{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:47.001524", "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-Oct-13_to_2013-Oct-21_337.5_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": 2013100002141}, "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 13 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 214248.76525664708}, "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": ["Cabo Verde"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Atlantic-Ocean", "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": ["North Atlantic 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": 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": 337.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "337.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 332.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 340.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-26.5, 17.25], [-25.97, 17.03], [-25.82, 16.68], [-25.75, 16.65], [-25.68, 16.68], [-25.65, 16.75], [-25.75, 17.0], [-25.65, 17.25], [-25.75, 17.5], [-25.53, 18.03], [-25.0, 18.25], [-24.75, 18.15], [-24.5, 18.25], [-23.97, 18.03], [-23.82, 17.68], [-23.47, 17.53], [-23.25, 17.0], [-23.35, 16.75], [-23.25, 16.5], [-23.35, 16.25], [-23.32, 16.18], [-22.97, 16.03], [-22.75, 15.5], [-22.85, 15.25], [-22.75, 15.0], [-22.97, 14.47], [-23.5, 14.25], [-24.03, 14.47], [-24.25, 15.0], [-24.15, 15.25], [-24.18, 15.32], [-24.25, 15.35], [-24.5, 15.25], [-24.75, 15.35], [-25.0, 15.25], [-25.25, 15.35], [-25.32, 15.32], [-25.47, 14.97], [-26.0, 14.75], [-26.53, 14.97], [-26.7, 15.38], [-27.0, 15.25], [-27.53, 15.47], [-27.75, 16.0], [-27.53, 16.53], [-27.18, 16.68], [-27.03, 17.03], [-26.5, 17.25]]]]}, "2013-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-26.5, 17.25], [-26.2, 17.12], [-26.15, 17.25], [-26.25, 17.5], [-26.15, 17.75], [-26.25, 18.0], [-26.03, 18.53], [-25.5, 18.75], [-25.25, 18.65], [-25.18, 18.68], [-25.03, 19.03], [-24.68, 19.18], [-24.53, 19.53], [-24.18, 19.68], [-24.03, 20.03], [-23.68, 20.18], [-23.65, 20.25], [-23.75, 20.5], [-23.53, 21.03], [-23.0, 21.25], [-22.75, 21.15], [-22.5, 21.25], [-21.97, 21.03], [-21.82, 20.68], [-21.47, 20.53], [-21.25, 20.0], [-21.35, 19.75], [-21.25, 19.5], [-21.35, 19.25], [-21.25, 19.0], [-21.47, 18.47], [-21.82, 18.32], [-21.97, 17.97], [-22.5, 17.75], [-22.75, 17.85], [-22.82, 17.82], [-22.85, 17.75], [-22.75, 17.5], [-22.97, 16.97], [-23.32, 16.82], [-23.35, 16.75], [-23.25, 16.5], [-23.35, 16.25], [-23.32, 16.18], [-22.97, 16.03], [-22.75, 15.5], [-22.85, 15.25], [-22.75, 15.0], [-22.97, 14.47], [-23.5, 14.25], [-24.03, 14.47], [-24.25, 15.0], [-24.15, 15.25], [-24.18, 15.32], [-24.25, 15.35], [-24.5, 15.25], [-24.75, 15.35], [-25.0, 15.25], [-25.25, 15.35], [-25.32, 15.32], [-25.47, 14.97], [-26.0, 14.75], [-26.53, 14.97], [-26.7, 15.38], [-27.0, 15.25], [-27.53, 15.47], [-27.75, 16.0], [-27.53, 16.53], [-27.18, 16.68], [-27.03, 17.03], [-26.5, 17.25]]]]}, "2013-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-26.5, 17.25], [-26.2, 17.12], [-26.15, 17.25], [-26.25, 17.5], [-26.15, 17.75], [-26.25, 18.0], [-26.03, 18.53], [-25.5, 18.75], [-25.25, 18.65], [-25.18, 18.68], [-25.15, 18.75], [-25.25, 19.0], [-25.03, 19.53], [-24.68, 19.68], [-24.53, 20.03], [-24.18, 20.18], [-24.03, 20.53], [-23.68, 20.68], [-23.53, 21.03], [-23.0, 21.25], [-22.75, 21.15], [-22.5, 21.25], [-21.97, 21.03], [-21.82, 20.68], [-21.47, 20.53], [-21.25, 20.0], [-21.35, 19.75], [-21.25, 19.5], [-21.35, 19.25], [-21.25, 19.0], [-21.35, 18.75], [-21.25, 18.5], [-21.35, 18.25], [-21.25, 18.0], [-21.35, 17.75], [-21.25, 17.5], [-21.47, 16.97], [-22.0, 16.75], [-22.25, 16.85], [-22.32, 16.82], [-22.47, 16.47], [-23.0, 16.25], [-23.25, 16.35], [-23.32, 16.32], [-23.35, 16.25], [-23.32, 16.18], [-22.97, 16.03], [-22.75, 15.5], [-22.85, 15.25], [-22.75, 15.0], [-22.97, 14.47], [-23.5, 14.25], [-24.03, 14.47], [-24.25, 15.0], [-24.15, 15.25], [-24.18, 15.32], [-24.25, 15.35], [-24.5, 15.25], [-24.75, 15.35], [-25.0, 15.25], [-25.25, 15.35], [-25.32, 15.32], [-25.47, 14.97], [-26.0, 14.75], [-26.53, 14.97], [-26.7, 15.38], [-27.0, 15.25], [-27.53, 15.47], [-27.75, 16.0], [-27.53, 16.53], [-27.18, 16.68], [-27.03, 17.03], [-26.5, 17.25]]]]}, "2013-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-26.15, 17.25], [-26.25, 17.5], [-26.15, 17.75], [-26.25, 18.0], [-26.03, 18.53], [-25.5, 18.75], [-25.25, 18.65], [-25.18, 18.68], [-25.15, 18.75], [-25.25, 19.0], [-25.03, 19.53], [-24.68, 19.68], [-24.53, 20.03], [-24.18, 20.18], [-24.03, 20.53], [-23.68, 20.68], [-23.53, 21.03], [-23.0, 21.25], [-22.75, 21.15], [-22.5, 21.25], [-21.97, 21.03], [-21.82, 20.68], [-21.47, 20.53], [-21.25, 20.0], [-21.35, 19.75], [-21.25, 19.5], [-21.35, 19.25], [-21.25, 19.0], [-21.35, 18.75], [-21.25, 18.5], [-21.35, 18.25], [-21.25, 18.0], [-21.35, 17.75], [-21.25, 17.5], [-21.47, 16.97], [-22.0, 16.75], [-22.25, 16.85], [-22.32, 16.82], [-22.47, 16.47], [-23.0, 16.25], [-23.25, 16.35], [-23.32, 16.32], [-23.47, 15.97], [-24.0, 15.75], [-24.25, 15.85], [-24.5, 15.75], [-24.75, 15.85], [-25.0, 15.75], [-25.25, 15.85], [-25.5, 15.75], [-26.03, 15.97], [-26.25, 16.5], [-26.15, 16.75], [-26.25, 17.0], [-26.15, 17.25]]]]}, "2013-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-25.53, 18.53], [-25.18, 18.68], [-25.15, 18.75], [-25.25, 19.0], [-25.03, 19.53], [-24.68, 19.68], [-24.53, 20.03], [-24.18, 20.18], [-24.03, 20.53], [-23.5, 20.75], [-23.25, 20.65], [-23.18, 20.68], [-23.03, 21.03], [-22.5, 21.25], [-22.25, 21.15], [-22.0, 21.25], [-21.75, 21.15], [-21.5, 21.25], [-20.97, 21.03], [-20.82, 20.68], [-20.75, 20.65], [-20.5, 20.75], [-20.25, 20.65], [-20.18, 20.68], [-20.03, 21.03], [-19.5, 21.25], [-18.97, 21.03], [-18.75, 20.5], [-18.97, 19.97], [-19.32, 19.82], [-19.47, 19.47], [-19.82, 19.32], [-19.97, 18.97], [-20.32, 18.82], [-20.47, 18.47], [-20.82, 18.32], [-20.97, 17.97], [-21.32, 17.82], [-21.35, 17.75], [-21.25, 17.5], [-21.47, 16.97], [-22.0, 16.75], [-22.25, 16.85], [-22.32, 16.82], [-22.47, 16.47], [-23.0, 16.25], [-23.25, 16.35], [-23.5, 16.25], [-23.75, 16.35], [-24.0, 16.25], [-24.25, 16.35], [-24.5, 16.25], [-25.03, 16.47], [-25.18, 16.82], [-25.53, 16.97], [-25.75, 17.5], [-25.65, 17.75], [-25.75, 18.0], [-25.53, 18.53]]]]}, "2013-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-24.53, 19.03], [-24.18, 19.18], [-24.15, 19.25], [-24.25, 19.5], [-24.03, 20.03], [-23.5, 20.25], [-23.25, 20.15], [-23.18, 20.18], [-23.03, 20.53], [-22.68, 20.68], [-22.53, 21.03], [-22.0, 21.25], [-21.75, 21.15], [-21.5, 21.25], [-21.25, 21.15], [-21.0, 21.25], [-20.47, 21.03], [-20.32, 20.68], [-20.25, 20.65], [-20.18, 20.68], [-20.03, 21.03], [-19.5, 21.25], [-18.97, 21.03], [-18.75, 20.5], [-18.97, 19.97], [-19.32, 19.82], [-19.47, 19.47], [-19.82, 19.32], [-19.97, 18.97], [-20.32, 18.82], [-20.47, 18.47], [-20.82, 18.32], [-20.97, 17.97], [-21.32, 17.82], [-21.47, 17.47], [-22.0, 17.25], [-22.25, 17.35], [-22.5, 17.25], [-22.75, 17.35], [-23.0, 17.25], [-23.25, 17.35], [-23.5, 17.25], [-23.75, 17.35], [-24.0, 17.25], [-24.53, 17.47], [-24.75, 18.0], [-24.65, 18.25], [-24.75, 18.5], [-24.53, 19.03]]]]}, "2013-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-24.15, 19.25], [-24.25, 19.5], [-24.03, 20.03], [-23.5, 20.25], [-23.25, 20.15], [-23.18, 20.18], [-23.03, 20.53], [-22.68, 20.68], [-22.53, 21.03], [-22.0, 21.25], [-21.75, 21.15], [-21.5, 21.25], [-21.25, 21.15], [-21.0, 21.25], [-20.47, 21.03], [-20.32, 20.68], [-20.25, 20.65], [-20.18, 20.68], [-20.03, 21.03], [-19.5, 21.25], [-18.97, 21.03], [-18.75, 20.5], [-18.97, 19.97], [-19.32, 19.82], [-19.47, 19.47], [-19.82, 19.32], [-19.97, 18.97], [-20.32, 18.82], [-20.47, 18.47], [-20.82, 18.32], [-20.97, 17.97], [-21.5, 17.75], [-21.75, 17.85], [-22.0, 17.75], [-22.25, 17.85], [-22.5, 17.75], [-23.0, 17.96], [-23.5, 17.75], [-24.03, 17.97], [-24.25, 18.5], [-24.15, 18.75], [-24.25, 19.0], [-24.15, 19.25]]]]}, "2013-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-24.03, 19.53], [-23.68, 19.68], [-23.53, 20.03], [-23.18, 20.18], [-23.03, 20.53], [-22.68, 20.68], [-22.53, 21.03], [-22.0, 21.25], [-21.75, 21.15], [-21.5, 21.25], [-21.25, 21.15], [-21.0, 21.25], [-20.47, 21.03], [-20.32, 20.68], [-20.25, 20.65], [-20.0, 20.75], [-19.47, 20.53], [-19.25, 20.0], [-19.47, 19.47], [-19.82, 19.32], [-19.97, 18.97], [-20.32, 18.82], [-20.47, 18.47], [-20.82, 18.32], [-20.97, 17.97], [-21.5, 17.75], [-21.75, 17.85], [-22.0, 17.75], [-22.25, 17.85], [-22.5, 17.75], [-23.0, 17.96], [-23.5, 17.75], [-24.03, 17.97], [-24.25, 18.5], [-24.15, 18.75], [-24.25, 19.0], [-24.03, 19.53]]]]}, "2013-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-24.03, 19.53], [-23.5, 19.75], [-23.25, 19.65], [-23.18, 19.68], [-23.03, 20.03], [-22.5, 20.25], [-22.25, 20.15], [-22.18, 20.18], [-22.03, 20.53], [-21.5, 20.75], [-21.25, 20.65], [-21.0, 20.75], [-20.47, 20.53], [-20.25, 20.0], [-20.47, 19.47], [-20.82, 19.32], [-20.85, 19.25], [-20.75, 19.0], [-20.97, 18.47], [-21.32, 18.32], [-21.47, 17.97], [-22.0, 17.75], [-22.25, 17.85], [-22.5, 17.75], [-23.0, 17.96], [-23.5, 17.75], [-24.03, 17.97], [-24.25, 18.5], [-24.15, 18.75], [-24.25, 19.0], [-24.03, 19.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7411782935739097}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2046025638794402}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.718268219429945, 26.4129297315813, 26.62188407582829, 26.408506002630645, 26.286315377201674, 26.037392889542616, 25.829846511174708, 25.794858974271108, 25.80634136309351]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.140911009092406, 27.18364616617845, 27.16890253698375, 26.975953302740493, 26.919542895386996, 26.52495494495969, 26.330937331789244, 26.316478603641826, 26.171179069549453]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8976877891894617, 1.0513975204417039, 1.2653778870923942, 1.2075285984084825, 1.2949522824489774, 1.2750675568650653, 1.2575190477556404, 1.2500130078084566, 1.1467281189506962]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0031529128430066, 1.3167516095773522, 1.7411782935739097, 1.4881856212673483, 1.6461359205389954, 1.6019508634616386, 1.4162778082881573, 1.4110769001465542, 1.2443891676667818]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4417105894754245, 1.551405283457943, 1.838826995881244, 1.699430989027345, 1.6758582466864322, 1.545781552890899, 1.536830162491503, 1.5606880245066181, 1.4840075872101306]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5869736176028377, 1.738298912132, 2.3015444639769815, 2.004710043011248, 2.013881925170116, 1.7761193462020926, 1.6637165629216955, 1.6996325472611349, 1.5805265973979599]}}