aleutian islands annual weather

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The average annual rainfall is about 80 inches (2,000 mm), and Unalaska, with about 250 rainy days per … Easterly winds are relatively uncommon. The Aleutian low is "A region of generally low pressure located near the Aleutian Islands, where sub-polar cyclones reach their maximum intensity. During such cold winters, the Bering Sea can be covered with ice as far as Isanotski Strait and cold Siberian air can drive the temperatures down to near zero. While not a dynamically directly-driven feature, the Aleutian Low still serves as a useful proxy for storm activity. Storms over the Central Aleutian Islands will bring warm air up from the south as well as rain to the islands Monday into Tuesday. Click here for a numeric table of various weather parameters, including wind, for Cold Bay. The average monthly amount of precipitation has been recorded at around 102 mm, that's 4 inches. “Despite the fact that the Aleutian Archipelago is remote and largely uninhabited, it nonetheless has a long history of predator exploitation, and is also at the front lines of climate change,” said Douglas Rasher. The information presented below gives detailed historical monthly average weather conditions along with exceptional weather occurrences. The area of sea ice in the Bering Sea is plotted on the graph to the right, from the year 1979 to mid-April 2012. Comfort Levels: Given average maximum temperatures and humidity levels generally you should not anticipate any discomfort from heat (see heat index for more information). Precipitation varies widely, from 530mm up to 2,080mm. 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. Wind conditions in the Unimak area are the most important weather factor for local fishermen. Southwest winds are also infrequent, but when they occur they can have great intensity. 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 These cloud formations were seen over the western Aleutian Islands. Some of these ALs stagnate and weaken in the Gulf of Alaska but then move to the southeast or onto the continent.3. Their color variations are probably due to differences in temperature and in the size of water droplets that make up the clouds. There is little concern about whether the day will be sunny or cloudy or even rainy, it is the wind that matters most because it determines the safety of traveling by boat or skiff. This image was acquired by the Landsat 7 satellite on June 16, 2000. 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. This creates a large band of atmospheric instability with rising moist air that stretches from the Kamchatka Peninsula in the west and all the Aleutian Islands chain. If the storm center passes to the south of Unimak, there is a backing windshift, starting with southeast, then backing to east, northeast and finally northwest as the storm center moves away. The maximum Ice Extent in the Bering Sea is shown in the maps to the right. The Heat Index is a measure of how hot it feels when relative humidity is added to actual air temperature. Walrus also hauled out on the sand bars on the north side of the lower Alaska Peninsula and were traditionally hunted by Aleuts (Unangan) and later by the Russians.5. The Maximum wind gust during this period was 83 MPH, but every month had gusts of 60 MPH or over. A few conifers introduced by the Russians grow on the islands of Amaknak and Adak. Expect 7.8 mm of precipitation over the past 3 hours. This is because this area is in the storm track of the Aleutian low pressure cells that pass by from west to east with great frequency. The average temperature difference between July and January is only about 10 degrees F. The moderating influence of the marine environment is the primary reason for this small temperature difference. An intense low-pressure storm system packing strong winds and massive waves is expected to move over the Bering Sea and through the Aleutian Islands of Alaska this weekend, weather … Pilot Point, Aleutian Islands, Alaska free weather widget (free script for your website or blog). Please click on the graph to see a larger version. The chart below plots the average daily wind speed you can expect for any month. Aleutian Islands, chain of islands that separate the Bering Sea (north) from the main portion of the Pacific Ocean (south). The two primary wind directions the year around for the Unimak area are southeast and its opposite, northwest. According to the Köppen climate classification system, the area southwest of 53°30′N 167°00′W / 53.5°N 167.0°W on Unalaska Island have a "Subpolar Oceanic Climate" (type "Cfc" as are Reykjavík, Tórshavn, Punta Arenas, U… Today, the land mass has been splintered into … 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 wettest time of the year is September through December. Multi-disciplinary evidence for a large, previously unrecognized caldera in the Islands of Four Mountains, Central Aleutian Arc, Alaska. A combination of climate warming and loss of sea otters is harming the reefs that underpin Alaskan kelp forests in the Aleutian Islands. Shemya or Simiya (Aleut: Samiyax̂) is a small island in the Semichi Islands group of the Near Islands chain in the Aleutian Islands archipelago southwest of Alaska, at CoordinatesIt has a land area of 5.903 sq mi (15.29 km 2), and is about 1,200 miles (1,900 km) southwest of Anchorage, Alaska.It is 2.73 miles (4.39 km) wide and 4.32 miles (6.95 km) long. The summers are relatively quieter, but even then gale force winds usually occur. The "Cradle of the Storms" is the colloquial name for the Aleutian Low area because this is the stormiest area in the north Pacific.2  These cyclonic storms generally travel eastward along the Aleutians in the zone of the westerly winds. ANCHORAGE, Alaska (AP) — An explosive storm surpassing the intensity of 2012's Superstorm Sandy is expected to reach Alaska's western Aleutian Islands over … American Geophysical Union annual … 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: Lows in the mid 30s. Bad weather reigns, the wind and rain conspiring to create the perfect conditions for hypothermia. Animated monthly wind direction graphs can be seen here. At night the average minimum temperature drops down to around -2°C, that's 29°F. 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 you can expect to see rain or drizzle falling on 17 days of the month, with snow falling on 22 days. Throughout the month of December daytime temperatures will generally reach highs of around 2°C that's about 36°F. Fogs are almost constant. of Atmospheric Sciences. Since this area is in the zone of the westerly winds, moist air and relatively warm temperatures come into the area after having traveled over extensive ocean areas. 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. When he first visited Amchitka Island, he could count anywhere from 50 to 300 sea otters from the shore. Temperatures range from average lows of -7O°C to -20°C in winter to average highs of 10°C to 13°C in summer (Gallant et al. Expect 0.7 mm of precipitation over the past 3 hours. Make it a Weather Favorite! The Aleutian Islands off Alaska's southwest coast represent a true bridge over troubled water, albeit a broken one. The regular temperature in Alaska is about 38 degrees Fahrenheit (3 degrees Celsius) but the weather will change during seasons or months. The following charts show yearly weather trends with information on monthly weather averages and extremes. The Aleutian Islands were no exception to the trend. The forecasts ... (−15 °C) respectively. 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. Precipitation falls in every month of the year but is heaviest August through December, as seen in the graph on the right. The Aleutian Low is one of the principal causal factors of the weather and climate in the Unimak region. The Aleutian Low storm tracks are shown in the map to the right. In recent years the maximum sustained wind speed has reached 96 km/h, that’s the equivalent of around 60 mph, or 52 knots. Throughout the month of December daytime temperatures will generally reach highs of around 2°C that's about 36°F. The chart below plots the average number of days in any month that you can expect to see snow falling. Travel by sea in the Unimak area with its many bays, channels, points and passages is only possible by fishermen when the wind direction and wind intensity are favorable. King Cove City, Aleutian Islands current conditions, weather forecast and climate chart (temperature and humidity). They extend in an arc southwest, then northwest, for about 1,100 miles (1,800 km) from the tip of the Alaska Peninsula to Attu Island, Alaska. J.A. The graph to the right shows the mean wind direction frequency in % for Cold Bay, the nearest reporting station. Another storm will race through the Intermountain West today with snow, arrive in the Southern U.S. on Sunday with snow, rain and thunderstorms and reach the East on Monday. If the storm center passes to the north of Unimak, there is a veering wind shift from SE, to SW, to W, to NW as the storm moves by. James Estes, now an emeritus professor at the University of California Santa Cruz, has been studying the Aleutian Islands since 1970. Temperature. Wind gusts over 50 MPH occur 3 or more days per month for 7 months of the year. On average the month of December is affected by foggy conditions on 16 days. Make it a Weather Favorite! The Aleutian Island is mostly cone volcano’s and some are still activate, but only on one side of the Island not all of the volcano’s can still activate. The map shows that the weaker Aleutian Lows (AL) often move into the western Bering Sea. Its position and size can be shown to be correlated with major indices such as ENSO, and in this manner it conveniently represents a mechanism for assessing impacts from teleconnection patterns."1. This means that the winds will change direction and intensity as a low pressure storm passes by. The chart below plots the average high and low temperature for each month of the year. Compared to neighboring regions, the Alaska Peninsula / Aleutian Islands region is categorized by a cooler, drier climate. 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. The graph shows that the area of ice in the Bering Sea often fluctuates substantially from the 1979-2008 mean, usually in the range of about +-10 to 25%. Like this location? By Tuesday morning, low-pressure storms originating from over Siberia (Russia) quickly push east and combine with some of the storms over the Aleutian Islands. Current weather trends with information on monthly weather averages and extremes average high low. Is heaviest August through December, January and 52 °F in January and February 5.0! 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