Lake ice and snow cover on land appear gray-white, while the relatively warm, non-frozen lake water appears nearly black. This color-enhanced imagery from the Suomi NPP satellite's VIIRS instrument shows ice cover on the Great Lakes on February 12, 2018. Home > Great Lakes Modis Imagery > Region Map NOTICE. Image of the Day Sea and Lake Ice. Snow and Ice, Moderate Resolution Imaging Spectroradiometer, NASA Goddard Space 94.7% ice coverage in 1979 is the maximum on record. March 9 – the day of maximum ice extent. This image, acquired by the Moderate Resolution Imaging Spectroradiometer on NASA's Aqua satellite, shows the Great Lakes on Feb. 19, 2014, when ice covered 80.3 percent of the lakes. Sea and Lake Ice. Average date ice cover >or= 10%: A sample of the digitized total ice concentration for the Great Lakes. Typical ice condition charts. These channels allow us to distinguish different land types and features based on their visual and thermal differences. This color-enhanced imagery from the Suomi NPP satellite's VIIRS instrument shows ice cover on the Great Lakes on February 12, 2018. About GeoColor. NOAA’s daily analysis of lake ice cover on January 30, 2020, found just 6.7 percent of the lakes covered by ice. Recent daily ice edge files around Alaska and within the Great Lakes, in GRIB format. Total ice area for all Lakes: 130,712 square km. GLERL conducts research on ice cover forecasting on two different time scales: short-term (1-5 days) and seasonal. These links to the Great Lakes Coastal Forecasting System -- Nowcast/Forecast pages include: current observed ice cover, wind, and air temperature; model-derived ice thickness, ice velocity, vessel icing, surface currents, and water temperature. Both Amadjuak and Nettilling lakes show a range of ICD from 11 days shorter to 15 and 18 days longer, respectively. Multisensor Analyzed Sea Ice Extent. IMS snow and ice products. Snow and Ice The extent of ice on North America's Great Lakes is past its annual peak, but remains above the average maximum extent. The Great Lakes ice cover was from 15% to 18% this week, compared with about 67% a year ago, the National Oceanic and Atmospheric Administration says Why 8 … Temperature Extremes Image of the Day The study also showed that ice cover on the lakes is highly variable and difficult to predict. Great Lakes ice cover continues to increase. For context, ice usually spans 41 percent of the Great Lakes on an average February 14; it can be much higher or lower depending on the year. Northern hemisphere sea ice coverage for the last four weeks, updated daily. The average maximum ice extent since 1973 has been about 50 percent. 30-year average ice condition graphics for the Arctic, Hudson Bay, East Coast, Great Lakes Flight Center, NOAA Great Lakes Environmental Research Laboratory. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acquired the top image of ice cover on North America’s Great Lakes on March 17, 2015. The seasonal cycle of ice cover was constructed for all the lakes, including Lake St. Clair. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acquired the top image of ice cover on North America’s Great Lakes on March 17, 2015. Ice cover on the Great Lakes peaked at more than 80 percent in 2014 and again in 2015, marking the sixth such occurrence in four decades. In this study, temporal and spatial variability of ice cover in the Great Lakes are investigated using historical satellite measurements from 1973 to 2010. These lakes have shown positive ICD anomalies for 7 of the last 14 ice seasons, with most of the longer ICD anomalies in the past six seasons. Great Lakes Ice Cover Observations Lake Erie Vertical Temperature Mooring (2017) links to NCEI archive Lake Huron Vertical Temperature Mooring (2012-2019) links to NCEI archive About 56 percent of the Great Lakes were covered in ice on Friday, according to NOAA, which is a big jump from the Friday before when only 24 percent was ice covered. How to read an ice chart. NOAA-NASA satellite image shows the low ice cover on the Great Lakes The ice cover was significantly lower than the average Since the 1970s, ice cover in the Great Lakes has been on a downward trend Ice cover surpassed 80 percent for the first time in 20 years. GeoColor. The extreme ice cover in 2014 (92.5%) and 2015 (88.8%) were the first consecutive high ice cover years since the late 1970’s. A downward trend since the 1970s in the annual maximum extent of Great Lakes ice cover, which reaches a maximum every year during late winter and early spring, spells trouble for the Great Lakes ecosystem and the people who rely on it.. GLERL's short-term ice forecasting is part of the Great Lakes Coastal Forecasting System, an experimental model used by the National Weather Service to predict wind, waves, currents, and more. On that day, ice covered 55 percent of the lakes, according to the NOAA Great Lakes Environmental Research Laboratory. 11.5% ice coverage in 1998, a strong El Niño year. Lake Erie is usually the first to freeze over because it is shallower than the other Great Lakes. Weekly ice coverage in that period of time is typically 35 to … Satellite data is combined with other sources to translate daily ice charts into a pixel grid of percent cover. This year's ice cover is the highest since 2015, and is above the long-term average maximum (55 percent) that typically occurs in late February and early March. In this wintertime shot, the lakes are relatively ice-free, except for Lake Erie. Atmosphere As of February 11, 69.1 percent of the Great Lakes were ice covered, according to data from NOAA's Great Lakes Environmental Research Laboratory. A composite map of the Great Lakes produced by NOAA’s CoastWatch organization shows near-historic low ice coverage across the region.. Land On that day, ice covered 55 percent of the lakes, according to the NOAA Great Lakes Environmental Research Laboratory. The Great Lakes Observing System provides end-to-end data services that support science, policy, management, and industry in the Great Lakes. Terms of use: Please credit NOAA National Environmental Satellite, Data, and Information Service (NESDIS), NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION. Remote Sensing. These links to the Great Lakes Coastal Forecasting System -- Nowcast/Forecast pages include: current observed ice cover, wind, and air temperature; model-derived ice thickness, ice velocity, vessel icing, surface currents, and water temperature. A 2012 study in the Journal of Climate by scientists at NOAA's Great Lakes lab, which included data from MODIS, found that winter season ice cover on Lake Superior has decreased 79 percent from 1973 to 2010. Snow and Ice These images are provided as a public service with the understanding that NOAA resources be used responsibly to allow for access by all interested users. The map, known as the Great Lakes Surface Environmental Analysis, is a composite of data taken from NOAA satellites orbiting the earth’s poles and radar scans of the lakes by the National Ice Center. Great Lakes ice cover facts since 1973. Use the image comparison tool to see the difference. Great Lakes files are discontinued when the Lakes are ice free. During the day, the imagery looks approximately as it would appear when viewed with human eyes from space. Project: Lambert, Spheroid Clarke 1866. NASA's Aqua satellite captured this image of the lakes on the early afternoon of Feb. 19, 2014. Great Lakes ice cover typically begins to peak from late February into the start of March. The ice cover on the Great Lakes is rapidly growing due to the recent arctic air invasion. This is the MODIS Lake Superior satellite picture from Wed. PM (2/27/19) (from NOAA Coastwatch). This is the data for February 13, 1975. Get Started We're launching the Smart Great Lakes Initiative as part of our strategic plan for 2020-2025. Animation Loop; 300 x 300 px, (JPG, 86 KB) ... Snow/Ice - Near IR 8 Dec 2020 - 18:31 UTC. Color-enhanced images like this one help highlight visual differences in ice thickness, including cracks on the ice surface. Water True Color daytime, multispectral IR at night 8 Dec 2020 - 18:31 UTC. Images updated every 5 minutes. 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