{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:55.436622", "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": "2013-Mar-18_to_2013-Mar-20_17.0_-13.5"}, "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": 2013030002080}, "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": "March 18 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 20 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 77943.6723253429}, "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": ["Angola"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-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": -13.5}, "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": 17.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.47, -12.97], [16.82, -12.82], [16.97, -12.47], [17.5, -12.25], [18.03, -12.47], [18.18, -12.82], [18.25, -12.85], [18.5, -12.75], [18.75, -12.85], [19.0, -12.75], [19.25, -12.85], [19.5, -12.75], [19.75, -12.85], [20.0, -12.75], [20.5, -12.96], [21.0, -12.75], [21.53, -12.97], [21.68, -13.32], [22.03, -13.47], [22.25, -14.0], [22.15, -14.25], [22.25, -14.5], [22.03, -15.03], [21.68, -15.18], [21.53, -15.53], [21.18, -15.68], [21.03, -16.03], [20.5, -16.25], [20.25, -16.15], [20.0, -16.25], [19.47, -16.03], [19.25, -15.5], [19.38, -15.2], [18.97, -15.03], [18.82, -14.68], [18.75, -14.65], [18.68, -14.68], [18.53, -15.03], [18.0, -15.25], [17.47, -15.03], [17.32, -14.68], [17.25, -14.65], [17.0, -14.75], [16.47, -14.53], [16.25, -14.0], [16.35, -13.75], [16.25, -13.5], [16.47, -12.97]]]]}, "2013-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.47, -12.97], [16.82, -12.82], [16.97, -12.47], [17.5, -12.25], [18.03, -12.47], [18.18, -12.82], [18.25, -12.85], [18.5, -12.75], [18.75, -12.85], [19.0, -12.75], [19.25, -12.85], [19.5, -12.75], [19.75, -12.85], [20.0, -12.75], [20.5, -12.96], [21.0, -12.75], [21.53, -12.97], [21.68, -13.32], [22.03, -13.47], [22.25, -14.0], [22.15, -14.25], [22.25, -14.5], [22.03, -15.03], [21.68, -15.18], [21.53, -15.53], [21.18, -15.68], [21.03, -16.03], [20.5, -16.25], [20.25, -16.15], [20.0, -16.25], [19.47, -16.03], [19.25, -15.5], [19.38, -15.2], [18.97, -15.03], [18.82, -14.68], [18.75, -14.65], [18.68, -14.68], [18.53, -15.03], [18.0, -15.25], [17.47, -15.03], [17.32, -14.68], [17.25, -14.65], [17.0, -14.75], [16.47, -14.53], [16.25, -14.0], [16.35, -13.75], [16.25, -13.5], [16.47, -12.97]]]]}, "2013-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.47, -12.97], [16.82, -12.82], [16.97, -12.47], [17.5, -12.25], [18.03, -12.47], [18.18, -12.82], [18.25, -12.85], [18.5, -12.75], [18.75, -12.85], [19.0, -12.75], [19.25, -12.85], [19.5, -12.75], [19.75, -12.85], [20.0, -12.75], [20.5, -12.96], [21.0, -12.75], [21.53, -12.97], [21.68, -13.32], [22.03, -13.47], [22.25, -14.0], [22.15, -14.25], [22.25, -14.5], [22.03, -15.03], [21.68, -15.18], [21.53, -15.53], [21.18, -15.68], [21.03, -16.03], [20.5, -16.25], [20.25, -16.15], [20.0, -16.25], [19.47, -16.03], [19.25, -15.5], [19.38, -15.2], [18.97, -15.03], [18.82, -14.68], [18.75, -14.65], [18.68, -14.68], [18.53, -15.03], [18.0, -15.25], [17.47, -15.03], [17.32, -14.68], [17.25, -14.65], [17.0, -14.75], [16.47, -14.53], [16.25, -14.0], [16.35, -13.75], [16.25, -13.5], [16.47, -12.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.303870877396321}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6910516611289295}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.452493433196366, 22.547527378509812, 22.64855573181518]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.915232284197657, 24.55338438581225, 24.23407812140408]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5851746260951136, 1.6960455502786458, 1.7919348070130288]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0265180900254336, 2.303870877396321, 2.1788643943239663]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4843112579238849, 1.5582021627253961, 1.625145690061946]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9569165127576627, 1.948686629398964, 1.8549523097991967]}}