{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:29.689016", "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": "2014-May-18_to_2014-May-23_20.5_14.5"}, "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": 2014050002273}, "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 18 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 23 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 83897.53750269856}, "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": ["Chad", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": 14.5}, "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": 20.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.5\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": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "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": {"2014-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.47, 15.53], [20.0, 15.75], [20.25, 15.65], [20.5, 15.75], [20.75, 15.65], [21.0, 15.75], [21.53, 15.53], [21.68, 15.18], [22.03, 15.03], [22.18, 14.68], [22.25, 14.65], [22.5, 14.75], [22.75, 14.65], [23.0, 14.75], [23.53, 14.53], [23.75, 14.0], [23.53, 13.47], [23.18, 13.32], [23.03, 12.97], [22.5, 12.75], [22.25, 12.85], [22.0, 12.75], [21.75, 12.85], [21.5, 12.75], [20.97, 12.97], [20.82, 13.32], [20.75, 13.35], [20.5, 13.25], [19.97, 13.47], [19.82, 13.82], [19.47, 13.97], [19.25, 14.5], [19.35, 14.75], [19.25, 15.0], [19.47, 15.53]]]]}, "2014-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, 15.25], [17.75, 15.15], [18.0, 15.25], [18.25, 15.15], [18.5, 15.25], [18.75, 15.15], [18.82, 15.18], [18.97, 15.53], [19.5, 15.75], [19.75, 15.65], [20.0, 15.75], [20.25, 15.65], [20.5, 15.75], [20.75, 15.65], [21.0, 15.75], [21.53, 15.53], [21.68, 15.18], [22.03, 15.03], [22.18, 14.68], [22.25, 14.65], [22.5, 14.75], [22.75, 14.65], [23.0, 14.75], [23.53, 14.53], [23.75, 14.0], [23.53, 13.47], [23.18, 13.32], [23.03, 12.97], [22.5, 12.75], [22.25, 12.85], [22.0, 12.75], [21.75, 12.85], [21.5, 12.75], [20.97, 12.97], [20.82, 13.32], [20.75, 13.35], [20.5, 13.25], [19.97, 13.47], [19.82, 13.82], [19.75, 13.85], [19.68, 13.82], [19.53, 13.47], [19.18, 13.32], [19.03, 12.97], [18.5, 12.75], [18.25, 12.85], [18.0, 12.75], [17.47, 12.97], [17.3, 13.38], [17.0, 13.25], [16.47, 13.47], [16.25, 14.0], [16.47, 14.53], [16.82, 14.68], [16.97, 15.03], [17.5, 15.25]]]]}, "2014-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, 15.25], [17.75, 15.15], [18.0, 15.25], [18.25, 15.15], [18.5, 15.25], [18.75, 15.15], [18.82, 15.18], [18.97, 15.53], [19.5, 15.75], [19.75, 15.65], [20.0, 15.75], [20.25, 15.65], [20.5, 15.75], [20.75, 15.65], [21.0, 15.75], [21.53, 15.53], [21.68, 15.18], [22.03, 15.03], [22.18, 14.68], [22.25, 14.65], [22.5, 14.75], [22.75, 14.65], [23.0, 14.75], [23.53, 14.53], [23.75, 14.0], [23.53, 13.47], [23.18, 13.32], [23.03, 12.97], [22.5, 12.75], [22.25, 12.85], [22.0, 12.75], [21.75, 12.85], [21.5, 12.75], [20.97, 12.97], [20.82, 13.32], [20.75, 13.35], [20.5, 13.25], [19.97, 13.47], [19.82, 13.82], [19.75, 13.85], [19.68, 13.82], [19.53, 13.47], [19.18, 13.32], [19.03, 12.97], [18.5, 12.75], [18.25, 12.85], [18.0, 12.75], [17.47, 12.97], [17.3, 13.38], [17.0, 13.25], [16.47, 13.47], [16.25, 14.0], [16.47, 14.53], [16.82, 14.68], [16.97, 15.03], [17.5, 15.25]]]]}, "2014-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.5, 15.25], [17.75, 15.15], [18.0, 15.25], [18.25, 15.15], [18.5, 15.25], [18.75, 15.15], [18.82, 15.18], [18.97, 15.53], [19.5, 15.75], [20.03, 15.53], [20.2, 15.13], [20.32, 15.18], [20.47, 15.53], [21.0, 15.75], [21.53, 15.53], [21.75, 15.0], [21.65, 14.75], [21.68, 14.68], [22.03, 14.53], [22.25, 14.0], [22.03, 13.47], [21.5, 13.25], [20.97, 13.47], [20.82, 13.82], [20.75, 13.85], [20.5, 13.75], [20.0, 13.96], [19.68, 13.82], [19.53, 13.47], [19.18, 13.32], [19.03, 12.97], [18.5, 12.75], [18.25, 12.85], [18.0, 12.75], [17.47, 12.97], [17.3, 13.38], [17.0, 13.25], [16.47, 13.47], [16.25, 14.0], [16.47, 14.53], [16.82, 14.68], [16.97, 15.03], [17.5, 15.25]]]]}, "2014-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.47, 13.47], [16.25, 14.0], [16.47, 14.53], [17.0, 14.75], [17.5, 14.54], [18.0, 14.75], [18.25, 14.65], [18.5, 14.75], [18.75, 14.65], [19.0, 14.75], [19.53, 14.53], [19.75, 14.0], [19.53, 13.47], [19.18, 13.32], [19.03, 12.97], [18.5, 12.75], [17.97, 12.97], [17.82, 13.32], [17.5, 13.46], [17.0, 13.25], [16.47, 13.47]]]]}, "2014-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.5, 14.25], [19.03, 14.03], [19.25, 13.5], [19.03, 12.97], [18.5, 12.75], [17.97, 12.97], [17.75, 13.5], [17.97, 14.03], [18.5, 14.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.826155892062445}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9212786981099943}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.196974061911476, 35.22110988443728, 35.008938285927854, 35.789644067879124, 35.87864428606804, 35.48874025919048]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.31633546559607, 37.01570391662318, 36.52670625318922, 36.478256266849314, 36.183374183865226, 35.48874025919048]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.006904804379296, 2.094663939098043, 1.857790796697005, 1.7393901242807743, 1.6905432990548888, 1.5380296662425508]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5061162446607455, 2.826155892062445, 2.2844107320228204, 2.182281051618361, 1.897850017711903, 1.5380296662425508]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4964492320201517, 1.5916107374893698, 1.4426460400189502, 1.4259758005997694, 1.425648243552517, 1.1488546591898485]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7483272301288162, 1.9582246915402375, 1.7306875386345246, 1.7849365205945915, 1.6588617948928883, 1.1488546591898485]}}