{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:40.943489", "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-Aug-07_to_2015-Aug-12_304.5_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": 2015080001726}, "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 07 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 12 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 61754.0133416492}, "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", "French Guiana", "Suriname"]}, "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": 304.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.5, 4.75], [-54.97, 4.53], [-54.75, 4.0], [-54.97, 3.47], [-55.5, 3.25], [-56.03, 3.47], [-56.25, 4.0], [-56.03, 4.53], [-55.5, 4.75]]]]}, "2015-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 2.5], [-57.15, 2.75], [-57.25, 3.0], [-57.03, 3.53], [-56.5, 3.75], [-56.25, 3.65], [-56.18, 3.68], [-56.15, 3.75], [-56.25, 4.0], [-56.03, 4.53], [-55.5, 4.75], [-54.97, 4.53], [-54.82, 4.18], [-54.47, 4.03], [-54.32, 3.68], [-53.97, 3.53], [-53.82, 3.18], [-53.47, 3.03], [-53.25, 2.5], [-53.35, 2.25], [-53.25, 2.0], [-53.47, 1.47], [-54.0, 1.25], [-54.25, 1.35], [-54.5, 1.25], [-55.03, 1.47], [-55.18, 1.82], [-55.25, 1.85], [-55.32, 1.82], [-55.47, 1.47], [-55.82, 1.32], [-55.97, 0.97], [-56.5, 0.75], [-56.75, 0.85], [-57.0, 0.75], [-57.53, 0.97], [-57.75, 1.5], [-57.53, 2.03], [-57.18, 2.18], [-57.15, 2.25], [-57.25, 2.5]]]]}, "2015-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 2.5], [-57.15, 2.75], [-57.25, 3.0], [-57.03, 3.53], [-56.5, 3.75], [-56.25, 3.65], [-56.18, 3.68], [-56.15, 3.75], [-56.25, 4.0], [-56.03, 4.53], [-55.5, 4.75], [-54.97, 4.53], [-54.82, 4.18], [-54.47, 4.03], [-54.32, 3.68], [-53.97, 3.53], [-53.82, 3.18], [-53.47, 3.03], [-53.25, 2.5], [-53.35, 2.25], [-53.25, 2.0], [-53.47, 1.47], [-54.0, 1.25], [-54.25, 1.35], [-54.5, 1.25], [-55.03, 1.47], [-55.18, 1.82], [-55.25, 1.85], [-55.32, 1.82], [-55.47, 1.47], [-55.82, 1.32], [-55.97, 0.97], [-56.5, 0.75], [-56.75, 0.85], [-57.0, 0.75], [-57.53, 0.97], [-57.75, 1.5], [-57.53, 2.03], [-57.18, 2.18], [-57.15, 2.25], [-57.25, 2.5]]]]}, "2015-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 2.5], [-57.15, 2.75], [-57.25, 3.0], [-57.03, 3.53], [-56.5, 3.75], [-56.25, 3.65], [-56.18, 3.68], [-56.15, 3.75], [-56.25, 4.0], [-56.03, 4.53], [-55.5, 4.75], [-54.97, 4.53], [-54.82, 4.18], [-54.47, 4.03], [-54.32, 3.68], [-53.97, 3.53], [-53.82, 3.18], [-53.47, 3.03], [-53.25, 2.5], [-53.35, 2.25], [-53.25, 2.0], [-53.47, 1.47], [-54.0, 1.25], [-54.25, 1.35], [-54.5, 1.25], [-55.03, 1.47], [-55.18, 1.82], [-55.25, 1.85], [-55.32, 1.82], [-55.47, 1.47], [-55.82, 1.32], [-55.97, 0.97], [-56.5, 0.75], [-56.75, 0.85], [-57.0, 0.75], [-57.53, 0.97], [-57.75, 1.5], [-57.53, 2.03], [-57.18, 2.18], [-57.15, 2.25], [-57.25, 2.5]]]]}, "2015-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 2.5], [-57.15, 2.75], [-57.25, 3.0], [-57.03, 3.53], [-56.5, 3.75], [-56.25, 3.65], [-56.18, 3.68], [-56.15, 3.75], [-56.25, 4.0], [-56.03, 4.53], [-55.5, 4.75], [-54.97, 4.53], [-54.82, 4.18], [-54.47, 4.03], [-54.32, 3.68], [-53.97, 3.53], [-53.75, 3.0], [-53.97, 2.47], [-54.5, 2.25], [-54.75, 2.35], [-54.82, 2.32], [-54.97, 1.97], [-55.32, 1.82], [-55.47, 1.47], [-55.82, 1.32], [-55.97, 0.97], [-56.5, 0.75], [-56.75, 0.85], [-57.0, 0.75], [-57.53, 0.97], [-57.75, 1.5], [-57.53, 2.03], [-57.18, 2.18], [-57.15, 2.25], [-57.25, 2.5]]]]}, "2015-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 3.0], [-57.03, 3.53], [-56.5, 3.75], [-56.07, 3.57], [-56.25, 4.0], [-56.03, 4.53], [-55.5, 4.75], [-54.97, 4.53], [-54.75, 4.0], [-54.97, 3.47], [-55.5, 3.25], [-55.93, 3.43], [-55.82, 3.18], [-55.47, 3.03], [-55.25, 2.5], [-55.47, 1.97], [-56.0, 1.75], [-56.53, 1.97], [-56.68, 2.32], [-57.03, 2.47], [-57.25, 3.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6122435061294595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2778043605285232}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.09381561800859, 26.828610623561588, 26.637389225377888, 26.793232631920546, 26.794991750857264, 26.486744930482075]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.09381561800859, 27.792572869969717, 27.43166705476972, 27.452374078313085, 27.629683207035043, 27.3728155141726]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.985019073442686, 1.3739471894402242, 1.1710575931672167, 1.2929891825745414, 1.3258624968016572, 1.1045695508820472]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.985019073442686, 1.6122435061294595, 1.3924285804505416, 1.5341994919068611, 1.5523466802797543, 1.2474571613966532]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4687497792637543, 1.9565895078429332, 1.6131135542603423, 1.7879166294926088, 1.793872984057878, 1.4256396182490956]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4687497792637543, 2.4041614042778163, 1.948051937411169, 2.164219017067374, 2.0372474776154137, 1.505116372897138]}}