{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:50.331860", "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": "2012-Jun-28_to_2012-Jul-01_68.0_-70.0"}, "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": 2012060003191}, "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": "June 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 01 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 173782.1910894451}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern Ocean"]}, "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": -70.0}, "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": 68.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "68.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 56.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 69.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -72.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -65.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.5, -69.25], [67.75, -69.35], [68.0, -69.25], [68.25, -69.35], [68.5, -69.25], [68.75, -69.35], [69.0, -69.25], [69.53, -69.47], [69.75, -70.0], [69.53, -70.53], [69.18, -70.68], [69.03, -71.03], [68.5, -71.25], [68.25, -71.15], [68.0, -71.25], [67.75, -71.15], [67.5, -71.25], [66.97, -71.03], [66.75, -70.5], [66.85, -70.25], [66.75, -70.0], [66.97, -69.47], [67.5, -69.25]]], [[[63.0, -65.25], [63.25, -65.35], [63.5, -65.25], [63.75, -65.35], [64.0, -65.25], [64.25, -65.35], [64.5, -65.25], [64.75, -65.35], [65.0, -65.25], [65.53, -65.47], [65.68, -65.82], [65.75, -65.85], [66.0, -65.75], [66.53, -65.97], [66.75, -66.5], [66.65, -66.75], [66.75, -67.0], [66.53, -67.53], [66.0, -67.75], [65.75, -67.65], [65.5, -67.75], [65.25, -67.65], [65.0, -67.75], [64.75, -67.65], [64.5, -67.75], [64.25, -67.65], [64.0, -67.75], [63.75, -67.65], [63.5, -67.75], [63.25, -67.65], [63.0, -67.75], [62.47, -67.53], [62.25, -67.0], [62.46, -66.5], [62.25, -66.0], [62.47, -65.47], [63.0, -65.25]]]]}, "2012-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.97, -68.97], [56.5, -68.75], [56.75, -68.85], [56.82, -68.82], [56.85, -68.75], [56.75, -68.5], [56.85, -68.25], [56.75, -68.0], [56.97, -67.47], [57.32, -67.32], [57.47, -66.97], [58.0, -66.75], [58.25, -66.85], [58.5, -66.75], [58.75, -66.85], [59.0, -66.75], [59.53, -66.97], [59.68, -67.32], [60.03, -67.47], [60.18, -67.82], [60.25, -67.85], [60.5, -67.75], [60.75, -67.85], [61.0, -67.75], [61.25, -67.85], [61.32, -67.82], [61.47, -67.47], [62.0, -67.25], [62.25, -67.35], [62.38, -67.3], [62.25, -67.0], [62.46, -66.5], [62.25, -66.0], [62.47, -65.47], [63.0, -65.25], [63.25, -65.35], [63.5, -65.25], [63.75, -65.35], [64.0, -65.25], [64.25, -65.35], [64.5, -65.25], [64.75, -65.35], [65.0, -65.25], [65.53, -65.47], [65.68, -65.82], [65.75, -65.85], [66.0, -65.75], [66.53, -65.97], [66.75, -66.5], [66.65, -66.75], [66.75, -67.0], [66.65, -67.25], [66.68, -67.32], [66.75, -67.35], [67.0, -67.25], [67.25, -67.35], [67.5, -67.25], [67.75, -67.35], [68.0, -67.25], [68.53, -67.47], [68.75, -68.0], [68.53, -68.53], [68.18, -68.68], [68.15, -68.75], [68.25, -69.0], [68.13, -69.3], [68.25, -69.35], [68.5, -69.25], [68.75, -69.35], [69.0, -69.25], [69.53, -69.47], [69.75, -70.0], [69.53, -70.53], [69.18, -70.68], [69.03, -71.03], [68.5, -71.25], [68.25, -71.15], [68.0, -71.25], [67.75, -71.15], [67.5, -71.25], [66.97, -71.03], [66.82, -70.68], [66.47, -70.53], [66.32, -70.18], [66.25, -70.15], [66.0, -70.25], [65.75, -70.15], [65.5, -70.25], [65.25, -70.15], [65.0, -70.25], [64.75, -70.15], [64.5, -70.25], [64.25, -70.15], [64.0, -70.25], [63.75, -70.15], [63.5, -70.25], [63.25, -70.15], [63.0, -70.25], [63.53, -70.47], [63.75, -71.0], [63.53, -71.53], [63.0, -71.75], [62.75, -71.65], [62.68, -71.68], [62.53, -72.03], [62.0, -72.25], [61.75, -72.15], [61.5, -72.25], [61.25, -72.15], [61.0, -72.25], [60.75, -72.15], [60.68, -72.18], [60.53, -72.53], [60.0, -72.75], [59.75, -72.65], [59.5, -72.75], [59.25, -72.65], [59.0, -72.75], [58.75, -72.65], [58.5, -72.75], [58.25, -72.65], [58.0, -72.75], [57.47, -72.53], [57.25, -72.0], [57.35, -71.75], [57.25, -71.5], [57.35, -71.25], [57.32, -71.18], [57.25, -71.15], [57.0, -71.25], [56.47, -71.03], [56.32, -70.68], [55.97, -70.53], [55.75, -70.0], [55.85, -69.75], [55.75, -69.5], [55.97, -68.97]], [[62.75, -70.15], [62.63, -70.2], [62.68, -70.32], [62.75, -70.35], [63.0, -70.25], [62.75, -70.15]]]]}, "2012-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.97, -68.97], [56.5, -68.75], [56.75, -68.85], [56.82, -68.82], [56.85, -68.75], [56.75, -68.5], [56.85, -68.25], [56.75, -68.0], [56.97, -67.47], [57.32, -67.32], [57.47, -66.97], [58.0, -66.75], [58.25, -66.85], [58.5, -66.75], [58.75, -66.85], [59.0, -66.75], [59.53, -66.97], [59.68, -67.32], [60.03, -67.47], [60.18, -67.82], [60.25, -67.85], [60.5, -67.75], [60.75, -67.85], [61.0, -67.75], [61.25, -67.85], [61.32, -67.82], [61.47, -67.47], [62.0, -67.25], [62.25, -67.35], [62.38, -67.3], [62.25, -67.0], [62.46, -66.5], [62.25, -66.0], [62.47, -65.47], [63.0, -65.25], [63.25, -65.35], [63.5, -65.25], [63.75, -65.35], [64.0, -65.25], [64.25, -65.35], [64.5, -65.25], [64.75, -65.35], [65.0, -65.25], [65.53, -65.47], [65.68, -65.82], [65.75, -65.85], [66.0, -65.75], [66.53, -65.97], [66.75, -66.5], [66.65, -66.75], [66.75, -67.0], [66.65, -67.25], [66.68, -67.32], [66.75, -67.35], [67.0, -67.25], [67.25, -67.35], [67.5, -67.25], [67.75, -67.35], [68.0, -67.25], [68.53, -67.47], [68.75, -68.0], [68.53, -68.53], [68.18, -68.68], [68.15, -68.75], [68.25, -69.0], [68.13, -69.3], [68.25, -69.35], [68.5, -69.25], [68.75, -69.35], [69.0, -69.25], [69.53, -69.47], [69.75, -70.0], [69.53, -70.53], [69.18, -70.68], [69.03, -71.03], [68.5, -71.25], [68.25, -71.15], [68.0, -71.25], [67.75, -71.15], [67.5, -71.25], [66.97, -71.03], [66.82, -70.68], [66.47, -70.53], [66.32, -70.18], [66.25, -70.15], [66.0, -70.25], [65.75, -70.15], [65.5, -70.25], [65.25, -70.15], [65.0, -70.25], [64.75, -70.15], [64.5, -70.25], [64.25, -70.15], [64.0, -70.25], [63.75, -70.15], [63.5, -70.25], [63.25, -70.15], [63.0, -70.25], [63.53, -70.47], [63.75, -71.0], [63.53, -71.53], [63.0, -71.75], [62.75, -71.65], [62.68, -71.68], [62.53, -72.03], [62.0, -72.25], [61.75, -72.15], [61.5, -72.25], [61.25, -72.15], [61.0, -72.25], [60.75, -72.15], [60.68, -72.18], [60.53, -72.53], [60.0, -72.75], [59.75, -72.65], [59.5, -72.75], [59.25, -72.65], [59.0, -72.75], [58.75, -72.65], [58.5, -72.75], [58.25, -72.65], [58.0, -72.75], [57.47, -72.53], [57.25, -72.0], [57.35, -71.75], [57.25, -71.5], [57.35, -71.25], [57.32, -71.18], [57.25, -71.15], [57.0, -71.25], [56.47, -71.03], [56.32, -70.68], [55.97, -70.53], [55.75, -70.0], [55.85, -69.75], [55.75, -69.5], [55.97, -68.97]], [[62.75, -70.15], [62.63, -70.2], [62.68, -70.32], [62.75, -70.35], [63.0, -70.25], [62.75, -70.15]]]]}, "2012-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.97, -68.97], [56.5, -68.75], [56.75, -68.85], [56.82, -68.82], [56.85, -68.75], [56.75, -68.5], [56.85, -68.25], [56.75, -68.0], [56.97, -67.47], [57.32, -67.32], [57.47, -66.97], [58.0, -66.75], [58.25, -66.85], [58.5, -66.75], [58.75, -66.85], [59.0, -66.75], [59.53, -66.97], [59.68, -67.32], [60.03, -67.47], [60.18, -67.82], [60.25, -67.85], [60.5, -67.75], [60.75, -67.85], [61.0, -67.75], [61.25, -67.85], [61.32, -67.82], [61.47, -67.47], [62.0, -67.25], [62.25, -67.35], [62.5, -67.25], [62.75, -67.35], [63.0, -67.25], [63.25, -67.35], [63.5, -67.25], [63.75, -67.35], [64.0, -67.25], [64.25, -67.35], [64.32, -67.32], [64.47, -66.97], [65.0, -66.75], [65.25, -66.85], [65.5, -66.75], [65.75, -66.85], [66.0, -66.75], [66.53, -66.97], [66.68, -67.32], [66.75, -67.35], [67.0, -67.25], [67.25, -67.35], [67.5, -67.25], [67.75, -67.35], [68.0, -67.25], [68.53, -67.47], [68.75, -68.0], [68.53, -68.53], [68.18, -68.68], [68.15, -68.75], [68.25, -69.0], [68.13, -69.3], [68.25, -69.35], [68.5, -69.25], [69.03, -69.47], [69.25, -70.0], [69.03, -70.53], [68.68, -70.68], [68.53, -71.03], [68.0, -71.25], [67.75, -71.15], [67.5, -71.25], [66.97, -71.03], [66.82, -70.68], [66.47, -70.53], [66.32, -70.18], [66.25, -70.15], [66.0, -70.25], [65.75, -70.15], [65.5, -70.25], [65.25, -70.15], [65.0, -70.25], [64.75, -70.15], [64.5, -70.25], [64.25, -70.15], [64.0, -70.25], [63.75, -70.15], [63.5, -70.25], [63.25, -70.15], [63.0, -70.25], [63.53, -70.47], [63.75, -71.0], [63.53, -71.53], [63.0, -71.75], [62.75, -71.65], [62.68, -71.68], [62.53, -72.03], [62.0, -72.25], [61.75, -72.15], [61.5, -72.25], [61.25, -72.15], [61.0, -72.25], [60.75, -72.15], [60.68, -72.18], [60.53, -72.53], [60.0, -72.75], [59.75, -72.65], [59.5, -72.75], [59.25, -72.65], [59.0, -72.75], [58.75, -72.65], [58.5, -72.75], [58.25, -72.65], [58.0, -72.75], [57.47, -72.53], [57.25, -72.0], [57.35, -71.75], [57.25, -71.5], [57.35, -71.25], [57.32, -71.18], [57.25, -71.15], [57.0, -71.25], [56.47, -71.03], [56.32, -70.68], [55.97, -70.53], [55.75, -70.0], [55.85, -69.75], [55.75, -69.5], [55.97, -68.97]], [[62.75, -70.15], [62.63, -70.2], [62.68, -70.32], [62.75, -70.35], [63.0, -70.25], [62.75, -70.15]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.3840337348378}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.631509557571679}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-12.541755686531587, -21.919146761403397, -23.454285737028613, -26.55952639038466]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-10.329946206779084, -6.1923897951369895, -7.904029805073549, -8.320651358291627]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.5995270268490325, 9.690469063440474, 8.590837845368846, 7.83375660009956]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.59766144025005, 13.3840337348378, 9.86910757935695, 9.011206840498573]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4661753122105512, 1.9763027422050508, 1.6962493389300606, 1.4927631839312143]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6037797280964754, 2.8135422255724354, 2.08117026101926, 1.8581698586247652]}}