{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:03.196293", "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-Dec-01_to_2012-Dec-07_44.0_-23.5"}, "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": 2012120001289}, "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": "December 01 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 07 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 82286.46181205603}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Madagascar"]}, "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": -23.5}, "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": 44.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 46.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.0, -22.75], [44.53, -22.97], [44.75, -23.5], [44.53, -24.03], [44.0, -24.25], [43.47, -24.03], [43.25, -23.5], [43.47, -22.97], [44.0, -22.75]]]]}, "2012-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, -21.47], [43.5, -21.25], [44.03, -21.47], [44.25, -22.0], [44.15, -22.25], [44.18, -22.32], [44.53, -22.47], [44.75, -23.0], [44.65, -23.25], [44.75, -23.5], [44.65, -23.75], [44.75, -24.0], [44.53, -24.53], [44.0, -24.75], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5], [42.85, -22.25], [42.75, -22.0], [42.97, -21.47]]]]}, "2012-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.85, -22.25], [42.75, -22.0], [42.97, -21.47], [43.5, -21.25], [44.03, -21.47], [44.25, -22.0], [44.15, -22.25], [44.18, -22.32], [44.53, -22.47], [44.75, -23.0], [44.65, -23.25], [44.68, -23.32], [45.03, -23.47], [45.25, -24.0], [45.15, -24.25], [45.25, -24.5], [45.03, -25.03], [44.5, -25.25], [43.97, -25.03], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.32, -23.68], [42.97, -23.53], [42.75, -23.0], [42.85, -22.75], [42.75, -22.5], [42.85, -22.25]]]]}, "2012-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.85, -22.25], [42.75, -22.0], [42.85, -21.75], [42.75, -21.5], [42.97, -20.97], [43.5, -20.75], [43.75, -20.85], [44.0, -20.75], [44.53, -20.97], [44.75, -21.5], [44.65, -21.75], [44.68, -21.82], [45.03, -21.97], [45.25, -22.5], [45.13, -22.8], [45.53, -22.97], [45.75, -23.5], [45.65, -23.75], [45.68, -23.82], [46.03, -23.97], [46.25, -24.5], [46.03, -25.03], [45.5, -25.25], [45.25, -25.15], [45.0, -25.25], [44.75, -25.15], [44.5, -25.25], [43.97, -25.03], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.32, -23.68], [42.97, -23.53], [42.75, -23.0], [42.85, -22.75], [42.75, -22.5], [42.85, -22.25]]]]}, "2012-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.85, -22.25], [42.75, -22.0], [42.85, -21.75], [42.75, -21.5], [42.97, -20.97], [43.32, -20.82], [43.47, -20.47], [44.0, -20.25], [44.53, -20.47], [44.75, -21.0], [44.65, -21.25], [44.7, -21.37], [45.0, -21.25], [45.53, -21.47], [45.75, -22.0], [45.65, -22.25], [45.75, -22.5], [45.54, -23.0], [45.68, -23.32], [46.0, -23.46], [46.5, -23.25], [47.03, -23.47], [47.25, -24.0], [47.15, -24.25], [47.25, -24.5], [47.15, -24.75], [47.25, -25.0], [47.03, -25.53], [46.5, -25.75], [46.25, -25.65], [46.0, -25.75], [45.75, -25.65], [45.5, -25.75], [44.97, -25.53], [44.82, -25.18], [44.75, -25.15], [44.5, -25.25], [43.97, -25.03], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.32, -23.68], [42.97, -23.53], [42.75, -23.0], [42.85, -22.75], [42.75, -22.5], [42.85, -22.25]]]]}, "2012-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.85, -22.25], [42.75, -22.0], [42.85, -21.75], [42.75, -21.5], [42.97, -20.97], [43.32, -20.82], [43.47, -20.47], [44.0, -20.25], [44.53, -20.47], [44.75, -21.0], [44.65, -21.25], [44.7, -21.37], [45.0, -21.25], [45.53, -21.47], [45.75, -22.0], [45.65, -22.25], [45.75, -22.5], [45.54, -23.0], [45.68, -23.32], [46.0, -23.46], [46.5, -23.25], [47.03, -23.47], [47.25, -24.0], [47.15, -24.25], [47.25, -24.5], [47.15, -24.75], [47.25, -25.0], [47.03, -25.53], [46.5, -25.75], [46.25, -25.65], [46.0, -25.75], [45.75, -25.65], [45.5, -25.75], [44.97, -25.53], [44.82, -25.18], [44.75, -25.15], [44.5, -25.25], [43.97, -25.03], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.32, -23.68], [42.97, -23.53], [42.75, -23.0], [42.85, -22.75], [42.75, -22.5], [42.85, -22.25]]]]}, "2012-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.85, -21.75], [42.75, -21.5], [42.97, -20.97], [43.32, -20.82], [43.47, -20.47], [44.0, -20.25], [44.53, -20.47], [44.75, -21.0], [44.57, -21.43], [45.0, -21.25], [45.53, -21.47], [45.75, -22.0], [45.65, -22.25], [45.75, -22.5], [45.54, -23.0], [45.68, -23.32], [46.0, -23.46], [46.5, -23.25], [47.03, -23.47], [47.25, -24.0], [47.15, -24.25], [47.25, -24.5], [47.15, -24.75], [47.25, -25.0], [47.03, -25.53], [46.5, -25.75], [46.25, -25.65], [46.0, -25.75], [45.75, -25.65], [45.5, -25.75], [44.97, -25.53], [44.82, -25.18], [44.75, -25.15], [44.5, -25.25], [43.97, -25.03], [43.82, -24.68], [43.47, -24.53], [43.25, -24.0], [43.35, -23.75], [43.25, -23.5], [43.35, -23.25], [43.32, -23.18], [42.97, -23.03], [42.75, -22.5], [42.85, -22.25], [42.75, -22.0], [42.85, -21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.892851199625625}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.077816980535074}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.227788467930793, 29.444252325806644, 29.28793244362828, 29.297955672944454, 29.4998747698574, 30.217979855539284, 29.480520549779953]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.227788467930793, 30.551077634500814, 30.0500772233857, 30.347310456695084, 31.20981074615952, 32.33573442523851, 30.98417893803031]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9007393529514616, 2.5259789441481075, 2.564403448500734, 2.5281657917462734, 3.03864289614532, 3.728231798849671, 3.0486064686895595]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9007393529514616, 3.19436156868494, 3.29417270950222, 3.651456428956351, 4.455776751807036, 4.892851199625625, 4.594731076818903]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.630915464615954, 1.5815147197901562, 1.5381740428126949, 1.4544462421380997, 1.7141401771131937, 2.2172194238827565, 1.7906940403297256]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.630915464615954, 1.8701445782329265, 2.0570666508552247, 1.8573559474369128, 2.0819811767914596, 2.9355074575452416, 2.196782611057633]}}