{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:29.293979", "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": "2013-May-27_to_2013-May-31_48.5_-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": 2013050002736}, "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 27 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 31 2013"}, "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": 56052.15998152623}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": []}, "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": 48.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "48.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.25}, "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": {"2013-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, -16.75], [47.25, -16.5], [47.35, -16.25], [47.25, -16.0], [47.47, -15.47], [47.82, -15.32], [47.97, -14.97], [48.5, -14.75], [49.03, -14.97], [49.25, -15.5], [49.15, -15.75], [49.25, -16.0], [49.15, -16.25], [49.25, -16.5], [49.15, -16.75], [49.25, -17.0], [49.03, -17.53], [48.68, -17.68], [48.53, -18.03], [48.0, -18.25], [47.47, -18.03], [47.25, -17.5], [47.35, -17.25], [47.25, -17.0], [47.35, -16.75]]]]}, "2013-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, -18.25], [47.25, -18.0], [47.35, -17.75], [47.25, -17.5], [47.35, -17.25], [47.25, -17.0], [47.35, -16.75], [47.25, -16.5], [47.35, -16.25], [47.25, -16.0], [47.47, -15.47], [47.82, -15.32], [47.97, -14.97], [48.5, -14.75], [49.03, -14.97], [49.25, -15.5], [49.15, -15.75], [49.18, -15.82], [49.53, -15.97], [49.75, -16.5], [49.65, -16.75], [49.75, -17.0], [49.65, -17.25], [49.75, -17.5], [49.65, -17.75], [49.75, -18.0], [49.53, -18.53], [49.18, -18.68], [49.15, -18.75], [49.25, -19.0], [49.03, -19.53], [48.5, -19.75], [48.25, -19.65], [48.0, -19.75], [47.47, -19.53], [47.25, -19.0], [47.35, -18.75], [47.25, -18.5], [47.35, -18.25]]]]}, "2013-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, -18.25], [47.25, -18.0], [47.35, -17.75], [47.25, -17.5], [47.35, -17.25], [47.25, -17.0], [47.35, -16.75], [47.25, -16.5], [47.35, -16.25], [47.25, -16.0], [47.47, -15.47], [47.82, -15.32], [47.97, -14.97], [48.5, -14.75], [49.03, -14.97], [49.25, -15.5], [49.15, -15.75], [49.18, -15.82], [49.53, -15.97], [49.75, -16.5], [49.65, -16.75], [49.75, -17.0], [49.65, -17.25], [49.75, -17.5], [49.65, -17.75], [49.75, -18.0], [49.53, -18.53], [49.18, -18.68], [49.15, -18.75], [49.25, -19.0], [49.03, -19.53], [48.5, -19.75], [48.25, -19.65], [48.0, -19.75], [47.47, -19.53], [47.25, -19.0], [47.35, -18.75], [47.25, -18.5], [47.35, -18.25]]]]}, "2013-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, -18.25], [47.25, -18.0], [47.35, -17.75], [47.25, -17.5], [47.35, -17.25], [47.25, -17.0], [47.35, 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2.0605321998395696, 2.4267666220317956, 2.233254576387177, 2.000494554178955]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2032765198871402, 2.6328745345002744, 2.974913091443284, 2.7485140028575756, 2.352680286973282]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4903881518376543, 1.6613612735676715, 2.0122018498001775, 1.8459399214398624, 1.677189589135691]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7720488771904697, 2.0953002231562996, 2.3244149421764297, 2.1882811641630218, 1.9599895554732496]}}