{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:21.342574", "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": "2015-Feb-05_to_2015-Feb-11_293.5_-4.0"}, "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": 2015020001548}, "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": "February 05 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 351587.9181167084}, "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.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": -4.0}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.53, -2.47], [-65.0, -2.25], [-64.47, -2.47], [-64.32, -2.82], [-63.97, -2.97], [-63.75, -3.5], [-63.85, -3.75], [-63.75, -4.0], [-63.97, -4.53], [-64.5, -4.75], [-65.03, -4.53], [-65.18, -4.18], [-65.53, -4.03], [-65.75, -3.5], [-65.65, -3.25], [-65.75, -3.0], [-65.53, -2.47]]]]}, "2015-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, -0.5], [-68.53, 0.03], [-68.18, 0.18], [-68.15, 0.25], [-68.25, 0.5], [-68.03, 1.03], [-67.68, 1.18], [-67.53, 1.53], [-67.0, 1.75], [-66.47, 1.53], [-66.3, 1.12], [-66.0, 1.25], [-65.47, 1.03], [-65.25, 0.5], [-65.35, 0.25], [-65.25, 0.0], [-65.47, -0.53], [-66.0, -0.75], [-66.25, -0.65], [-66.32, -0.68], [-66.37, -0.8], [-65.97, -0.97], [-65.82, -1.32], [-65.75, -1.35], [-65.5, -1.25], [-64.97, -1.47], [-64.82, -1.82], [-64.75, -1.85], [-64.5, -1.75], [-63.97, -1.97], [-63.75, -2.5], [-63.85, -2.75], [-63.82, -2.82], [-63.47, -2.97], [-63.32, -3.32], [-63.25, -3.35], [-63.18, -3.32], [-63.03, -2.97], [-62.5, -2.75], [-62.0, -2.96], [-61.5, -2.75], [-61.25, -2.85], [-61.18, -2.82], [-61.03, -2.47], [-60.5, -2.25], [-59.97, -2.47], [-59.75, -3.0], [-59.97, -3.53], [-60.32, -3.68], [-60.47, -4.03], [-60.82, -4.18], [-60.97, -4.53], [-61.5, -4.75], [-61.75, -4.65], [-61.87, -4.7], [-61.75, -5.0], [-61.97, -5.53], [-62.5, -5.75], [-63.03, -5.53], [-63.18, -5.18], [-63.25, -5.15], [-63.5, -5.25], [-63.75, -5.15], [-64.0, -5.25], [-64.25, -5.15], [-64.5, -5.25], [-64.75, -5.15], [-65.0, -5.25], [-65.25, -5.15], [-65.5, -5.25], [-66.0, -5.04], [-66.5, -5.25], [-67.03, -5.03], [-67.18, -4.68], [-67.53, -4.53], [-67.75, -4.0], [-67.65, -3.75], [-67.75, -3.5], [-67.65, -3.25], [-67.75, -3.0], [-67.65, -2.75], [-67.75, -2.5], [-67.65, -2.25], [-67.75, -2.0], [-67.62, -1.7], [-68.03, -1.53], [-68.18, -1.18], [-68.53, -1.03], [-68.75, -0.5]]]]}, "2015-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -4.97], [-69.68, -4.82], [-69.65, -4.75], [-69.75, -4.5], [-69.65, -4.25], [-69.75, -4.0], [-69.65, -3.75], [-69.75, -3.5], [-69.65, -3.25], [-69.75, -3.0], [-69.65, -2.75], [-69.75, -2.5], [-69.53, -1.97], [-69.18, -1.82], [-69.15, -1.75], [-69.25, -1.5], [-69.03, -0.97], [-68.68, -0.82], [-68.65, -0.75], [-68.75, -0.5], [-68.53, 0.03], [-68.18, 0.18], [-68.15, 0.25], [-68.25, 0.5], [-68.03, 1.03], [-67.68, 1.18], [-67.53, 1.53], [-67.0, 1.75], [-66.47, 1.53], [-66.3, 1.12], [-66.0, 1.25], [-65.47, 1.03], [-65.25, 0.5], [-65.35, 0.25], [-65.25, 0.0], [-65.47, -0.53], [-66.0, -0.75], [-66.25, -0.65], [-66.32, -0.68], [-66.37, -0.8], [-65.97, -0.97], [-65.82, -1.32], [-65.75, -1.35], [-65.5, -1.25], [-64.97, -1.47], [-64.82, -1.82], [-64.75, -1.85], [-64.5, -1.75], [-63.97, -1.97], [-63.75, -2.5], [-63.85, -2.75], [-63.82, -2.82], [-63.47, -2.97], [-63.32, -3.32], [-63.25, -3.35], [-63.18, -3.32], [-63.03, -2.97], [-62.5, -2.75], [-62.0, -2.96], [-61.5, -2.75], [-61.25, -2.85], [-61.18, -2.82], [-61.03, -2.47], [-60.5, -2.25], [-59.97, -2.47], [-59.75, -3.0], [-59.97, -3.53], [-60.32, -3.68], [-60.47, -4.03], [-60.82, -4.18], [-60.97, -4.53], [-61.5, -4.75], [-61.75, -4.65], [-61.87, -4.7], [-61.75, -5.0], [-61.85, -5.25], [-61.75, -5.5], [-61.97, -6.03], [-62.5, -6.25], [-62.75, -6.15], [-63.0, -6.25], [-63.53, -6.03], [-63.75, -5.5], [-63.65, -5.25], [-63.68, -5.18], [-63.75, -5.15], [-64.0, -5.25], [-64.25, -5.15], [-64.32, -5.18], [-64.47, -5.53], [-64.82, -5.68], [-64.97, -6.03], [-65.5, -6.25], [-66.0, -6.04], [-66.5, -6.25], [-66.75, -6.15], [-66.82, -6.18], [-66.97, -6.53], [-67.5, -6.75], [-67.75, -6.65], [-67.82, -6.68], [-67.97, -7.03], [-68.5, -7.25], [-68.75, -7.15], [-69.0, -7.25], [-69.53, -7.03], [-69.68, -6.68], [-70.03, -6.53], [-70.25, -6.0], [-70.15, -5.75], [-70.25, -5.5], [-70.03, -4.97]]]]}, "2015-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -4.97], [-69.68, -4.82], [-69.65, -4.75], [-69.75, -4.5], [-69.65, -4.25], [-69.75, -4.0], [-69.65, -3.75], [-69.75, -3.5], [-69.65, -3.25], [-69.75, -3.0], [-69.65, -2.75], [-69.75, -2.5], [-69.53, -1.97], [-69.18, -1.82], [-69.15, -1.75], [-69.25, -1.5], [-69.03, -0.97], [-68.68, -0.82], [-68.65, -0.75], [-68.75, -0.5], [-68.53, 0.03], [-68.18, 0.18], [-68.15, 0.25], [-68.25, 0.5], [-68.03, 1.03], [-67.68, 1.18], [-67.53, 1.53], [-67.0, 1.75], [-66.47, 1.53], [-66.3, 1.12], [-66.0, 1.25], [-65.47, 1.03], [-65.25, 0.5], [-65.35, 0.25], [-65.25, 0.0], [-65.47, -0.53], [-66.0, -0.75], [-66.25, -0.65], [-66.32, -0.68], [-66.37, -0.8], [-65.97, -0.97], [-65.82, -1.32], [-65.75, -1.35], [-65.5, -1.25], [-64.97, -1.47], [-64.82, -1.82], [-64.75, -1.85], [-64.5, -1.75], [-63.97, -1.97], [-63.75, -2.5], [-63.85, -2.75], [-63.82, -2.82], [-63.47, -2.97], [-63.32, -3.32], [-63.25, -3.35], [-63.18, -3.32], [-63.03, -2.97], [-62.5, -2.75], [-62.0, -2.96], [-61.5, -2.75], [-61.25, -2.85], [-61.18, -2.82], [-61.03, -2.47], [-60.5, -2.25], [-59.97, -2.47], [-59.75, -3.0], [-59.97, -3.53], [-60.32, -3.68], [-60.47, -4.03], [-60.82, -4.18], [-60.97, -4.53], [-61.5, -4.75], [-61.75, -4.65], [-61.87, -4.7], [-61.75, -5.0], [-61.85, -5.25], [-61.75, -5.5], [-61.97, -6.03], [-62.5, -6.25], [-62.75, -6.15], [-63.0, -6.25], [-63.53, -6.03], [-63.75, -5.5], [-63.65, -5.25], [-63.68, -5.18], [-63.75, -5.15], [-64.0, -5.25], [-64.25, -5.15], [-64.32, -5.18], [-64.47, -5.53], [-64.82, -5.68], [-64.97, -6.03], [-65.5, -6.25], [-66.0, -6.04], [-66.5, -6.25], [-66.75, -6.15], [-66.82, -6.18], [-66.97, -6.53], [-67.5, -6.75], [-67.75, -6.65], [-67.82, -6.68], [-67.97, -7.03], [-68.5, -7.25], [-68.75, -7.15], [-69.0, -7.25], [-69.53, -7.03], [-69.68, -6.68], [-70.03, -6.53], [-70.25, -6.0], [-70.15, -5.75], [-70.25, -5.5], [-70.03, -4.97]]]]}, "2015-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -4.97], [-69.68, -4.82], [-69.65, -4.75], [-69.75, -4.5], [-69.65, -4.25], [-69.75, -4.0], [-69.65, -3.75], [-69.75, -3.5], [-69.65, -3.25], [-69.75, -3.0], [-69.65, -2.75], [-69.75, -2.5], [-69.53, -1.97], [-69.18, -1.82], [-69.15, -1.75], [-69.25, -1.5], [-69.03, -0.97], [-68.68, -0.82], [-68.53, -0.47], [-68.18, -0.32], [-68.15, -0.25], [-68.25, 0.0], [-68.15, 0.25], [-68.25, 0.5], [-68.03, 1.03], [-67.68, 1.18], [-67.53, 1.53], [-67.0, 1.75], [-66.47, 1.53], [-66.3, 1.12], [-66.0, 1.25], [-65.47, 1.03], [-65.25, 0.5], [-65.47, -0.03], [-65.82, -0.18], [-65.97, -0.53], [-66.32, -0.68], [-66.37, -0.8], [-65.97, -0.97], [-65.75, -1.5], [-65.85, -1.75], [-65.82, -1.82], [-65.75, -1.85], [-65.5, -1.75], [-65.25, -1.85], [-65.0, -1.75], [-64.47, -1.97], [-64.25, -2.5], [-64.35, -2.75], [-64.32, -2.82], [-63.97, -2.97], [-63.75, -3.5], [-63.93, -3.93], [-63.5, -3.75], [-63.25, -3.85], [-63.0, -3.75], [-62.47, -3.97], [-62.25, -4.5], [-62.35, -4.75], [-62.32, -4.82], [-61.97, -4.97], [-61.75, -5.5], [-61.97, -6.03], [-62.5, -6.25], [-62.75, -6.15], [-63.0, -6.25], [-63.53, -6.03], [-63.75, -5.5], [-63.65, -5.25], [-63.68, -5.18], [-64.03, -5.03], [-64.25, -4.5], [-64.35, -4.75], [-64.25, -5.0], [-64.47, -5.53], [-64.82, -5.68], [-64.97, -6.03], [-65.5, -6.25], [-66.0, -6.04], [-66.5, -6.25], [-66.75, -6.15], [-66.82, -6.18], [-66.97, -6.53], [-67.5, -6.75], [-67.75, -6.65], [-67.82, -6.68], [-67.97, -7.03], [-68.5, -7.25], [-68.75, -7.15], [-69.0, -7.25], [-69.53, -7.03], [-69.68, -6.68], [-70.03, -6.53], [-70.25, -6.0], [-70.15, -5.75], [-70.25, -5.5], [-70.03, -4.97]], [[-64.07, -4.07], [-64.32, -4.18], [-64.35, -4.25], [-64.25, -4.5], [-64.07, -4.07]]]]}, "2015-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -4.0], [-68.03, -3.47], [-67.68, -3.32], [-67.53, -2.97], [-67.18, -2.82], [-67.03, -2.47], [-66.5, -2.25], [-65.97, -2.47], [-65.82, -2.82], [-65.47, -2.97], [-65.25, -3.5], [-65.35, -3.75], [-65.25, -4.0], [-65.47, -4.53], [-65.82, -4.68], [-65.97, -5.03], [-66.5, -5.25], [-66.75, -5.15], [-67.0, -5.25], [-67.53, -5.03], [-67.68, -4.68], [-68.03, -4.53], [-68.25, -4.0]]]]}, "2015-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.65, -3.75], [-67.75, -3.5], [-67.53, -2.97], [-67.18, -2.82], [-67.03, -2.47], [-66.5, -2.25], [-65.97, -2.47], [-65.82, -2.82], [-65.47, -2.97], [-65.25, -3.5], [-65.35, -3.75], [-65.25, -4.0], [-65.47, -4.53], [-65.82, -4.68], [-65.97, -5.03], [-66.5, -5.25], [-66.75, -5.15], [-67.0, -5.25], [-67.53, -5.03], [-67.75, -4.5], [-67.65, -4.25], [-67.75, -4.0], [-67.65, -3.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0555517247521493}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0170424985993987}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.760784564793596, 27.738406031055717, 27.979985926933182, 28.49426593899352, 27.591697372015517, 27.49073114016437, 27.645413645898657]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.000411911623416, 28.685473519969833, 29.273734473860998, 29.420694188364564, 28.451773102745904, 27.702763969036425, 27.92591198933576]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.489941535653088, 1.661300925637492, 2.0400790692860404, 2.5379162451233945, 1.6924740382298937, 1.4996888061184621, 1.658637242384796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5620294680737743, 1.9803249818040172, 2.8155209120683367, 3.0555517247521493, 2.1609928925200848, 1.7257649388495793, 1.8973034196201866]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4175924779982765, 1.593920311103734, 2.0559680842808072, 2.5952465164408927, 1.7795187368877052, 1.560506104063953, 1.7717691626479484]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5052645253234251, 1.9459275083458034, 2.8048754975462273, 3.2269674439024083, 2.469223321001923, 1.7816793513355964, 2.025666193026265]}}