{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:19.533487", "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-Mar-11_to_2010-Mar-15_18.0_-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": 2010030001489}, "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 11 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 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": 58061.492447519}, "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": ["Namibia"]}, "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": -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": 18.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.0\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": 19.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.0, -18.25], [18.53, -18.47], [18.75, -19.0], [18.53, -19.53], [18.0, -19.75], [17.47, -19.53], [17.25, -19.0], [17.47, -18.47], [18.0, -18.25]]]]}, "2010-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, -19.5], [16.47, -18.97], [16.82, -18.82], [16.97, -18.47], [17.5, -18.25], [17.75, -18.35], [18.0, -18.25], [18.25, -18.35], [18.5, -18.25], [19.03, -18.47], [19.25, -19.0], [19.15, -19.25], [19.18, -19.32], [19.53, -19.47], [19.68, -19.82], [20.03, -19.97], [20.25, -20.5], [20.15, -20.75], [20.25, -21.0], [20.03, -21.53], [19.5, -21.75], [19.25, -21.65], [19.0, -21.75], [18.75, -21.65], [18.5, -21.75], [18.25, -21.65], [18.0, -21.75], [17.47, -21.53], [17.32, -21.18], [16.97, -21.03], [16.75, -20.5], [16.85, -20.25], [16.82, -20.18], [16.47, -20.03], [16.25, -19.5]]]]}, "2010-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, -19.5], [16.47, -18.97], [16.82, -18.82], [16.97, -18.47], [17.5, -18.25], [17.75, -18.35], [18.0, -18.25], [18.25, -18.35], [18.5, -18.25], [19.03, -18.47], [19.25, -19.0], [19.15, -19.25], [19.18, -19.32], [19.53, -19.47], [19.68, -19.82], [20.03, -19.97], [20.25, -20.5], [20.15, -20.75], [20.25, -21.0], [20.03, -21.53], [19.5, -21.75], [19.25, -21.65], [19.0, -21.75], [18.75, -21.65], [18.5, -21.75], [18.25, -21.65], [18.0, -21.75], [17.47, -21.53], [17.32, -21.18], [16.97, -21.03], [16.75, -20.5], [16.85, -20.25], [16.82, -20.18], [16.47, -20.03], [16.25, -19.5]]]]}, "2010-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, -19.5], [16.47, -18.97], [16.82, -18.82], [16.97, -18.47], [17.5, -18.25], [17.75, -18.35], [18.0, -18.25], [18.25, -18.35], [18.5, -18.25], [19.03, -18.47], [19.25, -19.0], [19.15, -19.25], [19.18, -19.32], [19.53, -19.47], [19.68, -19.82], [20.03, -19.97], [20.25, -20.5], [20.15, -20.75], [20.25, -21.0], [20.03, -21.53], [19.5, -21.75], [19.25, -21.65], [19.0, -21.75], [18.75, -21.65], [18.5, -21.75], [18.25, -21.65], [18.0, -21.75], [17.47, -21.53], [17.32, -21.18], [16.97, -21.03], [16.75, -20.5], [16.85, -20.25], [16.82, -20.18], [16.47, -20.03], [16.25, -19.5]]]]}, "2010-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, -18.25], [18.03, -18.47], [18.25, -19.0], [18.03, -19.53], [17.5, -19.75], [16.97, -19.53], [16.75, -19.0], [16.97, -18.47], [17.5, -18.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.916917886695217}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.198953806868338}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.813392324273366, 27.4831427489554, 27.598446388235516, 28.567943028161096, 28.005946243464052]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.813392324273366, 28.647139177240035, 28.681845351211848, 30.094851317038206, 28.005946243464052]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.4682950493415774, 3.769055511111162, 3.9157724414725976, 4.988135091432378, 3.4075800961726372]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4682950493415774, 4.333059461276434, 4.344208282960835, 5.916917886695217, 3.4075800961726372]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4986278679182206, 1.6812269842384233, 1.746559642352303, 2.1882942473179483, 1.4200764833011503]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4986278679182206, 1.859384282691428, 1.901055513696549, 2.566884748755063, 1.4200764833011503]}}