{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:43.705523", "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": "2012-Jun-03_to_2012-Jun-07_353.0_30.5"}, "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": 2012060001926}, "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": "June 03 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2012"}, "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": 95500.59434658753}, "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": ["Algeria", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "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": 30.5}, "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": 353.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.18, 30.68], [-8.03, 31.03], [-7.5, 31.25], [-7.25, 31.15], [-7.0, 31.25], [-6.47, 31.03], [-6.32, 30.68], [-5.97, 30.53], [-5.75, 30.0], [-5.97, 29.47], [-6.5, 29.25], [-6.75, 29.35], [-6.82, 29.32], [-6.97, 28.97], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.03, 30.03], [-8.68, 30.18], [-8.53, 30.53], [-8.18, 30.68]]]]}, "2012-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 30.53], [-8.68, 30.68], [-8.53, 31.03], [-8.18, 31.18], [-8.03, 31.53], [-7.5, 31.75], [-7.25, 31.65], [-7.18, 31.68], [-7.03, 32.03], [-6.5, 32.25], [-6.25, 32.15], [-6.18, 32.18], [-6.03, 32.53], [-5.5, 32.75], [-5.0, 32.54], [-4.5, 32.75], [-4.0, 32.54], [-3.5, 32.75], [-3.25, 32.65], [-3.0, 32.75], [-2.75, 32.65], [-2.5, 32.75], [-2.25, 32.65], [-2.0, 32.75], [-1.47, 32.53], [-1.25, 32.0], [-1.47, 31.47], [-2.0, 31.25], [-2.25, 31.35], [-2.5, 31.25], [-2.75, 31.35], [-2.82, 31.32], [-2.97, 30.97], [-3.5, 30.75], [-3.75, 30.85], [-3.82, 30.82], [-3.97, 30.47], [-4.32, 30.32], [-4.47, 29.97], [-5.0, 29.75], [-5.25, 29.85], [-5.32, 29.82], [-5.47, 29.47], [-6.0, 29.25], [-6.25, 29.35], [-6.5, 29.25], [-6.75, 29.35], [-6.82, 29.32], [-6.97, 28.97], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.15, 29.75], [-9.25, 30.0], [-9.03, 30.53]]]]}, "2012-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 30.53], [-8.68, 30.68], [-8.53, 31.03], [-8.18, 31.18], [-8.03, 31.53], [-7.5, 31.75], [-7.25, 31.65], [-7.18, 31.68], [-7.03, 32.03], [-6.5, 32.25], [-6.25, 32.15], [-6.18, 32.18], [-6.03, 32.53], [-5.5, 32.75], [-5.0, 32.54], [-4.5, 32.75], [-4.0, 32.54], [-3.5, 32.75], [-3.25, 32.65], [-3.0, 32.75], [-2.75, 32.65], [-2.5, 32.75], [-2.25, 32.65], [-2.0, 32.75], [-1.47, 32.53], [-1.25, 32.0], [-1.47, 31.47], [-2.0, 31.25], [-2.25, 31.35], [-2.5, 31.25], [-2.75, 31.35], [-2.82, 31.32], [-2.97, 30.97], [-3.5, 30.75], [-3.75, 30.85], [-3.82, 30.82], [-3.97, 30.47], [-4.32, 30.32], [-4.47, 29.97], [-5.0, 29.75], [-5.25, 29.85], [-5.32, 29.82], [-5.47, 29.47], [-6.0, 29.25], [-6.25, 29.35], [-6.5, 29.25], [-6.75, 29.35], [-6.82, 29.32], [-6.97, 28.97], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.15, 29.75], [-9.25, 30.0], [-9.03, 30.53]]]]}, "2012-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 30.53], [-8.68, 30.68], [-8.53, 31.03], [-8.18, 31.18], [-8.03, 31.53], [-7.5, 31.75], [-7.25, 31.65], [-7.18, 31.68], [-7.03, 32.03], [-6.5, 32.25], [-6.25, 32.15], [-6.18, 32.18], [-6.03, 32.53], [-5.5, 32.75], [-5.0, 32.54], [-4.5, 32.75], [-4.0, 32.54], [-3.5, 32.75], [-3.25, 32.65], [-3.0, 32.75], [-2.75, 32.65], [-2.5, 32.75], [-2.25, 32.65], [-2.0, 32.75], [-1.47, 32.53], [-1.25, 32.0], [-1.47, 31.47], [-2.0, 31.25], [-2.25, 31.35], [-2.5, 31.25], [-2.75, 31.35], [-2.82, 31.32], [-2.97, 30.97], [-3.5, 30.75], [-3.75, 30.85], [-3.82, 30.82], [-3.97, 30.47], [-4.32, 30.32], [-4.47, 29.97], [-5.0, 29.75], [-5.25, 29.85], [-5.32, 29.82], [-5.47, 29.47], [-6.0, 29.25], [-6.25, 29.35], [-6.5, 29.25], [-6.75, 29.35], [-6.82, 29.32], [-6.97, 28.97], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.15, 29.75], [-9.25, 30.0], [-9.03, 30.53]]]]}, "2012-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.03, 31.47], [-4.25, 32.0], [-4.03, 32.53], [-3.5, 32.75], [-3.25, 32.65], [-3.0, 32.75], [-2.5, 32.54], [-2.0, 32.75], [-1.47, 32.53], [-1.25, 32.0], [-1.47, 31.47], [-2.0, 31.25], [-2.5, 31.46], [-3.0, 31.25], [-3.25, 31.35], [-3.5, 31.25], [-4.03, 31.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.482567846395227}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6940800050113034}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.12057283964174, 29.87799378979014, 30.257959294685065, 30.383893446858906, 31.581020808600954]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.67031679767808, 35.5563347560813, 35.84058421742685, 35.90052233398387, 32.28995645406553]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3166182119368526, 3.494972355668065, 3.786750129939561, 3.8778712465729988, 3.8982207784740885]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6111006013106817, 4.837653594354663, 4.992894558633395, 5.482567846395227, 3.9892780544407174]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3415222855814006, 1.3717928299609292, 1.5087812737345387, 1.5548157725409384, 1.408612788444213]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4300631518410598, 1.7128189539844292, 1.7940934562130302, 1.8273922066276735, 1.4385318181042157]}}