{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:44.329330", "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-Oct-22_to_2012-Oct-25_348.0_19.0"}, "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": 2012100002550}, "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": "October 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 25 2012"}, "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": 164254.85143876192}, "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": ["Mauritania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 19.0}, "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": 348.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "348.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 345.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 351.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.53, 20.03], [-12.0, 20.25], [-11.75, 20.15], [-11.5, 20.25], [-11.2, 20.12], [-11.15, 20.25], [-11.25, 20.5], [-11.03, 21.03], [-10.68, 21.18], [-10.53, 21.53], [-10.18, 21.68], [-10.03, 22.03], [-9.5, 22.25], [-8.97, 22.03], [-8.82, 21.68], [-8.47, 21.53], [-8.25, 21.0], [-8.47, 20.47], [-8.82, 20.32], [-8.97, 19.97], [-9.32, 19.82], [-9.47, 19.47], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-10.8, 19.38], [-10.97, 18.97], [-11.32, 18.82], [-11.47, 18.47], [-12.0, 18.25], [-12.53, 18.47], [-12.75, 19.0], [-12.65, 19.25], [-12.75, 19.5], [-12.53, 20.03]]]]}, "2012-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.18, 20.68], [-14.03, 21.03], [-13.68, 21.18], [-13.65, 21.25], [-13.75, 21.5], [-13.53, 22.03], [-13.18, 22.18], [-13.03, 22.53], [-12.5, 22.75], [-12.25, 22.65], [-12.18, 22.68], [-12.03, 23.03], [-11.68, 23.18], [-11.53, 23.53], [-11.18, 23.68], [-11.15, 23.75], [-11.25, 24.0], [-11.03, 24.53], [-10.5, 24.75], [-10.25, 24.65], [-10.0, 24.75], [-9.47, 24.53], [-9.32, 24.18], [-8.97, 24.03], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.96, 22.5], [-8.75, 22.0], [-8.85, 21.75], [-8.82, 21.68], [-8.47, 21.53], [-8.25, 21.0], [-8.47, 20.47], [-8.82, 20.32], [-8.97, 19.97], [-9.32, 19.82], [-9.47, 19.47], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-10.75, 19.35], [-10.82, 19.32], [-10.97, 18.97], [-11.32, 18.82], [-11.35, 18.75], [-11.25, 18.5], [-11.47, 17.97], [-12.0, 17.75], [-12.25, 17.85], [-12.5, 17.75], [-13.03, 17.97], [-13.18, 18.32], [-13.53, 18.47], [-13.75, 19.0], [-13.65, 19.25], [-13.68, 19.32], [-13.75, 19.35], [-13.82, 19.32], [-13.97, 18.97], [-14.5, 18.75], [-15.03, 18.97], [-15.25, 19.5], [-15.03, 20.03], [-14.68, 20.18], [-14.53, 20.53], [-14.18, 20.68]]]]}, "2012-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.18, 20.68], [-14.03, 21.03], [-13.68, 21.18], [-13.65, 21.25], [-13.75, 21.5], [-13.53, 22.03], [-13.18, 22.18], [-13.03, 22.53], [-12.5, 22.75], [-12.25, 22.65], [-12.18, 22.68], [-12.03, 23.03], [-11.68, 23.18], [-11.53, 23.53], [-11.18, 23.68], [-11.15, 23.75], [-11.25, 24.0], [-11.03, 24.53], [-10.5, 24.75], [-10.25, 24.65], [-10.0, 24.75], [-9.47, 24.53], [-9.32, 24.18], [-8.97, 24.03], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.96, 22.5], [-8.75, 22.0], [-8.85, 21.75], [-8.82, 21.68], [-8.47, 21.53], [-8.25, 21.0], [-8.47, 20.47], [-8.82, 20.32], [-8.97, 19.97], [-9.32, 19.82], [-9.47, 19.47], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-10.75, 19.35], [-10.82, 19.32], [-10.97, 18.97], [-11.32, 18.82], [-11.35, 18.75], [-11.25, 18.5], [-11.47, 17.97], [-12.0, 17.75], [-12.25, 17.85], [-12.5, 17.75], [-13.03, 17.97], [-13.18, 18.32], [-13.53, 18.47], [-13.75, 19.0], [-13.65, 19.25], [-13.68, 19.32], [-13.75, 19.35], [-13.82, 19.32], [-13.97, 18.97], [-14.5, 18.75], [-15.03, 18.97], [-15.25, 19.5], [-15.03, 20.03], [-14.68, 20.18], [-14.53, 20.53], [-14.18, 20.68]]]]}, "2012-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.18, 20.68], [-14.03, 21.03], [-13.68, 21.18], [-13.65, 21.25], [-13.75, 21.5], [-13.53, 22.03], [-13.18, 22.18], [-13.03, 22.53], [-12.5, 22.75], [-12.25, 22.65], [-12.18, 22.68], [-12.03, 23.03], [-11.68, 23.18], [-11.53, 23.53], [-11.18, 23.68], [-11.15, 23.75], [-11.25, 24.0], [-11.03, 24.53], [-10.5, 24.75], [-10.25, 24.65], [-10.0, 24.75], [-9.47, 24.53], [-9.32, 24.18], [-8.97, 24.03], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.96, 22.5], [-8.75, 22.0], [-8.97, 21.47], [-9.5, 21.25], [-9.75, 21.35], [-9.82, 21.32], [-9.97, 20.97], [-10.32, 20.82], [-10.35, 20.75], [-10.25, 20.5], [-10.35, 20.25], [-10.25, 20.0], [-10.47, 19.47], [-10.82, 19.32], [-10.97, 18.97], [-11.32, 18.82], [-11.35, 18.75], [-11.25, 18.5], [-11.47, 17.97], [-12.0, 17.75], [-12.25, 17.85], [-12.5, 17.75], [-13.03, 17.97], [-13.18, 18.32], [-13.53, 18.47], [-13.75, 19.0], [-13.65, 19.25], [-13.68, 19.32], [-13.75, 19.35], [-13.82, 19.32], [-13.97, 18.97], [-14.5, 18.75], [-15.03, 18.97], [-15.25, 19.5], [-15.03, 20.03], [-14.68, 20.18], [-14.53, 20.53], [-14.18, 20.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.942762948572863}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.580648464877216}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.254308407319286, 31.343142299534293, 31.185434497989093, 31.15066545762585]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.229765555327674, 33.86928841188933, 34.471152434700855, 33.7033651949273]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.772210272331037, 3.700782888259879, 3.629386487626496, 3.5822219832320834]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9378741341203636, 4.853902728956143, 4.942762948572863, 4.595605033582672]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2397328652179047, 1.4284734397478873, 1.4196113163777, 1.4138747118264057]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.331285126591054, 1.678127497807664, 1.7233943650516597, 1.6459173190237533]}}