{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:22.943399", "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": "2015-Feb-16_to_2015-Feb-19_22.0_-2.5"}, "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": 2015020001992}, "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": "February 16 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 19 2015"}, "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": 74086.2045595975}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -2.5}, "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": 22.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.35, -2.25], [20.25, -2.0], [20.47, -1.47], [21.0, -1.25], [21.25, -1.35], [21.5, -1.25], [21.75, -1.35], [22.0, -1.25], [22.25, -1.35], [22.5, -1.25], [23.03, -1.47], [23.18, -1.82], [23.3, -1.87], [23.47, -1.47], [24.0, -1.25], [24.53, -1.47], [24.75, -2.0], [24.65, -2.25], [24.75, -2.5], [24.54, -3.0], [24.68, -3.32], [25.03, -3.47], [25.25, -4.0], [25.03, -4.53], [24.5, -4.75], [24.0, -4.54], [23.5, -4.75], [23.25, -4.65], [23.0, -4.75], [22.47, -4.53], [22.32, -4.18], [22.0, -4.04], [21.5, -4.25], [20.97, -4.03], [20.82, -3.68], [20.47, -3.53], [20.25, -3.0], [20.35, -2.75], [20.25, -2.5], [20.35, -2.25]]]]}, "2015-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.35, -2.25], [20.25, -2.0], [20.47, -1.47], [21.0, -1.25], [21.25, -1.35], [21.5, -1.25], [21.75, -1.35], [22.0, -1.25], [22.25, -1.35], [22.5, -1.25], [23.03, -1.47], [23.18, -1.82], [23.3, -1.87], [23.47, -1.47], [24.0, -1.25], [24.53, -1.47], [24.75, -2.0], [24.65, -2.25], [24.75, -2.5], [24.54, -3.0], [24.68, -3.32], [25.03, -3.47], [25.25, -4.0], [25.03, -4.53], [24.5, -4.75], [24.0, -4.54], [23.5, -4.75], [23.25, -4.65], [23.0, -4.75], [22.47, -4.53], [22.32, -4.18], [22.25, -4.15], [22.0, -4.25], [21.75, -4.15], [21.5, -4.25], [20.97, -4.03], [20.82, -3.68], [20.47, -3.53], [20.25, -3.0], [20.35, -2.75], [20.25, -2.5], [20.35, -2.25]]]]}, "2015-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.35, -2.25], [20.25, -2.0], [20.47, -1.47], [21.0, -1.25], [21.25, -1.35], [21.5, -1.25], [21.75, -1.35], [22.0, -1.25], [22.25, -1.35], [22.5, -1.25], [23.03, -1.47], [23.18, -1.82], [23.3, -1.87], [23.47, -1.47], [24.0, -1.25], [24.53, -1.47], [24.75, -2.0], [24.65, -2.25], [24.75, -2.5], [24.54, -3.0], [24.68, -3.32], [25.03, -3.47], [25.25, -4.0], [25.03, -4.53], [24.5, -4.75], [24.0, -4.54], [23.5, -4.75], [23.25, -4.65], [23.0, -4.75], [22.47, -4.53], [22.32, -4.18], [22.25, -4.15], [22.0, -4.25], [21.75, -4.15], [21.5, -4.25], [20.97, -4.03], [20.82, -3.68], [20.47, -3.53], [20.25, -3.0], [20.35, -2.75], [20.25, -2.5], [20.35, -2.25]]]]}, "2015-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -4.53], [23.75, -4.0], [23.97, -3.47], [24.5, -3.25], [25.03, -3.47], [25.25, -4.0], [25.03, -4.53], [24.5, -4.75], [23.97, -4.53]]], [[[20.75, -2.5], [20.97, -1.97], [21.5, -1.75], [21.75, -1.85], [22.0, -1.75], [22.5, -1.96], [23.0, -1.75], [23.53, -1.97], [23.75, -2.5], [23.53, -3.03], [23.18, -3.18], [23.15, -3.25], [23.25, -3.5], [23.03, -4.03], [22.5, -4.25], [22.25, -4.15], [22.0, -4.25], [21.75, -4.15], [21.5, -4.25], [20.97, -4.03], [20.75, -3.5], [20.85, -3.25], [20.75, -3.0], [20.85, -2.75], [20.75, -2.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.747013695411397}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8673596513994581}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.945255968343474, 27.329329297980905, 27.22184434163961, 27.116613494530156]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.475043243403093, 28.080680477563476, 27.970865200234584, 27.781977295283866]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.697313549556584, 2.0440862788649454, 1.8733134420125122, 1.7860234618809954]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.179513041710777, 2.747013695411397, 2.2658509109873535, 2.1937102745027914]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.602200264748604, 1.9091598003101895, 1.6890185186564615, 1.5625724435030164]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9436127421635132, 2.4597506374974674, 2.061757402401094, 1.8234727215621618]}}