{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:05.569446", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2016-Aug-05_to_2016-Aug-15_195.5_67.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2016080001480}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "August 05 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 71427.97445020101}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America", "Russian-Arctic"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Chukchi Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 67.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 195.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "195.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 190.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 199.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 66.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 69.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-169.53, 67.97], [-169.75, 68.5], [-169.53, 69.03], [-169.0, 69.25], [-168.75, 69.15], [-168.5, 69.25], [-168.25, 69.15], [-168.0, 69.25], [-167.75, 69.15], [-167.5, 69.25], [-167.25, 69.15], [-167.0, 69.25], [-166.75, 69.15], [-166.5, 69.25], [-166.25, 69.15], [-166.0, 69.25], [-165.47, 69.03], [-165.32, 68.68], [-165.25, 68.65], [-165.0, 68.75], [-164.75, 68.65], [-164.5, 68.75], [-163.97, 68.53], [-163.82, 68.18], [-163.75, 68.15], [-163.5, 68.25], [-162.97, 68.03], [-162.82, 67.68], [-162.75, 67.65], [-162.5, 67.75], [-162.25, 67.65], [-162.0, 67.75], [-161.47, 67.53], [-161.32, 67.18], [-160.97, 67.03], [-160.75, 66.5], [-160.97, 65.97], [-161.5, 65.75], [-161.75, 65.85], [-162.0, 65.75], [-162.25, 65.85], [-162.5, 65.75], [-163.0, 65.96], [-163.5, 65.75], [-163.75, 65.85], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-166.03, 66.97], [-166.18, 67.32], [-166.25, 67.35], [-166.5, 67.25], [-166.75, 67.35], [-167.0, 67.25], [-167.53, 67.47], [-167.68, 67.82], [-167.75, 67.85], [-168.0, 67.75], [-168.25, 67.85], [-168.5, 67.75], [-168.75, 67.85], [-169.0, 67.75], [-169.53, 67.97]]]]}, "2016-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-169.53, 67.97], [-169.75, 68.5], [-169.53, 69.03], [-169.0, 69.25], [-168.75, 69.15], [-168.5, 69.25], [-168.25, 69.15], [-168.0, 69.25], [-167.75, 69.15], [-167.5, 69.25], [-167.25, 69.15], [-167.0, 69.25], [-166.75, 69.15], [-166.5, 69.25], [-166.25, 69.15], [-166.0, 69.25], [-165.75, 69.15], [-165.5, 69.25], [-164.97, 69.03], [-164.82, 68.68], [-164.75, 68.65], [-164.68, 68.68], [-164.53, 69.03], [-164.0, 69.25], [-163.75, 69.15], [-163.5, 69.25], [-163.25, 69.15], [-163.18, 69.18], [-163.15, 69.25], [-163.25, 69.5], [-163.03, 70.03], [-162.5, 70.25], [-161.97, 70.03], [-161.82, 69.68], [-161.47, 69.53], [-161.32, 69.18], [-161.25, 69.15], [-161.0, 69.25], [-160.47, 69.03], [-160.25, 68.5], [-160.35, 68.25], [-160.25, 68.0], [-160.35, 67.75], [-160.25, 67.5], [-160.47, 66.97], [-160.87, 66.8], [-160.75, 66.5], [-160.97, 65.97], [-161.5, 65.75], [-161.75, 65.85], [-162.0, 65.75], [-162.25, 65.85], [-162.5, 65.75], [-163.0, 65.96], [-163.5, 65.75], [-163.75, 65.85], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-166.03, 66.97], [-166.18, 67.32], [-166.25, 67.35], [-166.5, 67.25], [-166.75, 67.35], [-167.0, 67.25], [-167.53, 67.47], [-167.68, 67.82], [-167.75, 67.85], [-168.0, 67.75], [-168.25, 67.85], [-168.5, 67.75], [-168.75, 67.85], [-169.0, 67.75], [-169.53, 67.97]]]]}, "2016-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-169.53, 67.97], [-169.75, 68.5], [-169.53, 69.03], [-169.0, 69.25], [-168.75, 69.15], [-168.5, 69.25], [-168.25, 69.15], [-168.0, 69.25], [-167.75, 69.15], [-167.5, 69.25], [-167.25, 69.15], [-167.0, 69.25], [-166.75, 69.15], [-166.5, 69.25], [-166.25, 69.15], [-166.0, 69.25], [-165.75, 69.15], [-165.5, 69.25], [-164.97, 69.03], [-164.82, 68.68], [-164.75, 68.65], [-164.68, 68.68], [-164.53, 69.03], [-164.0, 69.25], [-163.75, 69.15], [-163.5, 69.25], [-163.25, 69.15], [-163.18, 69.18], [-163.15, 69.25], [-163.25, 69.5], [-163.03, 70.03], [-162.5, 70.25], [-161.97, 70.03], [-161.82, 69.68], [-161.47, 69.53], [-161.32, 69.18], [-161.25, 69.15], [-161.0, 69.25], [-160.47, 69.03], [-160.25, 68.5], [-160.35, 68.25], [-160.25, 68.0], [-160.35, 67.75], [-160.25, 67.5], [-160.47, 66.97], [-160.87, 66.8], [-160.75, 66.5], [-160.97, 65.97], [-161.5, 65.75], [-161.75, 65.85], [-162.0, 65.75], [-162.25, 65.85], [-162.5, 65.75], [-163.0, 65.96], [-163.5, 65.75], [-163.75, 65.85], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-166.03, 66.97], [-166.18, 67.32], [-166.25, 67.35], [-166.5, 67.25], [-166.75, 67.35], [-167.0, 67.25], [-167.53, 67.47], [-167.68, 67.82], [-167.75, 67.85], [-168.0, 67.75], [-168.25, 67.85], [-168.5, 67.75], [-168.75, 67.85], [-169.0, 67.75], [-169.53, 67.97]]]]}, "2016-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-169.53, 67.97], [-169.75, 68.5], [-169.53, 69.03], [-169.0, 69.25], [-168.75, 69.15], [-168.5, 69.25], [-168.25, 69.15], [-168.0, 69.25], [-167.5, 69.04], [-167.0, 69.25], [-166.75, 69.15], [-166.5, 69.25], [-166.25, 69.15], [-166.0, 69.25], [-165.75, 69.15], [-165.5, 69.25], [-164.97, 69.03], [-164.82, 68.68], [-164.75, 68.65], [-164.68, 68.68], [-164.53, 69.03], [-164.0, 69.25], [-163.75, 69.15], [-163.5, 69.25], [-163.25, 69.15], [-163.18, 69.18], [-163.15, 69.25], [-163.25, 69.5], [-163.03, 70.03], [-162.5, 70.25], [-161.97, 70.03], [-161.82, 69.68], [-161.47, 69.53], [-161.32, 69.18], [-161.25, 69.15], [-161.0, 69.25], [-160.47, 69.03], [-160.25, 68.5], [-160.35, 68.25], [-160.25, 68.0], [-160.35, 67.75], [-160.25, 67.5], [-160.47, 66.97], [-160.87, 66.8], [-160.75, 66.5], [-160.97, 65.97], [-161.5, 65.75], [-162.0, 65.96], [-162.5, 65.75], [-163.03, 65.97], [-163.18, 66.32], [-163.53, 66.47], [-163.68, 66.82], [-163.75, 66.85], [-164.0, 66.75], [-164.25, 66.85], [-164.5, 66.75], [-164.75, 66.85], [-165.0, 66.75], [-165.25, 66.85], [-165.5, 66.75], [-166.03, 66.97], [-166.18, 67.32], [-166.25, 67.35], [-166.5, 67.25], [-166.75, 67.35], [-167.0, 67.25], [-167.53, 67.47], [-167.7, 67.88], [-168.0, 67.75], [-168.25, 67.85], [-168.5, 67.75], [-168.75, 67.85], [-169.0, 67.75], [-169.53, 67.97]]]]}, "2016-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-166.25, 67.5], [-166.03, 68.03], [-165.68, 68.18], [-165.53, 68.53], [-165.0, 68.75], [-164.75, 68.65], [-164.5, 68.75], [-164.25, 68.65], [-164.0, 68.75], [-163.75, 68.65], [-163.5, 68.75], [-163.25, 68.65], [-163.0, 68.75], [-162.47, 68.53], [-162.32, 68.18], [-162.25, 68.15], [-162.0, 68.25], [-161.75, 68.15], [-161.5, 68.25], [-160.97, 68.03], [-160.75, 67.5], [-160.96, 67.0], [-160.75, 66.5], [-160.97, 65.97], [-161.5, 65.75], [-162.0, 65.96], [-162.5, 65.75], [-163.03, 65.97], [-163.18, 66.32], [-163.25, 66.35], [-163.32, 66.32], [-163.47, 65.97], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-166.03, 66.97], [-166.25, 67.5]]]]}, "2016-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-166.25, 67.5], [-166.03, 68.03], [-165.5, 68.25], [-165.25, 68.15], [-165.0, 68.25], [-164.75, 68.15], [-164.5, 68.25], [-164.25, 68.15], [-164.0, 68.25], [-163.47, 68.03], [-163.32, 67.68], [-163.25, 67.65], [-163.0, 67.75], [-162.75, 67.65], [-162.5, 67.75], [-161.97, 67.53], [-161.75, 67.0], [-161.97, 66.47], [-162.5, 66.25], [-162.75, 66.35], [-163.0, 66.25], [-163.25, 66.35], [-163.32, 66.32], [-163.47, 65.97], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-166.03, 66.97], [-166.25, 67.5]]]]}, "2016-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-167.53, 68.03], [-167.0, 68.25], [-166.75, 68.15], [-166.5, 68.25], [-166.25, 68.15], [-166.0, 68.25], [-165.75, 68.15], [-165.5, 68.25], [-165.25, 68.15], [-165.0, 68.25], [-164.75, 68.15], [-164.5, 68.25], [-163.97, 68.03], [-163.82, 67.68], [-163.75, 67.65], [-163.5, 67.75], [-163.25, 67.65], [-163.0, 67.75], [-162.75, 67.65], [-162.5, 67.75], [-161.97, 67.53], [-161.75, 67.0], [-161.97, 66.47], [-162.5, 66.25], [-162.75, 66.35], [-163.0, 66.25], [-163.25, 66.35], [-163.32, 66.32], [-163.47, 65.97], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-165.75, 66.85], [-165.82, 66.82], [-165.97, 66.47], [-166.5, 66.25], [-166.75, 66.35], [-167.0, 66.25], [-167.53, 66.47], [-167.75, 67.0], [-167.65, 67.25], [-167.75, 67.5], [-167.53, 68.03]]]]}, "2016-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-167.53, 68.03], [-167.0, 68.25], [-166.75, 68.15], [-166.5, 68.25], [-166.25, 68.15], [-166.0, 68.25], [-165.75, 68.15], [-165.5, 68.25], [-165.25, 68.15], [-165.0, 68.25], [-164.75, 68.15], [-164.5, 68.25], [-164.25, 68.15], [-164.18, 68.18], [-164.03, 68.53], [-163.5, 68.75], [-163.25, 68.65], [-163.0, 68.75], [-162.75, 68.65], [-162.5, 68.75], [-161.97, 68.53], [-161.75, 68.0], [-161.87, 67.7], [-161.75, 67.65], [-161.5, 67.75], [-160.97, 67.53], [-160.82, 67.18], [-160.47, 67.03], [-160.25, 66.5], [-160.47, 65.97], [-161.0, 65.75], [-161.25, 65.85], [-161.5, 65.75], [-161.75, 65.85], [-162.0, 65.75], [-162.25, 65.85], [-162.5, 65.75], [-162.75, 65.85], [-163.0, 65.75], [-163.25, 65.85], [-163.5, 65.75], [-163.75, 65.85], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-165.75, 66.85], [-165.82, 66.82], [-165.97, 66.47], [-166.5, 66.25], [-166.75, 66.35], [-167.0, 66.25], [-167.53, 66.47], [-167.75, 67.0], [-167.65, 67.25], [-167.75, 67.5], [-167.53, 68.03]]]]}, "2016-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-167.53, 68.03], [-167.0, 68.25], [-166.75, 68.15], [-166.5, 68.25], [-166.25, 68.15], [-166.0, 68.25], [-165.75, 68.15], [-165.5, 68.25], [-165.25, 68.15], [-165.0, 68.25], [-164.75, 68.15], [-164.5, 68.25], [-164.25, 68.15], [-164.18, 68.18], [-164.03, 68.53], [-163.5, 68.75], [-163.25, 68.65], [-163.0, 68.75], [-162.75, 68.65], [-162.5, 68.75], [-161.97, 68.53], [-161.75, 68.0], [-161.87, 67.7], [-161.75, 67.65], [-161.5, 67.75], [-160.97, 67.53], [-160.82, 67.18], [-160.47, 67.03], [-160.25, 66.5], [-160.47, 65.97], [-161.0, 65.75], [-161.25, 65.85], [-161.5, 65.75], [-161.75, 65.85], [-162.0, 65.75], [-162.25, 65.85], [-162.5, 65.75], [-162.75, 65.85], [-163.0, 65.75], [-163.25, 65.85], [-163.5, 65.75], [-163.75, 65.85], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-164.75, 66.35], [-165.0, 66.25], [-165.53, 66.47], [-165.68, 66.82], [-165.75, 66.85], [-165.82, 66.82], [-165.97, 66.47], [-166.5, 66.25], [-166.75, 66.35], [-167.0, 66.25], [-167.53, 66.47], [-167.75, 67.0], [-167.65, 67.25], [-167.75, 67.5], [-167.53, 68.03]]]]}, "2016-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-165.03, 68.03], [-164.5, 68.25], [-164.25, 68.15], [-164.18, 68.18], [-164.03, 68.53], [-163.5, 68.75], [-163.25, 68.65], [-163.0, 68.75], [-162.75, 68.65], [-162.5, 68.75], [-161.97, 68.53], [-161.75, 68.0], [-161.87, 67.7], [-161.75, 67.65], [-161.5, 67.75], [-160.97, 67.53], [-160.82, 67.18], [-160.47, 67.03], [-160.25, 66.5], [-160.47, 65.97], [-161.0, 65.75], [-161.25, 65.85], [-161.5, 65.75], [-161.75, 65.85], [-162.0, 65.75], [-162.25, 65.85], [-162.5, 65.75], [-162.75, 65.85], [-163.0, 65.75], [-163.25, 65.85], [-163.5, 65.75], [-163.75, 65.85], [-164.0, 65.75], [-164.53, 65.97], [-164.68, 66.32], [-165.03, 66.47], [-165.25, 67.0], [-165.15, 67.25], [-165.25, 67.5], [-165.03, 68.03]]]]}, "2016-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-162.0, 67.75], [-161.47, 67.53], [-161.25, 67.0], [-161.47, 66.47], [-162.0, 66.25], [-162.53, 66.47], [-162.75, 67.0], [-162.53, 67.53], [-162.0, 67.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.275419088574267}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.128872842625597}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.502704430267215, 14.728078221924534, 14.126670684661633, 13.12176159343295, 14.141636957075434, 13.001038839705188, 12.094612602068253, 13.64100478412854, 14.454738985026324, 14.811075956145885, 13.848023579150151]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.965390469403076, 17.424535229838398, 17.986980897407136, 15.792960697602723, 16.13324032648177, 14.74375847944384, 14.069386124028995, 15.098581346298658, 16.306955688379446, 16.64635147406665, 13.848023579150151]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.281490165886329, 6.125924616488991, 5.565690494661444, 4.583251643777769, 5.05454288853597, 4.363377293370392, 3.6821479449876735, 4.717121458275705, 5.49571659061793, 5.491743035330076, 4.695518332398308]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.7245430902195835, 8.521343704473963, 9.275419088574267, 6.152003503828951, 6.425861815491373, 5.577967792044433, 5.444500053229888, 6.3478749461607435, 7.324415399330803, 7.08379882841075, 4.695518332398308]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5725713305495845, 2.075547820821305, 1.8861392796174445, 1.5429234698108611, 1.708313359008554, 1.5436975576242808, 1.4420346048382535, 1.6328094222056309, 1.8737543246782826, 1.7152558303863177, 1.4429121160675087]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8089089023333904, 2.8704668052320605, 2.5551756913296324, 1.931336870022724, 2.2355033822303354, 1.7523494008301428, 1.651560886831681, 1.9678178314708359, 2.2896444643817513, 2.1003019306426576, 1.4429121160675087]}}