{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:41.505005", "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": "2017-Apr-04_to_2017-Apr-20_314.5_-17.0"}, "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": 2017040001302}, "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": "April 04 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 20 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 17}, "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": 91123.13408759279}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": []}, "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": -17.0}, "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": 314.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "314.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.5, -16.25], [-44.97, -16.47], [-44.75, -17.0], [-44.97, -17.53], [-45.5, -17.75], [-46.03, -17.53], [-46.25, -17.0], [-46.03, -16.47], [-45.5, -16.25]]]]}, "2017-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -19.53], [-45.75, -19.0], [-45.53, -18.47], [-45.0, -18.25], [-44.47, -18.47], [-44.25, -19.0], [-44.47, -19.53], [-45.0, -19.75], [-45.53, -19.53]]], [[[-45.25, -16.35], [-45.0, -16.25], [-44.47, -16.47], [-44.25, -17.0], [-44.47, -17.53], [-44.82, -17.68], [-44.97, -18.03], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.53, -18.03], [-46.75, -17.5], [-46.53, -16.97], [-46.18, -16.82], [-46.03, -16.47], [-45.5, -16.25], [-45.25, -16.35]]]]}, "2017-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.96, -18.0], [-43.75, -18.5], [-43.85, -18.75], [-43.75, -19.0], [-43.85, -19.25], [-43.75, -19.5], [-43.97, -20.03], [-44.32, -20.18], [-44.47, -20.53], [-45.0, -20.75], [-45.25, -20.65], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.04, -19.5], [-46.25, -19.0], [-46.12, -18.7], [-46.53, -18.53], [-46.68, -18.18], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47]]]]}, "2017-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.96, -18.0], [-43.75, -18.5], [-43.85, -18.75], [-43.75, -19.0], [-43.85, -19.25], [-43.75, -19.5], [-43.97, -20.03], [-44.32, -20.18], [-44.47, -20.53], [-45.0, -20.75], [-45.25, -20.65], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.15, -19.75], [-46.25, -19.5], [-46.15, -19.25], [-46.25, -19.0], [-46.12, -18.7], [-46.53, -18.53], [-46.68, -18.18], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47]]]]}, "2017-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.96, -18.0], [-43.75, -18.5], [-43.85, -18.75], [-43.75, -19.0], [-43.85, -19.25], [-43.75, -19.5], [-43.97, -20.03], [-44.32, -20.18], [-44.47, -20.53], [-45.0, -20.75], [-45.25, -20.65], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.15, -19.75], [-46.25, -19.5], [-46.15, -19.25], [-46.25, -19.0], [-46.15, -18.75], [-46.18, -18.68], [-46.25, -18.65], [-46.5, -18.75], [-47.03, -18.53], [-47.25, -18.0], [-47.15, -17.75], [-47.25, -17.5], [-47.15, -17.25]]]]}, "2017-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.97], [-46.5, -16.75], [-46.25, -16.85], [-46.18, -16.82], [-46.03, -16.47], [-45.5, -16.25], [-45.25, -16.35], [-45.0, -16.25], [-44.47, -16.47], [-44.25, -17.0], [-44.46, -17.5], [-44.25, -18.0], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.25, -20.15], [-45.5, -20.25], [-46.03, -20.03], [-46.25, -19.5], [-46.15, -19.25], [-46.25, -19.0], [-46.15, -18.75], [-46.2, -18.62], [-46.5, -18.75], [-47.03, -18.53], [-47.25, -18.0], [-47.15, -17.75], [-47.25, -17.5], [-47.03, -16.97]]]]}, "2017-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.18, -16.82], [-46.03, -16.47], [-45.68, -16.32], [-45.53, -15.97], [-45.0, -15.75], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.25, -17.0], [-44.46, -17.5], [-44.25, -18.0], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.35, -19.75], [-44.25, -20.0], [-44.47, -20.53], [-45.0, -20.75], [-45.25, -20.65], [-45.5, -20.75], [-45.75, -20.65], [-46.0, -20.75], [-46.53, -20.53], [-46.75, -20.0], [-46.53, -19.47], [-46.18, -19.32], [-46.15, -19.25], [-46.25, -19.0], [-46.15, -18.75], [-46.18, -18.68], [-46.25, -18.65], [-46.5, -18.75], [-47.03, -18.53], [-47.25, -18.0], [-47.03, -17.47], [-46.68, -17.32], [-46.53, -16.97], [-46.18, -16.82]]]]}, "2017-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.15, -17.25], [-47.25, -17.0], [-47.15, -16.75], [-47.25, -16.5], [-47.03, -15.97], [-46.5, -15.75], [-46.0, -15.96], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.75, -17.0], [-43.97, -17.53], [-44.37, -17.7], [-44.25, -18.0], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.35, -19.75], [-44.25, -20.0], [-44.47, -20.53], [-45.0, -20.75], [-45.25, -20.65], [-45.5, -20.75], [-45.75, -20.65], [-46.0, -20.75], [-46.53, -20.53], [-46.75, -20.0], [-46.53, -19.47], [-46.18, -19.32], [-46.15, -19.25], [-46.25, -19.0], [-46.15, -18.75], [-46.18, -18.68], [-46.25, -18.65], [-46.5, -18.75], [-47.03, -18.53], [-47.25, -18.0], [-47.15, -17.75], [-47.25, -17.5], [-47.15, -17.25]]]]}, "2017-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.15, -16.75], [-47.25, -16.5], [-47.03, -15.97], [-46.68, -15.82], [-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.75, -17.0], [-43.97, -17.53], [-44.37, -17.7], [-44.25, -18.0], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.35, -19.75], [-44.25, -20.0], [-44.47, -20.53], [-45.0, -20.75], [-45.25, -20.65], [-45.5, -20.75], [-45.75, -20.65], [-46.0, -20.75], [-46.53, -20.53], [-46.75, -20.0], [-46.53, -19.47], [-46.18, -19.32], [-46.15, -19.25], [-46.25, -19.0], [-46.15, -18.75], [-46.18, -18.68], [-46.53, -18.53], [-46.68, -18.18], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.15, -16.75]]]]}, "2017-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.97, -19.53], [-45.5, -19.75], [-46.03, -19.53], [-46.25, -19.0], [-46.03, -18.47], [-45.5, -18.25], [-44.97, -18.47], [-44.75, -19.0], [-44.97, -19.53]]], [[[-47.25, -16.5], [-47.03, -15.97], [-46.68, -15.82], [-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.75, -15.85], [-44.5, -15.75], [-43.97, -15.97], [-43.75, -16.5], [-43.85, -16.75], [-43.75, -17.0], [-43.97, -17.53], [-44.5, -17.75], [-44.75, -17.65], [-44.82, -17.68], [-44.97, -18.03], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.15, -16.75], [-47.25, -16.5]]]]}, "2017-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.62, -16.3], [-46.75, -16.0], [-46.53, -15.47], [-46.0, -15.25], [-45.47, -15.47], [-45.32, -15.82], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.25, -17.0], [-44.47, -17.53], [-45.0, -17.75], [-45.25, -17.65], [-45.5, -17.75], [-45.8, -17.62], [-45.97, -18.03], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47]]]]}, "2017-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.47, -18.97], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03], [-45.68, -19.68], [-46.03, -19.53], [-46.25, -19.0], [-46.03, -18.47], [-45.5, -18.25], [-44.97, -18.47], [-44.82, -18.82], [-44.47, -18.97]]], [[[-47.25, -17.5], [-47.03, -16.97], [-46.5, -16.75], [-46.25, -16.85], [-46.18, -16.82], [-46.15, -16.75], [-46.25, -16.5], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.25, -17.0], [-44.47, -17.53], [-44.82, -17.68], [-44.97, -18.03], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5]]]]}, "2017-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.5, -16.25], [-46.2, -16.38], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.32, -16.32], [-43.97, -16.47], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.97, -18.03], [-44.32, -18.18], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03], [-45.68, -19.68], [-46.03, -19.53], [-46.25, -19.0], [-46.04, -18.5], [-46.18, -18.18], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47]]]]}, "2017-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.5, -16.25], [-46.2, -16.38], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.32, -16.32], [-43.97, -16.47], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.97, -18.03], [-44.32, -18.18], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03], [-45.68, -19.68], [-46.03, -19.53], [-46.25, -19.0], [-46.04, -18.5], [-46.18, -18.18], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47]]]]}, "2017-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.5, -16.25], [-46.2, -16.38], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.32, -16.32], [-43.97, -16.47], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.97, -18.03], [-44.32, -18.18], [-44.35, -18.25], [-44.25, -18.5], [-44.35, -18.75], [-44.25, -19.0], [-44.35, -19.25], [-44.25, -19.5], [-44.47, -20.03], [-45.0, -20.25], [-45.53, -20.03], [-45.68, -19.68], [-46.03, -19.53], [-46.25, -19.0], [-46.04, -18.5], [-46.18, -18.18], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.15, -17.25], [-47.25, -17.0], [-47.03, -16.47]]]]}, "2017-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -18.03], [-47.25, -17.5], [-47.03, -16.97], [-46.5, -16.75], [-46.25, -16.85], [-46.18, -16.82], [-46.15, -16.75], [-46.25, -16.5], [-46.03, -15.97], [-45.5, -15.75], [-45.25, -15.85], [-45.0, -15.75], [-44.47, -15.97], [-44.25, -16.5], [-44.35, -16.75], [-44.25, -17.0], [-44.47, -17.53], [-44.82, -17.68], [-44.97, -18.03], [-45.5, -18.25], [-45.75, -18.15], [-46.0, -18.25], [-46.25, -18.15], [-46.5, -18.25], [-47.03, -18.03]]]]}, "2017-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.5, -16.75], [-45.97, -16.97], [-45.75, -17.5], [-45.97, -18.03], [-46.5, -18.25], [-47.03, -18.03], [-47.25, -17.5], [-47.03, -16.97], [-46.5, -16.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.156531577766316}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4063716345538504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.24947310258466, 26.540436039663007, 26.63177456421164, 26.73372277499402, 26.822441755469356, 26.630950191712998, 26.481518082034597, 27.017353998315798, 26.835069398829262, 27.24439622742716, 27.522923322649604, 26.86645107681278, 26.664521040843397, 27.018682468377563, 26.9811423254763, 27.214274188630725, 26.732626858821504]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.24947310258466, 27.353000650339936, 28.27525063997666, 28.213039131921903, 28.278970666539692, 28.10302132505649, 28.54427979503805, 29.56641645536837, 29.453390967451924, 28.708277561818647, 28.24636107198677, 28.158900873003972, 28.367064061533313, 28.274934041971278, 28.894912085983037, 28.096372766943773, 26.732626858821504]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5912075553437717, 1.6168185214997948, 2.1553170633926926, 2.3338327540360413, 2.481438047054622, 2.311883356862163, 2.46114776355354, 2.8028466832159276, 2.5780126951962927, 2.417786299388289, 2.212821771104895, 2.1783843129853975, 2.194005803561839, 2.5732942851991805, 2.5693749271050894, 2.285433313895193, 1.9871596629027977]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5912075553437717, 1.7389175517697595, 3.0708790935121897, 3.1392245546394406, 3.7477261565584854, 3.046254622693425, 3.224205511753098, 4.156531577766316, 4.0531090155448055, 3.2897483556602083, 2.6743266247112842, 2.7883841512613117, 3.0099410470760404, 3.2555125395449522, 3.151626584551593, 2.6830094667310505, 1.9871596629027977]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3293515634251898, 1.2528500539193914, 1.582575296625481, 1.6282826162578046, 1.6746263106145787, 1.5276895785791689, 1.653417596338371, 1.9375660259845844, 1.8316974244508948, 1.7893016554073349, 1.6107475113107388, 1.5735453844005063, 1.6152999965696104, 1.8575503713297028, 1.8024900053144501, 1.5428710568542485, 1.456905132617553]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3293515634251898, 1.3711821256036458, 2.0620763576268137, 1.9664682025239706, 2.2529377566827034, 1.803917010770452, 1.997752587372105, 2.6788941961174144, 2.6687336931175483, 2.262350255755645, 1.8481187918665491, 1.949611144634668, 2.099759508963938, 2.374297878906766, 2.1807644181058334, 1.7476516560905104, 1.456905132617553]}}