{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Aeolus: Forecast is good for first ever wind-measuring satellite' data-url='/boclips/videos/6878c93a8802842c0ca290d4' data-video-url='/boclips/videos/6878c93a8802842c0ca290d4' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nAeolus: Forecast is good for first ever wind-measuring satellite\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eThis edition of Space comes from the coast of northern Norway, where we’ve come to the  Andøya Space Centre  to meet scientists working on a new satellite called Aeolus, which is measuring the winds all around our planet for the very...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eThis edition of Space comes from the coast of northern Norway, where we’ve come to the  Andøya Space Centre  to meet scientists working on a new satellite called Aeolus, which is measuring the winds all around our planet for the very first time. But right now they’re working on calibrating and validating all of the measurements they’re getting from orbit.   \u003cbr/\u003e\u003cbr/\u003e​This groundbreaking mission began with the rumble of an Italian  Vega rocket , which in late August this year blasted ESA's long-awaited  Aeolus satellite  off into space, which is now flying fast and low, just 320 kilometres above our heads.   \u003cbr/\u003e\u003cbr/\u003e​\"Aeolus is circling Earth at the moment that we are speaking. It’s moving from the north pole to the south pole and back again, in something called a polar orbit. And as it’s moving around the Earth like this, the Earth is rotating below it, and that allows Aeolus to make measurements around the globe, actually 16 times per day,\" says ESA Aeolus Mission scientist Anne Grete Straume. \u003cbr/\u003e\u003cbr/\u003e​Aeolus uses a laser system called a Lidar to measure the wind speed and wind along its viewing direction throughout its orbit. No space mission has ever done that before.   \u003cbr/\u003e\u003cbr/\u003e​However no space mission can operate in isolation, and here in Norway the science team is now swinging into action. \u003cbr/\u003e\u003cbr/\u003e​The Andøya Space Centre is a dedicated multi-instrument atmospheric observatory 300 kilometres inside the Arctic Circle. Data gathered here will play a key role in calibrating and validating the wind measurements from space. ​It's a unique place. \u003cbr/\u003e\u003cbr/\u003e​\"If you look at our location, with this observatory at 69 degrees north, there are no observatories able to take measurements together with Aeolus. So this is the one and only station doing Lidar measurements on wind velocity and wind direction at this latitude in the northern hemisphere,\" says the Andøya centre's Director of Science Michael Gausa. \u003cbr/\u003e\u003cbr/\u003e​Two telescopes from the  Leibniz-Institute of Atmospheric Physics  work in a similar way to the Aeolus satellite, using lasers to observe the wind. \u003cbr/\u003e\u003cbr/\u003e​ \u003cbr/\u003e\u003cbr/\u003eThat means ESA Project Scientist Anne Grete Straume can rely on them and measurements from other ground stations for comparison throughout the Aeolus mission. \u003cbr/\u003e\u003cbr/\u003e​\"It’s very important to understand or to check that the satellite measurements that we do are correct for all types of weather, that being storms coming in, that being good weather conditions. We need to have the comparison with these good quality ground measurements for all types of weather conditions, and this is why it’s important not to measure once and compare, but really to keep on measuring over time,\" she says.   \u003cbr/\u003e\u003cbr/\u003e​Other kinds of data are also used to gauge the accuracy of Aeolus's instruments, including readings from weather balloons. \u003cbr/\u003e\u003cbr/\u003e​Here the team launches balloons twice a day. They gather precise local measurements of wind speed, temperature and humidity. \u003cbr/\u003e\u003cbr/\u003e​These parameters form the baseline of any weather forecast. \u003cbr/\u003e\u003cbr/\u003e​\"With this we get in situ measurements of wind, which is very important thing in calibrating and validating the measurements from the satellite. So we can know that we’re measuring in approximately the same area. Of course the balloon will drift off with wind, but we will know that we have the same general coverage, and we can compare the measurements from the satellite and the balloon,\" says Staff engineer at Andøya, Ingrid Hanssen.   \u003cbr/\u003e\u003cbr/\u003e​Aeolus is not alone - other weather satellites observe temperature and humidity and have done so for decades.​ \u003cbr/\u003e\u003cbr/\u003eHowever there is no global system to measure winds around our planet. \u003cbr/\u003e\u003cbr/\u003e​We can estimate the wind from the clouds and sea surface, but not the air moving in the atmosphere. \u003cbr/\u003e\u003cbr/\u003e​Wind is the missing piece of the weather puzzle, as Lars Isaksen, from the European Centre for Medium Range Weather Forecasts, the ECMWF, explains: \u003cbr/\u003e\u003cbr/\u003e​\"Some of the largest forecast errors we have had the last 5 years have been linked to our lack of understanding of the winds in the tropics. You don't have any wind information over the oceans, the southern Pacific, no wind information at all. Even in the Atlantic you have very little information about wind,\" he says. \u003cbr/\u003e\u003cbr/\u003e​All the new data from Aeolus will pass through the ECMWF to be processed and corrected against other weather data before before being passed on to forecasters. \u003cbr/\u003e\u003cbr/\u003e​However this ESA mission is officially a test, and is yet to prove itself: \u003cbr/\u003e\u003cbr/\u003e​\"Nobody knows if it will work yet. And after, if it works well, we will put it in our numerical weather prediction models to improve our understanding of the 'initial state' - that is how the weather is today, which is important for doing our weather prediction. Everything depends on how the weather is today, and then you integrate a complex mathematical model forward in time, and that gives you the weather forecast for the days ahead,\" says Isaksen. \u003cbr/\u003e\u003cbr/\u003e​Aeolus can measure wind speed and direction from the Earth's surface up\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource Details\u003c/h2\u003e\n\u003cdiv class='rp-resource-details clearfix'\u003e\n\u003cdiv 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