map to the right. In recent times the highest recorded temperature in December has been 12°C that's 54°F, with the lowest recorded temperature -17°C, about 1°F. The climate profile is taken from closest available data source to Aleutian Islands. King Cove City, Aleutian Islands current conditions, weather forecast and climate chart (temperature and humidity). For Aleutian Islands in the coming week the average daytime maximum temperature will be around 7°C, with a high for the week of 15°C expected on the afternoon of Thursday 29th. 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