{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:31.413773", "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": "2012-May-23_to_2012-May-25_350.5_20.0"}, "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": 2012050002792}, "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 23 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 25 2012"}, "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": 52489.36595954198}, "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": ["Mauritania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 20.0}, "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": 350.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 352.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.75}, "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": {"2012-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.15, 19.75], [-10.25, 20.0], [-10.03, 20.53], [-9.68, 20.68], [-9.53, 21.03], [-9.0, 21.25], [-8.75, 21.15], [-8.5, 21.25], [-7.97, 21.03], [-7.75, 20.5], [-7.85, 20.25], [-7.82, 20.18], [-7.75, 20.15], [-7.5, 20.25], [-6.97, 20.03], [-6.75, 19.5], [-6.85, 19.25], [-6.75, 19.0], [-6.97, 18.47], [-7.5, 18.25], [-7.75, 18.35], [-7.82, 18.32], [-7.85, 18.25], [-7.75, 18.0], [-7.97, 17.47], [-8.5, 17.25], [-9.03, 17.47], [-9.18, 17.82], [-9.53, 17.97], [-9.68, 18.32], [-10.03, 18.47], [-10.25, 19.0], [-10.15, 19.25], [-10.25, 19.5], [-10.15, 19.75]]]]}, "2012-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.15, 19.75], [-10.25, 20.0], [-10.03, 20.53], [-9.68, 20.68], [-9.53, 21.03], [-9.0, 21.25], [-8.75, 21.15], [-8.5, 21.25], [-7.97, 21.03], [-7.75, 20.5], [-7.85, 20.25], [-7.82, 20.18], [-7.75, 20.15], [-7.5, 20.25], [-6.97, 20.03], [-6.75, 19.5], [-6.85, 19.25], [-6.75, 19.0], [-6.97, 18.47], [-7.5, 18.25], [-7.75, 18.35], [-7.82, 18.32], [-7.85, 18.25], [-7.75, 18.0], [-7.97, 17.47], [-8.5, 17.25], [-9.03, 17.47], [-9.18, 17.82], [-9.53, 17.97], [-9.68, 18.32], [-10.03, 18.47], [-10.25, 19.0], [-10.15, 19.25], [-10.25, 19.5], [-10.15, 19.75]]]]}, "2012-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.15, 19.75], [-10.25, 20.0], [-10.03, 20.53], [-9.68, 20.68], [-9.53, 21.03], [-9.0, 21.25], [-8.75, 21.15], [-8.5, 21.25], [-7.97, 21.03], [-7.75, 20.5], [-7.85, 20.25], [-7.82, 20.18], [-7.75, 20.15], [-7.5, 20.25], [-6.97, 20.03], [-6.75, 19.5], [-6.85, 19.25], [-6.75, 19.0], [-6.97, 18.47], [-7.5, 18.25], [-7.75, 18.35], [-7.82, 18.32], [-7.85, 18.25], [-7.75, 18.0], [-7.97, 17.47], [-8.5, 17.25], [-9.03, 17.47], [-9.18, 17.82], [-9.53, 17.97], [-9.68, 18.32], [-10.03, 18.47], [-10.25, 19.0], [-10.15, 19.25], [-10.25, 19.5], [-10.15, 19.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.254814411751454}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0950807563360034}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.17827314479189, 35.68929447104887, 35.30517060880368]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.329832602037015, 36.42645816240366, 37.082676639707984]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.884784374339356, 3.4049894774069287, 2.9954684172617254]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3655726807301107, 4.254814411751454, 3.727620803354341]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3925469892795674, 1.6096599353192773, 1.3993509336237338]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5248199174222798, 1.8405855091345942, 1.5835860468464944]}}