{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:31.106803", "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-Apr-10_to_2010-Apr-14_32.0_-2.0"}, "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": 2010040001484}, "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": "April 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 14 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": 52533.260100572596}, "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": ["Tanzania", "Uganda"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Eastern-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": -2.0}, "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": 32.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.0, 1.25], [33.25, 1.15], [33.5, 1.25], [34.03, 1.03], [34.25, 0.5], [34.15, 0.25], [34.25, 0.0], [34.03, -0.53], [33.5, -0.75], [33.25, -0.65], [33.0, -0.75], [32.5, -0.54], [32.0, -0.75], [31.47, -0.53], [31.25, 0.0], [31.47, 0.53], [32.0, 0.75], [32.3, 0.62], [32.47, 1.03], [33.0, 1.25]]]]}, "2010-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, -1.47], [32.0, -1.25], [31.47, -1.03], [31.25, -0.5], [31.35, -0.25], [31.25, 0.0], [31.47, 0.53], [32.0, 0.75], [32.3, 0.62], [32.47, 1.03], [33.0, 1.25], [33.25, 1.15], [33.5, 1.25], [34.03, 1.03], [34.25, 0.5], [34.15, 0.25], [34.25, 0.0], [34.13, -0.3], [34.53, -0.47], [34.75, -1.0], [34.53, -1.53], [34.18, -1.68], [34.15, -1.75], [34.25, -2.0], [34.03, -2.53], [33.5, -2.75], [33.25, -2.65], [33.0, -2.75], [32.75, -2.65], [32.68, -2.68], [32.53, -3.03], [32.0, -3.25], [31.47, -3.03], [31.25, -2.5], [31.35, -2.25], [31.25, -2.0], [31.47, -1.47]], [[32.25, -1.35], [32.32, -1.32], [32.38, -1.2], [32.25, -1.15], [32.0, -1.25], [32.25, -1.35]], [[33.32, -0.82], [33.38, -0.7], [33.25, -0.65], [33.18, -0.68], [33.13, -0.8], [33.25, -0.85], [33.32, -0.82]]]]}, "2010-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -1.75], [31.25, -1.5], [31.35, -1.25], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.35, -0.25], [31.25, 0.0], [31.47, 0.53], [32.0, 0.75], [32.3, 0.62], [32.47, 1.03], [33.0, 1.25], [33.25, 1.15], [33.5, 1.25], [34.03, 1.03], [34.25, 0.5], [34.15, 0.25], [34.25, 0.0], [34.13, -0.3], [34.53, -0.47], [34.75, -1.0], [34.53, -1.53], [34.18, -1.68], [34.15, -1.75], [34.25, -2.0], [34.03, -2.53], [33.5, -2.75], [33.25, -2.65], [33.0, -2.75], [32.75, -2.65], [32.68, -2.68], [32.53, -3.03], [32.0, -3.25], [31.47, -3.03], [31.25, -2.5], [31.35, -2.25], [31.25, -2.0], [31.35, -1.75]], [[33.32, -0.82], [33.38, -0.7], [33.25, -0.65], [33.18, -0.68], [33.13, -0.8], [33.25, -0.85], [33.32, -0.82]]]]}, "2010-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -1.75], [31.25, -1.5], [31.35, -1.25], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.47, 0.03], [32.0, 0.25], [32.25, 0.15], [32.5, 0.25], [33.03, 0.03], [33.25, -0.5], [33.13, -0.8], [33.25, -0.85], [33.32, -0.82], [33.47, -0.47], [34.0, -0.25], [34.53, -0.47], [34.75, -1.0], [34.53, -1.53], [34.18, -1.68], [34.15, -1.75], [34.25, -2.0], [34.03, -2.53], [33.5, -2.75], [33.25, -2.65], [33.0, -2.75], [32.75, -2.65], [32.68, -2.68], [32.53, -3.03], [32.0, -3.25], [31.47, -3.03], [31.25, -2.5], [31.35, -2.25], [31.25, -2.0], [31.35, -1.75]]]]}, "2010-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -1.75], [31.25, -1.5], [31.35, -1.25], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.47, 0.03], [32.0, 0.25], [32.53, 0.03], [32.75, -0.5], [32.65, -0.75], [32.75, -1.0], [32.65, -1.25], [32.75, -1.5], [32.65, -1.75], [32.75, -2.0], [32.65, -2.25], [32.75, -2.5], [32.53, -3.03], [32.0, -3.25], [31.47, -3.03], [31.25, -2.5], [31.35, -2.25], [31.25, -2.0], [31.35, -1.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7290450846149383}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7368611787861425}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.365258344440406, 24.80495791916809, 25.102803795613397, 25.078102233054267, 24.642233087323348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.350415217570344, 25.760897248041033, 26.194898533478238, 25.67242380905668, 25.24931399068447]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.646675785294485, 1.6128104827610892, 1.9315486345270856, 1.7327842429535754, 1.5470459568319144]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9585727029362374, 2.075672513385541, 2.7290450846149383, 2.253120500780142, 2.1475607424238774]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6768049254275723, 1.536225877234707, 1.9458853422851419, 1.7856963602978562, 1.7468386478104367]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.822451619727076, 1.7513438941322441, 2.534073491919616, 2.20543196397629, 2.051371112904975]}}