{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:34.703334", "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-Jul-31_to_2015-Aug-04_17.5_-7.5"}, "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": 2015070003232}, "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": "July 31 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 55087.758494602575}, "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": ["Angola", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": -7.5}, "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": 17.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, -6.47], [16.5, -6.25], [17.03, -6.47], [17.18, -6.82], [17.25, -6.85], [17.5, -6.75], [18.03, -6.97], [18.25, -7.5], [18.03, -8.03], [17.5, -8.25], [17.25, -8.15], [17.0, -8.25], [16.75, -8.15], [16.5, -8.25], [15.97, -8.03], [15.75, -7.5], [15.85, -7.25], [15.75, -7.0], [15.97, -6.47]]]]}, "2015-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -6.75], [15.75, -6.5], [15.97, -5.97], [16.5, -5.75], [16.75, -5.85], [17.0, -5.75], [17.53, -5.97], [17.75, -6.5], [17.65, -6.75], [17.68, -6.82], [18.03, -6.97], [18.2, -7.37], [18.5, -7.25], [19.03, -7.47], [19.25, -8.0], [19.15, -8.25], [19.25, -8.5], [19.15, -8.75], [19.25, -9.0], [19.03, -9.53], [18.68, -9.68], [18.53, -10.03], [18.0, -10.25], [17.47, -10.03], [17.25, -9.5], [17.47, -8.97], [17.82, -8.82], [17.85, -8.75], [17.75, -8.5], [17.85, -8.25], [17.8, -8.12], [17.5, -8.25], [17.25, -8.15], [17.0, -8.25], [16.75, -8.15], [16.5, -8.25], [15.97, -8.03], [15.75, -7.5], [15.85, -7.25], [15.75, -7.0], [15.85, -6.75]]]]}, "2015-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -6.75], [15.75, -6.5], [15.97, -5.97], [16.5, -5.75], [16.75, -5.85], [17.0, -5.75], [17.53, -5.97], [17.75, -6.5], [17.65, -6.75], [17.68, -6.82], [18.03, -6.97], [18.2, -7.37], [18.5, -7.25], [19.03, -7.47], [19.25, -8.0], [19.15, -8.25], [19.25, -8.5], [19.15, -8.75], [19.25, -9.0], [19.03, -9.53], [18.68, -9.68], [18.53, -10.03], [18.0, -10.25], [17.47, -10.03], [17.32, -9.68], [17.25, -9.65], [17.0, -9.75], [16.47, -9.53], [16.32, -9.18], [15.97, -9.03], [15.75, -8.5], [15.96, -8.0], [15.75, -7.5], [15.85, -7.25], [15.75, -7.0], [15.85, -6.75]]]]}, "2015-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.75, -8.5], [15.97, -7.97], [16.32, -7.82], [16.35, -7.75], [16.25, -7.5], [16.35, -7.25], [16.32, -7.18], [15.97, -7.03], [15.75, -6.5], [15.97, -5.97], [16.5, -5.75], [16.75, -5.85], [17.0, -5.75], [17.53, -5.97], [17.75, -6.5], [17.65, -6.75], [17.68, -6.82], [18.03, -6.97], [18.2, -7.37], [18.5, -7.25], [19.03, -7.47], [19.25, -8.0], [19.15, -8.25], [19.25, -8.5], [19.15, -8.75], [19.25, -9.0], [19.03, -9.53], [18.68, -9.68], [18.53, -10.03], [18.0, -10.25], [17.47, -10.03], [17.32, -9.68], [17.25, -9.65], [17.0, -9.75], [16.47, -9.53], [16.32, -9.18], [15.97, -9.03], [15.75, -8.5]]]]}, "2015-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.75, -8.5], [15.97, -7.97], [16.32, -7.82], [16.47, -7.47], [17.0, -7.25], [17.53, -7.47], [17.68, -7.82], [17.75, -7.85], [18.0, -7.75], [18.53, -7.97], [18.75, -8.5], [18.53, -9.03], [18.18, -9.18], [18.03, -9.53], [17.5, -9.75], [17.25, -9.65], [17.0, -9.75], [16.47, -9.53], [16.32, -9.18], [15.97, -9.03], [15.75, -8.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.605916481916438}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5902690818380216}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.01839350328504, 26.603828147396314, 27.139426027716354, 27.260650723435276, 26.630656149243634]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.6646180022546, 28.05455444314049, 28.36901616504889, 28.427700037439138, 27.01584990183295]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2702242201692258, 1.3517359082334897, 1.7692440881689637, 1.8643753950335018, 1.061239543443792]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4304203488526355, 1.7569233691472164, 2.5856058408231775, 2.605916481916438, 1.207439925915935]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.560357740179858, 1.6364234583171073, 2.2255457624495043, 2.35356778532434, 1.3910041980540246]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6902427597170064, 2.1687883840827533, 3.1097200034825128, 3.2168749814966895, 1.5581146112962]}}