Seasonal cycle of Northern Hemisphere sea ice extents (a) and areas (b), given as daily averages, for the years 2010 through 2020. An ice sheet will, in theory, grow at a rate of roughly one inch per fifteen FDDs starting from ice between 1/2" and 3" thick (as the ice gets thicker the growth rate decreases as a result of the thermal resistance of the thicker ice). Zoom in to any area on the chart by clicking and dragging your mouse. The ice chart of the whole Baltic Sea (pdf) is published in the autumn twice a week (Monday and Thursday) and daily when the amount of ice increases until until ice break-up in spring. Strength is based on all these factors -- plus the depth of water under the ice, size of the water body, water chemistry and currents, the distribution of the load on the ice, and local climatic conditions. Sea ice concentration is the percent areal coverage of ice within the data element (grid cell). An online mapmaker has revealed a unique map showing the world as it would have looked 14,000 years ago, when the last ice … Sea ice extent is derived from sea ice concentration. Figure 8: Color-coded animation displaying the last 2 weeks of the daily sea ice concentrations in the Southern Hemisphere. Times are only given for places that are under a Warning or Advisory. © 2019, National Snow and Ice Data Center :: Advancing knowledge of Earth's frozen regions, Exchange for Local Observations and Knowledge of the Arctic (ELOKA), NASA Distributed Active Archive Center at NSIDC (NSIDC DAAC), All About Arctic Climatology & Meteorology, Sea Ice Index (Passive microwave satellite data), MASIE (Daily sea ice extent, multi-source). Figure 3. Ocean Waves . This information is provided when we issue a Warning or Advisory for expected snow or ice accumulation; typically six to 24 hours in advance. The extents in km2 for the current and for the years of minimum and maximum extents are provided below the image. Rain is not included here. Current Ice Cover Conditions Coastwatch and GLSEA. Double the above thickness guidelines when traveling on white ice. Ice can increase the weight of branches by 30 times. Read their blog ... Icelights: Answers to your burning questions about ice and climate. Contact your state’s Department of Natural Resources or a local bait shop for the latest ice reports. Click the left and right arrows to cycle through the images in three hourly intervals or drag the slider to … Water is unusual because the liquid phases of most substances are less dense than the solid phase. These images use data from the AMSR-E/AMSR2 Unified Level-3 12.5 km product. Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more ; Related Documents . Map with JOSM Remote; View. The Antarctic ice sheet is one of the two polar ice caps of the Earth.It covers about 98% of the Antarctic continent and is the largest single mass of ice on Earth. Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. J. C. Comiso, C. L. Parkinson, T. Markus, D. J. Cavalieri and R. Gersten. Mean modeled accumulation over the ice sheet was 0.279 (standard deviation 0.034) m yr −1 for 1958–2003 with no significant trend for either the ice sheet or any of the core sites. If you have questions or problems, please contact NSIDC User Services at. Also, don’t drive in a group. To view historical readings please select the month/year below: A 1/2-inch accumulation on power lines can add 500 pounds of extra weight. View additional years by clicking the dates in the legend. The different shades of gray over land indicate the land elevation with the lightest gray being the highest elevation. The deepest ice, and therefore the ice with the longest record, is found in Antarctica. Posted below is an ice depth comparison chart. Get the latest news, profile, stats, schedule, transactions, depth chart and more about Edmonton Oilers VAR 3.5°5'E (2015) ANNUAL DECREASE 8' Edit. Map s… Weather; Sea Marks; Harbours; Tidal Scale; Sport Figure 6: Color-coded map of the daily sea ice concentration in the Southern Hemisphere for the indicated recent date along with the contours of the 15% edge during the years with the least extent of ice (in red) and the greatest extent of ice (in yellow) during the period from November 1978 to the present. Then, 20 000 years ago, a great thaw began. Then, compare them to an ice thickness chart. Latest. Only a few minor late-season melt events occurred in September and October. Get the latest news, profile, stats, schedule, transactions, depth chart and more about Buffalo Sabres Over the following 10 000 years, the average global temperature rose by 3.5° C and most of the ice melted. Shown below are up-to-date satellite observations of the sea ice covers of both the Arctic and the Antarctic, along with comparisons with the historical satellite record of more than 37 years. It is an incredible view of how the world looked during the ice age. Figure 4: Color-coded animation displaying the last 2 weeks of the daily sea ice concentrations in the Northern Hemisphere. The different shades of gray over land indicate the land elevation with the lightest gray being the highest elevation. This results from the high reflectivity (albedo) of the sea ice compared to ice-free waters. Many factors other than thickness can cause ice to be unsafe. You report the new snow amount to be 0.0 However, the entry for "Total Depth of Snow" includes the depth of both snow (new and old) AND ice. Seasonal cycle of Southern Hemisphere sea ice extents (a) and areas (b), given as daily averages, for the years 2010 through 2020. Glaze is not snow or sleet. Arctic sea ice extent was 4.21 million square kilometers (1.62 million square miles) on September 16, which is likely near the seasonal minimum extent that is expected within the next week. This is based on there being a bit of wind, a … Looking for facts and information? Rising seas swallowed up low-lying areas such as the English Channel and North Sea, forcing our ancestors to abandon many settlements. Roll your cursor over the line to see daily sea ice extent values. The different shades of gray over land indicate the land elevation with the lightest gray being the highest elevation. When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow. Images are not available for the average or standard deviation. Community Interviews with Moose FM. Scientists investigating how temperatures have changed prior to the invention of thermometers need to rely on a variety of climate “proxies”, which are correlated with temperature and can be used to infer, with some uncertainties, how it has changed in the past. The sea ice cover is one of the key components of the polar climate system. We recommend using a different browser. . Widespread thermometer measurements of temperatures only extend back to the mid-1700s. SPIA Index (Ice Accumulation & Wind) Quantitative Precipitation Forecast (QPF) Snow and Sleet Forecast; Temperature Forecast; Apparent Temperature (Heat & Wind Chill Index) South Central The most up-to-date breaking news for the New York Rangers including highlights, roster, schedule, scores and archives. Park cars at least 50 feet apart or more and move every couple hours. The vertical line represents the last data point plotted. The different shades of gray over land indicate the land elevation with the lightest gray being the highest elevation. Currently, some functions do not work in Internet Explorer. CoastWatch is a nationwide National Oceanic and Atmospheric Administration (NOAA) program within which the Great Lakes Environmental Research Laboratory (GLERL) functions as the Great Lakes regional node. Ice thickness measurements are generally taken near the beginning of the month from October to June. In contrast, in the Antarctic the sea ice coverage has been increasing although at a lesser rate than the decreases in the Arctic. Always go with a buddy. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color.. To see a corresponding daily sea ice concentration image, click on a line in the chart. Surface melting on the Greenland ice sheet ramped down at a near-normal pace in the weeks following the major melt event of early August (Figure 1). Solid water (ice) is less dense than liquid water. As the ice in Antarctica is mostly over land, as opposed to the Arctic where most of the ice is floating on sea, this makes it ideal for deep core sampling. The deposits of ice are called glaze. offshore project. Since 2000, the ice sheet has experienced a general increase in melting, with melt-day area for 2019 totaling 28.3 million square kilom… Four inches is the minimum ice thickness for walking. How to read an ice chart. This helpful guide explains the proper way to interpret ice conditions on our charts. On Thin Ice:Expedition to a Crumbling Ice Shelf. EPICA is the deepest of the ice cores and it … It has been a focus of attention in recent years, largely because of a strong decrease in the Arctic sea ice cover and modeling results that indicate that global warming could be amplified in the Arctic on account of ice-albedo feedback. What's hot in the news around climate and sea ice and what are scientists talking about now? Sea ice extent is the integral sum of the areas of all grid cells with at least 15% ice concentration, while sea ice area is the integral sum of the product of ice concentration and area of all grid cells with at least 15% ice concentration. Interesting images. Readings taken near the end of the month are appied to the following month. Temperature, snow cover, currents, springs and rough fish all affect the relative safety of ice. The plots and color-coded maps are chosen to provide information about the current state of the sea ice cover and how the most current daily data available compare with the record lows and record highs for the same date during the satellite era.