{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:58.532189", "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": "2020-May-04_to_2020-May-08_36.0_14.0"}, "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": 2020050001218}, "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": "May 04 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 08 2020"}, "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": 54112.15745281292}, "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": ["Eritrea", "South Sudan", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "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": []}, "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": 14.0}, "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": 36.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "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": {"2020-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 13.03], [34.5, 13.25], [35.03, 13.03], [35.25, 12.5], [35.15, 12.25], [35.25, 12.0], [35.03, 11.47], [34.5, 11.25], [33.97, 11.47], [33.75, 12.0], [33.85, 12.25], [33.75, 12.5], [33.97, 13.03]]]]}, "2020-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.0, 13.25], [33.25, 13.15], [33.5, 13.25], [33.75, 13.15], [34.0, 13.25], [34.25, 13.15], [34.5, 13.25], [35.03, 13.03], [35.25, 12.5], [35.15, 12.25], [35.25, 12.0], [35.03, 11.47], [34.5, 11.25], [34.0, 11.46], [33.5, 11.25], [33.25, 11.35], [33.0, 11.25], [32.47, 11.47], [32.25, 12.0], [32.35, 12.25], [32.25, 12.5], [32.47, 13.03], [33.0, 13.25]]], [[[36.47, 15.53], [37.0, 15.75], [37.25, 15.65], [37.5, 15.75], [38.03, 15.53], [38.25, 15.0], [38.15, 14.75], [38.25, 14.5], [38.03, 13.97], [37.5, 13.75], [37.25, 13.85], [37.0, 13.75], [36.75, 13.85], [36.68, 13.82], [36.53, 13.47], [36.0, 13.25], [35.47, 13.47], [35.25, 14.0], [35.47, 14.53], [35.82, 14.68], [35.97, 15.03], [36.32, 15.18], [36.47, 15.53]]]]}, "2020-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, 13.03], [33.0, 13.25], [33.25, 13.15], [33.5, 13.25], [33.75, 13.15], [33.82, 13.18], [33.97, 13.53], [34.32, 13.68], [34.35, 13.75], [34.25, 14.0], [34.47, 14.53], [35.0, 14.75], [35.25, 14.65], [35.5, 14.75], [35.75, 14.65], [35.82, 14.68], [35.97, 15.03], [36.32, 15.18], [36.47, 15.53], [37.0, 15.75], [37.25, 15.65], [37.5, 15.75], [38.03, 15.53], [38.25, 15.0], [38.15, 14.75], [38.25, 14.5], [38.03, 13.97], [37.5, 13.75], [37.25, 13.85], [37.0, 13.75], [36.75, 13.85], [36.68, 13.82], [36.53, 13.47], [36.18, 13.32], [36.03, 12.97], [35.5, 12.75], [35.25, 12.85], [35.18, 12.82], [35.15, 12.75], [35.25, 12.5], [35.15, 12.25], [35.25, 12.0], [35.03, 11.47], [34.5, 11.25], [34.0, 11.46], [33.5, 11.25], [33.25, 11.35], [33.0, 11.25], [32.47, 11.47], [32.25, 12.0], [32.35, 12.25], [32.25, 12.5], [32.47, 13.03]]]]}, "2020-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, 13.03], [33.0, 13.25], [33.25, 13.15], [33.5, 13.25], [33.75, 13.15], [33.82, 13.18], [33.97, 13.53], [34.32, 13.68], [34.35, 13.75], [34.25, 14.0], [34.47, 14.53], [35.0, 14.75], [35.25, 14.65], [35.5, 14.75], [35.75, 14.65], [35.82, 14.68], [35.97, 15.03], [36.32, 15.18], [36.47, 15.53], [37.0, 15.75], [37.25, 15.65], [37.5, 15.75], [38.03, 15.53], [38.25, 15.0], [38.15, 14.75], [38.25, 14.5], [38.03, 13.97], [37.5, 13.75], [37.25, 13.85], [37.0, 13.75], [36.75, 13.85], [36.68, 13.82], [36.53, 13.47], [36.18, 13.32], [36.03, 12.97], [35.5, 12.75], [35.25, 12.85], [35.18, 12.82], [35.03, 12.47], [34.68, 12.32], [34.53, 11.97], [34.18, 11.82], [34.03, 11.47], [33.5, 11.25], [33.25, 11.35], [33.0, 11.25], [32.47, 11.47], [32.25, 12.0], [32.35, 12.25], [32.25, 12.5], [32.47, 13.03]]]]}, "2020-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 14.0], [34.47, 14.53], [35.0, 14.75], [35.25, 14.65], [35.5, 14.75], [35.75, 14.65], [36.0, 14.75], [36.53, 14.53], [36.75, 14.0], [36.53, 13.47], [36.18, 13.32], [36.03, 12.97], [35.5, 12.75], [35.25, 12.85], [35.18, 12.82], [35.03, 12.47], [34.5, 12.25], [33.97, 12.47], [33.75, 13.0], [33.97, 13.53], [34.32, 13.68], [34.35, 13.75], [34.25, 14.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9640607065268796}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.400564740771474}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.424881055442256, 35.159074524495736, 35.55271847212856, 35.428002302706545, 36.23456586299591]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.69508909446728, 36.46532290211684, 36.75877885179972, 36.458826011259646, 36.517767683735315]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2706910549992187, 2.3807391945684695, 2.471035803631013, 2.373684503520021, 2.34707876356066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.390151037813439, 2.877983802122344, 2.9640607065268796, 2.543006310674798, 2.6281908198005794]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.239475170992899, 1.3648056803774549, 1.385888530809152, 1.323214369925098, 1.2467990587619102]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2610083511337586, 1.6627422792994793, 1.7247052735438058, 1.563052632998645, 1.3812994134275962]}}