{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:46.749878", "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-Sep-27_to_2010-Sep-30_353.5_4.5"}, "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": 2010090002647}, "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": "September 27 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 61651.329413943255}, "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": ["C\u00f4te d'Ivoire"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Atlantic-Ocean", "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": ["Gulf of Guinea", "North Atlantic Ocean"]}, "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": 4.5}, "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": 353.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 355.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.53, 3.47], [-8.75, 4.0], [-8.53, 4.53], [-8.0, 4.75], [-7.75, 4.65], [-7.5, 4.75], [-7.25, 4.65], [-7.18, 4.68], [-7.03, 5.03], [-6.5, 5.25], [-6.25, 5.15], [-6.0, 5.25], [-5.47, 5.03], [-5.25, 4.5], [-5.47, 3.97], [-6.0, 3.75], [-6.25, 3.85], [-6.32, 3.82], [-6.47, 3.47], [-7.0, 3.25], [-7.25, 3.35], [-7.5, 3.25], [-7.75, 3.35], [-8.0, 3.25], [-8.53, 3.47]]]]}, "2010-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 4.0], [-9.53, 4.53], [-9.0, 4.75], [-8.75, 4.65], [-8.5, 4.75], [-8.25, 4.65], [-8.0, 4.75], [-7.75, 4.65], [-7.68, 4.68], [-7.53, 5.03], [-7.0, 5.25], [-6.75, 5.15], [-6.68, 5.18], [-6.53, 5.53], [-6.0, 5.75], [-5.75, 5.65], [-5.5, 5.75], [-5.25, 5.65], [-5.0, 5.75], [-4.75, 5.65], [-4.5, 5.75], [-3.97, 5.53], [-3.75, 5.0], [-3.96, 4.5], [-3.75, 4.0], [-3.97, 3.47], [-4.5, 3.25], [-4.75, 3.35], [-4.82, 3.32], [-4.97, 2.97], [-5.5, 2.75], [-6.03, 2.97], [-6.18, 3.32], [-6.5, 3.46], [-7.0, 3.25], [-7.25, 3.35], [-7.32, 3.32], [-7.47, 2.97], [-8.0, 2.75], [-8.25, 2.85], [-8.5, 2.75], [-9.03, 2.97], [-9.18, 3.32], [-9.53, 3.47], [-9.75, 4.0]]]]}, "2010-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 4.0], [-9.53, 4.53], [-9.0, 4.75], [-8.75, 4.65], [-8.5, 4.75], [-8.25, 4.65], [-8.0, 4.75], [-7.75, 4.65], [-7.68, 4.68], [-7.53, 5.03], [-7.0, 5.25], [-6.75, 5.15], [-6.68, 5.18], [-6.53, 5.53], [-6.0, 5.75], [-5.75, 5.65], [-5.5, 5.75], [-5.25, 5.65], [-5.0, 5.75], [-4.75, 5.65], [-4.5, 5.75], [-3.97, 5.53], [-3.75, 5.0], [-3.96, 4.5], [-3.75, 4.0], [-3.97, 3.47], [-4.5, 3.25], [-4.75, 3.35], [-4.82, 3.32], [-4.97, 2.97], [-5.5, 2.75], [-6.03, 2.97], [-6.18, 3.32], [-6.5, 3.46], [-7.0, 3.25], [-7.25, 3.35], [-7.32, 3.32], [-7.47, 2.97], [-8.0, 2.75], [-8.25, 2.85], [-8.5, 2.75], [-9.03, 2.97], [-9.18, 3.32], [-9.53, 3.47], [-9.75, 4.0]]]]}, "2010-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 4.0], [-9.53, 4.53], [-9.0, 4.75], [-8.75, 4.65], [-8.5, 4.75], [-8.25, 4.65], [-8.0, 4.75], [-7.75, 4.65], [-7.68, 4.68], [-7.53, 5.03], [-7.0, 5.25], [-6.75, 5.15], [-6.68, 5.18], [-6.53, 5.53], [-6.0, 5.75], [-5.75, 5.65], [-5.5, 5.75], [-5.25, 5.65], [-5.0, 5.75], [-4.75, 5.65], [-4.5, 5.75], [-3.97, 5.53], [-3.75, 5.0], [-3.96, 4.5], [-3.75, 4.0], [-3.97, 3.47], [-4.5, 3.25], [-4.75, 3.35], [-4.82, 3.32], [-4.97, 2.97], [-5.5, 2.75], [-6.03, 2.97], [-6.18, 3.32], [-6.5, 3.46], [-7.0, 3.25], [-7.25, 3.35], [-7.32, 3.32], [-7.47, 2.97], [-8.0, 2.75], [-8.25, 2.85], [-8.5, 2.75], [-9.03, 2.97], [-9.18, 3.32], [-9.53, 3.47], [-9.75, 4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.0912133371631398}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.6970814117216098}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.651560819654208, 25.746403572030545, 25.779450897204754, 26.020455425503428]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.872679472392406, 26.08598708234456, 26.02527827198162, 26.247798502961643]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.5485013194580006, 0.6294866875581903, 0.6431358904914077, 0.8557666801811337]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6166410845526116, 0.7627506019294401, 1.0607086335459712, 1.0912133371631398]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4843311603367386, 1.5937450108703097, 1.6082057037121167, 2.192277541384756]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.640377065004651, 1.9779360258745293, 2.2348288201376287, 2.4245765693840844]}}