{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:47.829781", "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": "2010-May-22_to_2010-May-26_10.5_6.5"}, "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": 2010050002340}, "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": "May 22 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 26 2010"}, "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": 61551.174952879126}, "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": ["Cameroon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "Western-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": 6.5}, "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": 10.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "10.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 12.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 6.53], [9.82, 6.68], [9.97, 7.03], [10.5, 7.25], [11.03, 7.03], [11.25, 6.5], [11.03, 5.97], [10.68, 5.82], [10.65, 5.75], [10.75, 5.5], [10.53, 4.97], [10.0, 4.75], [9.47, 4.97], [9.25, 5.5], [9.35, 5.75], [9.25, 6.0], [9.47, 6.53]]]]}, "2010-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, 5.25], [9.25, 5.5], [9.35, 5.75], [9.25, 6.0], [9.47, 6.53], [9.82, 6.68], [9.97, 7.03], [10.5, 7.25], [11.03, 7.03], [11.25, 6.5], [11.03, 5.97], [10.68, 5.82], [10.65, 5.75], [10.68, 5.68], [11.03, 5.53], [11.25, 5.0], [11.15, 4.75], [11.25, 4.5], [11.03, 3.97], [10.5, 3.75], [10.25, 3.85], [10.0, 3.75], [9.47, 3.97], [9.25, 4.5], [9.35, 4.75], [9.25, 5.0], [9.35, 5.25]]]]}, "2010-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, 5.0], [8.97, 5.53], [9.32, 5.68], [9.35, 5.75], [9.25, 6.0], [9.47, 6.53], [9.82, 6.68], [9.97, 7.03], [10.5, 7.25], [10.75, 7.15], [11.0, 7.25], [11.53, 7.03], [11.75, 6.5], [11.65, 6.25], [11.68, 6.18], [11.75, 6.15], [12.0, 6.25], [12.53, 6.03], [12.75, 5.5], [12.65, 5.25], [12.75, 5.0], [12.53, 4.47], [12.18, 4.32], [12.03, 3.97], [11.5, 3.75], [11.25, 3.85], [11.0, 3.75], [10.75, 3.85], [10.5, 3.75], [10.25, 3.85], [10.0, 3.75], [9.47, 3.97], [9.32, 4.32], [8.97, 4.47], [8.75, 5.0]]]]}, "2010-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, 5.0], [8.97, 5.53], [9.5, 5.75], [9.75, 5.65], [9.82, 5.68], [9.85, 5.75], [9.75, 6.0], [9.85, 6.25], [9.75, 6.5], [9.97, 7.03], [10.5, 7.25], [10.75, 7.15], [11.0, 7.25], [11.53, 7.03], [11.75, 6.5], [11.65, 6.25], [11.68, 6.18], [11.75, 6.15], [12.0, 6.25], [12.53, 6.03], [12.75, 5.5], [12.65, 5.25], [12.75, 5.0], [12.53, 4.47], [12.18, 4.32], [12.03, 3.97], [11.5, 3.75], [11.25, 3.85], [11.0, 3.75], [10.75, 3.85], [10.5, 3.75], [10.25, 3.85], [10.0, 3.75], [9.47, 3.97], [9.32, 4.32], [8.97, 4.47], [8.75, 5.0]]]]}, "2010-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, 4.47], [8.75, 5.0], [8.97, 5.53], [9.5, 5.75], [9.75, 5.65], [9.82, 5.68], [9.85, 5.75], [9.75, 6.0], [9.85, 6.25], [9.75, 6.5], [9.97, 7.03], [10.5, 7.25], [10.75, 7.15], [11.0, 7.25], [11.53, 7.03], [11.75, 6.5], [11.65, 6.25], [11.68, 6.18], [11.75, 6.15], [12.0, 6.25], [12.53, 6.03], [12.75, 5.5], [12.65, 5.25], [12.75, 5.0], [12.53, 4.47], [12.18, 4.32], [12.03, 3.97], [11.5, 3.75], [11.25, 3.85], [11.0, 3.75], [10.47, 3.97], [10.32, 4.32], [10.25, 4.35], [10.0, 4.25], [9.75, 4.35], [9.5, 4.25], [8.97, 4.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3083364495478804}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5448529890444647}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.528240041863285, 23.506652276738635, 24.735336671217965, 24.779227069370336, 24.321766536165853]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.85905880338595, 27.174182449749992, 28.043312839240343, 27.269663219552683, 26.44963251841648]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0982195417352993, 1.2235066082032193, 1.7791520958592002, 1.5933925689390631, 1.4217048911331354]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2263622707528725, 1.3994994880214904, 2.3083364495478804, 2.3016245948271035, 1.8488197480152166]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.524755005598485, 1.5857785026909688, 2.0240048779477307, 1.7174801034578353, 1.5001736752372772]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6030038247685476, 1.8893584463276858, 2.3471409561402554, 2.1914149136808683, 1.9063781969511853]}}