{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:34.055709", "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": "2018-Mar-23_to_2018-Mar-30_39.5_-17.0"}, "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": 2018030002526}, "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 23 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 30 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 123781.56006276401}, "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": ["Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "Madagascar"]}, "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": ["Mozambique Channel"]}, "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": -17.0}, "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": 39.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -18.03], [37.25, -17.5], [37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.32, -16.82], [38.47, -16.47], [39.0, -16.25], [39.25, -16.35], [39.5, -16.25], [40.03, -16.47], [40.25, -17.0], [40.03, -17.53], [39.5, -17.75], [39.25, -17.65], [39.18, -17.68], [39.03, -18.03], [38.5, -18.25], [38.25, -18.15], [38.0, -18.25], [37.47, -18.03]]]]}, "2018-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, -18.53], [36.25, -18.0], [36.47, -17.47], [37.0, -17.25], [37.25, -17.35], [37.32, -17.32], [37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.32, -16.82], [38.47, -16.47], [39.0, -16.25], [39.25, -16.35], [39.32, -16.32], [39.47, -15.97], [40.0, -15.75], [40.53, -15.97], [40.75, -16.5], [40.53, -17.03], [40.18, -17.18], [40.15, -17.25], [40.25, -17.5], [40.15, -17.75], [40.25, -18.0], [40.03, -18.53], [39.68, -18.68], [39.53, -19.03], [39.0, -19.25], [38.47, -19.03], [38.32, -18.68], [38.25, -18.65], [38.0, -18.75], [37.75, -18.65], [37.5, -18.75], [37.25, -18.65], [37.0, -18.75], [36.47, -18.53]]]]}, "2018-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, -18.53], [36.25, -18.0], [36.47, -17.47], [37.0, -17.25], [37.25, -17.35], [37.32, -17.32], [37.47, -16.97], [37.82, -16.82], [37.97, -16.47], [38.32, -16.32], [38.47, -15.97], [39.0, -15.75], [39.25, -15.85], [39.32, -15.82], [39.47, -15.47], [40.0, -15.25], [40.53, -15.47], [40.75, -16.0], [40.65, -16.25], [40.75, -16.5], [40.65, -16.75], [40.75, -17.0], [40.65, -17.25], [40.75, -17.5], [40.53, -18.03], [40.18, -18.18], [40.03, -18.53], [39.68, -18.68], [39.53, -19.03], [39.0, -19.25], [38.47, -19.03], [38.32, -18.68], [38.25, -18.65], [38.0, -18.75], [37.75, -18.65], [37.5, -18.75], [37.25, -18.65], [37.0, -18.75], [36.47, -18.53]]]]}, "2018-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, -18.53], [36.25, -18.0], [36.47, -17.47], [37.0, -17.25], [37.25, -17.35], [37.32, -17.32], [37.47, -16.97], [37.82, -16.82], [37.97, -16.47], [38.32, -16.32], [38.47, -15.97], [39.0, -15.75], [39.25, -15.85], [39.32, -15.82], [39.47, -15.47], [39.82, -15.32], [39.97, -14.97], [40.5, -14.75], [41.03, -14.97], [41.25, -15.5], [41.03, -16.03], [40.68, -16.18], [40.65, -16.25], [40.68, -16.32], [40.75, -16.35], [41.0, -16.25], [41.25, -16.35], [41.5, -16.25], [41.75, -16.35], [42.0, -16.25], [42.53, -16.47], [42.68, -16.82], [43.03, -16.97], [43.25, -17.5], [43.15, -17.75], [43.18, -17.82], [43.25, -17.85], [43.5, -17.75], [44.03, -17.97], [44.25, -18.5], [44.15, -18.75], [44.25, -19.0], [44.03, -19.53], [43.5, -19.75], [43.25, -19.65], [43.0, -19.75], [42.47, -19.53], [42.32, -19.18], [41.97, -19.03], [41.82, -18.68], [41.75, -18.65], [41.5, -18.75], [41.25, -18.65], [41.0, -18.75], [40.75, -18.65], [40.5, -18.75], [40.25, -18.65], [40.0, -18.75], [39.75, -18.65], [39.68, -18.68], [39.53, -19.03], [39.0, -19.25], [38.47, -19.03], [38.32, -18.68], [38.25, -18.65], [38.0, -18.75], [37.75, -18.65], [37.5, -18.75], [37.25, -18.65], [37.0, -18.75], [36.47, -18.53]]]]}, "2018-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.75, -17.0], [37.97, -16.47], [38.32, -16.32], [38.47, -15.97], [39.0, -15.75], [39.25, -15.85], [39.32, -15.82], [39.47, -15.47], [39.82, -15.32], [39.97, -14.97], [40.5, -14.75], [41.03, -14.97], [41.25, -15.5], [41.04, -16.0], [41.18, -16.32], [41.25, -16.35], [41.5, -16.25], [41.75, -16.35], [42.0, -16.25], [42.53, -16.47], [42.68, -16.82], [43.03, -16.97], [43.25, -17.5], [43.15, -17.75], [43.18, -17.82], [43.25, -17.85], [43.5, -17.75], [44.03, -17.97], [44.25, -18.5], [44.15, -18.75], [44.25, -19.0], [44.03, -19.53], [43.5, -19.75], [43.25, -19.65], [43.0, -19.75], [42.47, -19.53], [42.32, -19.18], [41.97, -19.03], [41.82, -18.68], [41.75, -18.65], [41.5, -18.75], [41.25, -18.65], [41.0, -18.75], [40.75, -18.65], [40.5, -18.75], [40.25, -18.65], [40.0, -18.75], [39.75, -18.65], [39.5, -18.75], [39.25, -18.65], [39.0, -18.75], [38.47, -18.53], [38.25, -18.0], [38.35, -17.75], [38.32, -17.68], [37.97, -17.53], [37.75, -17.0]]]]}, "2018-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.35, -17.25], [38.25, -17.0], [38.47, -16.47], [38.82, -16.32], [38.97, -15.97], [39.32, -15.82], [39.47, -15.47], [39.82, -15.32], [39.97, -14.97], [40.5, -14.75], [41.03, -14.97], [41.25, -15.5], [41.04, -16.0], [41.18, -16.32], [41.25, -16.35], [41.5, -16.25], [41.75, -16.35], [42.0, -16.25], [42.53, -16.47], [42.68, -16.82], [43.03, -16.97], [43.25, -17.5], [43.15, -17.75], [43.18, -17.82], [43.25, -17.85], [43.5, -17.75], [44.03, -17.97], [44.25, -18.5], [44.15, -18.75], [44.25, -19.0], [44.03, -19.53], [43.5, -19.75], [43.25, -19.65], [43.0, -19.75], [42.47, -19.53], [42.32, -19.18], [41.97, -19.03], [41.82, -18.68], [41.75, -18.65], [41.5, -18.75], [41.25, -18.65], [41.0, -18.75], [40.75, -18.65], [40.5, -18.75], [40.25, -18.65], [40.0, -18.75], [39.75, -18.65], [39.5, -18.75], [39.25, -18.65], [39.0, -18.75], [38.47, -18.53], [38.25, -18.0], [38.35, -17.75], [38.25, -17.5], [38.35, -17.25]]]]}, "2018-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.35, -17.25], [38.25, -17.0], [38.47, -16.47], [38.82, -16.32], [38.97, -15.97], [39.32, -15.82], [39.47, -15.47], [39.82, -15.32], [39.97, -14.97], [40.5, -14.75], [41.03, -14.97], [41.25, -15.5], [41.04, -16.0], [41.18, -16.32], [41.53, -16.47], [41.68, -16.82], [42.03, -16.97], [42.25, -17.5], [42.15, -17.75], [42.25, -18.0], [42.03, -18.53], [41.5, -18.75], [41.25, -18.65], [41.0, -18.75], [40.75, -18.65], [40.5, -18.75], [40.25, -18.65], [40.0, -18.75], [39.75, -18.65], [39.5, -18.75], [39.25, -18.65], [39.0, -18.75], [38.47, -18.53], [38.25, -18.0], [38.35, -17.75], [38.25, -17.5], [38.35, -17.25]]]]}, "2018-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.32, -15.82], [39.47, -15.47], [40.0, -15.25], [40.53, -15.47], [40.75, -16.0], [40.65, -16.25], [40.75, -16.5], [40.65, -16.75], [40.68, -16.82], [41.03, -16.97], [41.25, -17.5], [41.03, -18.03], [40.5, -18.25], [39.97, -18.03], [39.82, -17.68], [39.75, -17.65], [39.5, -17.75], [39.25, -17.65], [39.0, -17.75], [38.47, -17.53], [38.25, -17.0], [38.47, -16.47], [38.82, -16.32], [38.97, -15.97], [39.32, -15.82]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.372411903593161}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1828639701393617}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.14266813313509, 28.305323860216504, 28.458787373092775, 28.606311027481183, 28.612407461678345, 28.689197156058526, 28.475051836645946, 28.150781601706797]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.15476716521573, 28.40301083520086, 28.766195309952423, 29.124397830317832, 29.13308066510524, 28.983337350412455, 28.833095840280976, 28.554675760871135]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0206351902228192, 1.091692580160473, 1.3532309382423477, 1.195317096649165, 1.1562525993090877, 1.1900120267855854, 1.1572933307214364, 1.0779301426161478]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0884289371506952, 1.2712784833934165, 2.0837027818603246, 2.372411903593161, 1.5611040421345592, 1.6263650327375103, 1.5419426890593968, 1.4244678209517474]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4205875579342153, 1.5112025938843943, 1.7224053450432677, 1.5932571299431888, 1.5638596238115396, 1.6580430869086265, 1.6150348691187033, 1.4877349083594424]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4482096029686435, 1.6604065064681557, 2.0483382296976522, 2.169537469222037, 1.88691271116438, 1.9984426610214074, 1.833533157316088, 1.6170041269395052]}}