{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:34.938357", "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": "2017-Mar-26_to_2017-Mar-28_23.5_-2.0"}, "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": 2017030002328}, "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 26 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 28 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 55616.2178564894}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": []}, "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": -2.0}, "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": 23.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.46, -1.0], [22.25, -0.5], [22.47, 0.03], [23.0, 0.25], [23.25, 0.15], [23.5, 0.25], [24.0, 0.04], [24.5, 0.25], [25.03, 0.03], [25.18, -0.32], [25.53, -0.47], [25.75, -1.0], [25.63, -1.3], [25.75, -1.35], [26.0, -1.25], [26.53, -1.47], [26.75, -2.0], [26.53, -2.53], [26.18, -2.68], [26.03, -3.03], [25.5, -3.25], [25.25, -3.15], [25.0, -3.25], [24.47, -3.03], [24.3, -2.62], [24.0, -2.75], [23.75, -2.65], [23.5, -2.75], [23.25, -2.65], [23.0, -2.75], [22.47, -2.53], [22.25, -2.0], [22.35, -1.75], [22.25, -1.5], [22.46, -1.0]]]]}, "2017-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.46, -1.0], [22.25, -0.5], [22.47, 0.03], [23.0, 0.25], [23.25, 0.15], [23.5, 0.25], [24.0, 0.04], [24.5, 0.25], [25.03, 0.03], [25.18, -0.32], [25.53, -0.47], [25.75, -1.0], [25.63, -1.3], [25.75, -1.35], [26.0, -1.25], [26.53, -1.47], [26.75, -2.0], [26.53, -2.53], [26.18, -2.68], [26.03, -3.03], [25.5, -3.25], [25.25, -3.15], [25.0, -3.25], [24.47, -3.03], [24.3, -2.62], [24.0, -2.75], [23.75, -2.65], [23.5, -2.75], [23.25, -2.65], [23.0, -2.75], [22.47, -2.53], [22.25, -2.0], [22.35, -1.75], [22.25, -1.5], [22.46, -1.0]]]]}, "2017-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.46, -1.0], [22.25, -0.5], [22.47, 0.03], [23.0, 0.25], [23.25, 0.15], [23.5, 0.25], [24.0, 0.04], [24.5, 0.25], [25.03, 0.03], [25.18, -0.32], [25.53, -0.47], [25.75, -1.0], [25.63, -1.3], [25.75, -1.35], [26.0, -1.25], [26.53, -1.47], [26.75, -2.0], [26.53, -2.53], [26.18, -2.68], [26.03, -3.03], [25.5, -3.25], [25.25, -3.15], [25.0, -3.25], [24.47, -3.03], [24.3, -2.62], [24.0, -2.75], [23.75, -2.65], [23.5, -2.75], [23.25, -2.65], [23.0, -2.75], [22.47, -2.53], [22.25, -2.0], [22.35, -1.75], [22.25, -1.5], [22.46, -1.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.531677952784719}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8550445334932704}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.775631610268363, 27.15126339343368, 27.07468810458022]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.182907023533346, 27.973448378974354, 27.388291320788028]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6832557276150593, 2.006634379359342, 1.8752434935054099]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9044230935290898, 2.531677952784719, 2.2127527433345335]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5296712841180684, 1.8448748544068343, 1.6940851568596877]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7731080198261147, 2.3516937666643325, 1.9925397269845764]}}