{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:44.366080", "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-Feb-27_to_2013-Mar-05_37.5_-9.5"}, "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": 2013020002323}, "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 27 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 05 2013"}, "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": 94645.05075686262}, "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": ["Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Eastern-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": ["Indian Ocean"]}, "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": -9.5}, "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": 37.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, -10.03], [36.75, -9.5], [36.97, -8.97], [37.5, -8.75], [37.75, -8.85], [37.88, -8.8], [37.75, -8.5], [37.97, -7.97], [38.5, -7.75], [39.03, -7.97], [39.25, -8.5], [39.03, -9.03], [38.63, -9.2], [38.75, -9.5], [38.53, -10.03], [38.0, -10.25], [37.75, -10.15], [37.5, -10.25], [36.97, -10.03]]]]}, "2013-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.35, -9.25], [36.25, -9.0], [36.47, -8.47], [36.82, -8.32], [36.85, -8.25], [36.75, -8.0], [36.85, -7.75], [36.75, -7.5], [36.97, -6.97], [37.5, -6.75], [37.75, -6.85], [38.0, -6.75], [38.25, -6.85], [38.5, -6.75], [38.75, -6.85], [39.0, -6.75], [39.53, -6.97], [39.75, -7.5], [39.65, -7.75], [39.75, -8.0], [39.63, -8.3], [40.03, -8.47], [40.25, -9.0], [40.03, -9.53], [39.5, -9.75], [38.97, -9.53], [38.8, -9.12], [38.63, -9.2], [38.75, -9.5], [38.53, -10.03], [38.0, -10.25], [37.75, -10.15], [37.68, -10.18], [37.53, -10.53], [37.0, -10.75], [36.47, -10.53], [36.25, -10.0], [36.35, -9.75], [36.25, -9.5], [36.35, -9.25]]]]}, "2013-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, -9.0], [35.47, -8.47], [36.0, -8.25], [36.3, -8.37], [36.47, -7.97], [36.82, -7.82], [36.85, -7.75], [36.75, -7.5], [36.97, -6.97], [37.5, -6.75], [37.75, -6.85], [38.0, -6.75], [38.25, -6.85], [38.5, -6.75], [38.75, -6.85], [39.0, -6.75], [39.53, -6.97], [39.75, -7.5], [39.65, -7.75], [39.75, -8.0], [39.63, -8.3], [40.03, -8.47], [40.25, -9.0], [40.03, -9.53], [39.5, -9.75], [38.97, -9.53], [38.8, -9.12], [38.63, -9.2], [38.75, -9.5], [38.53, -10.03], [38.0, -10.25], [37.75, -10.15], [37.68, -10.18], [37.53, -10.53], [37.0, -10.75], [36.47, -10.53], [36.32, -10.18], [35.97, -10.03], [35.82, -9.68], [35.47, -9.53], [35.25, -9.0]]]]}, "2013-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, -9.0], [35.47, -8.47], [36.0, -8.25], [36.3, -8.37], [36.47, -7.97], [36.82, -7.82], [36.85, -7.75], [36.75, -7.5], [36.97, -6.97], [37.5, -6.75], [37.75, -6.85], [38.0, -6.75], [38.25, -6.85], [38.5, -6.75], [38.75, -6.85], [39.0, -6.75], [39.53, -6.97], [39.75, -7.5], [39.65, -7.75], [39.75, -8.0], [39.63, -8.3], [40.03, -8.47], [40.25, -9.0], [40.15, -9.25], [40.25, -9.5], [40.03, -10.03], [39.68, -10.18], [39.65, -10.25], [39.75, -10.5], [39.53, -11.03], [39.0, -11.25], [38.47, -11.03], [38.32, -10.68], [37.97, -10.53], [37.82, -10.18], [37.75, -10.15], [37.68, -10.18], [37.53, -10.53], [37.0, -10.75], [36.47, -10.53], [36.32, -10.18], [35.97, -10.03], [35.82, -9.68], [35.47, -9.53], [35.25, -9.0]]]]}, "2013-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, -9.0], [35.47, -8.47], [36.0, -8.25], [36.3, -8.37], [36.47, -7.97], [36.82, -7.82], [36.85, -7.75], [36.75, -7.5], [36.97, -6.97], [37.5, -6.75], [38.03, -6.97], [38.18, -7.32], [38.25, -7.35], [38.5, -7.25], [39.03, -7.47], [39.25, -8.0], [39.13, -8.3], [39.53, -8.47], [39.68, -8.82], [40.03, -8.97], [40.25, -9.5], [40.15, -9.75], [40.25, -10.0], [40.15, -10.25], [40.25, -10.5], [40.03, -11.03], [39.5, -11.25], [39.25, -11.15], [39.0, -11.25], [38.47, -11.03], [38.32, -10.68], [37.97, -10.53], [37.82, -10.18], [37.75, -10.15], [37.68, -10.18], [37.53, -10.53], [37.0, -10.75], [36.47, -10.53], [36.32, -10.18], [35.97, -10.03], [35.82, -9.68], [35.47, -9.53], [35.25, -9.0]]]]}, "2013-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, -8.97], [36.82, -8.82], [36.97, -8.47], [37.5, -8.25], [38.0, -8.46], [38.5, -8.25], [38.75, -8.35], [39.0, -8.25], [39.53, -8.47], [39.68, -8.82], [40.03, -8.97], [40.25, -9.5], [40.15, -9.75], [40.25, -10.0], [40.15, -10.25], [40.25, -10.5], [40.03, -11.03], [39.5, -11.25], [39.25, -11.15], [39.0, -11.25], [38.47, -11.03], [38.32, -10.68], [37.97, -10.53], [37.82, -10.18], [37.75, -10.15], [37.68, -10.18], [37.53, -10.53], [37.0, -10.75], [36.47, -10.53], [36.25, -10.0], [36.35, -9.75], [36.25, -9.5], [36.47, -8.97]]]]}, "2013-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.5, -8.75], [37.75, -8.85], [38.0, -8.75], [38.25, -8.85], [38.5, -8.75], [38.75, -8.85], [39.0, -8.75], [39.53, -8.97], [39.68, -9.32], [40.03, -9.47], [40.25, -10.0], [40.15, -10.25], [40.25, -10.5], [40.03, -11.03], [39.5, -11.25], [39.25, -11.15], [39.0, -11.25], [38.47, -11.03], [38.32, -10.68], [37.97, -10.53], [37.82, -10.18], [37.75, -10.15], [37.68, -10.18], [37.53, -10.53], [37.0, -10.75], [36.47, -10.53], [36.25, -10.0], [36.47, -9.47], [36.82, -9.32], [36.97, -8.97], [37.5, -8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6583658066111866}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8635059032663739}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.792629685802297, 28.75566411963581, 28.57640725705977, 28.27602298816447, 27.617210869705048, 27.35865477715555, 26.72597920131284]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.17336517229677, 31.535033474131694, 31.417970274452728, 31.015173210795353, 29.75659545483319, 28.724931571462946, 28.11003104353648]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7238207456578987, 1.9269593615747833, 1.9266321021238144, 1.9382684215887946, 1.7306627154081131, 1.9370245159851947, 1.6503646366397278]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7742867152255144, 2.6583658066111866, 2.578803277133318, 2.5955093264940956, 2.4747159109701897, 2.583234730031279, 2.2478312953643353]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4199335652940273, 1.6037539777058072, 1.6066332377913537, 1.680302804013452, 1.544868965778215, 1.894718305016787, 1.6054889282554967]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4863947344987392, 1.8856144242218957, 1.9653876750952637, 2.1549091769603455, 2.2819088269726313, 2.466442875684313, 2.064746084454064]}}