{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:22.664081", "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": "2023-Sep-13_to_2023-Sep-17_318.0_-11.5"}, "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": 2023090001416}, "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": "September 13 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 17 2023"}, "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": 150844.33527067408}, "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": ["Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "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": -11.5}, "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": 318.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "318.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 316.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 319.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-43.65, -12.75], [-43.75, -12.5], [-43.65, -12.25], [-43.68, -12.18], [-44.03, -12.03], [-44.25, -11.5], [-44.15, -11.25], [-44.25, -11.0], [-44.15, -10.75], [-44.25, -10.5], [-44.03, -9.97], [-43.68, -9.82], [-43.53, -9.47], [-43.0, -9.25], [-42.75, -9.35], [-42.5, -9.25], [-42.25, -9.35], [-42.0, -9.25], [-41.75, -9.35], [-41.5, -9.25], [-41.25, -9.35], [-41.0, -9.25], [-40.47, -9.47], [-40.25, -10.0], [-40.35, -10.25], [-40.25, -10.5], [-40.35, -10.75], [-40.25, -11.0], [-40.47, -11.53], [-40.82, -11.68], [-40.85, -11.75], [-40.75, -12.0], [-40.85, -12.25], [-40.75, -12.5], [-40.96, -13.0], [-40.75, -13.5], [-40.85, -13.75], [-40.75, -14.0], [-40.85, -14.25], [-40.75, -14.5], [-40.97, -15.03], [-41.32, -15.18], [-41.47, -15.53], [-42.0, -15.75], [-42.25, -15.65], [-42.32, -15.68], [-42.47, -16.03], [-43.0, -16.25], [-43.25, -16.15], [-43.5, -16.25], [-44.03, -16.03], [-44.25, -15.5], [-44.03, -14.97], [-43.68, -14.82], [-43.65, -14.75], [-43.68, -14.68], [-44.03, -14.53], [-44.25, -14.0], [-44.15, -13.75], [-44.25, -13.5], [-44.03, -12.97], [-43.68, -12.82], [-43.65, -12.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.02999999999997, -12.03], [-44.25, -11.5], [-44.02999999999997, -10.97], [-43.5, -10.75], [-43.25, -10.85], [-43.18000000000001, -10.82], [-43.02999999999997, -10.47], [-42.68000000000001, -10.32], [-42.52999999999997, -9.97], [-42.18000000000001, -9.82], [-42.02999999999997, -9.47], [-41.5, -9.25], [-41.25, -9.35], [-41.0, -9.25], [-40.47000000000003, -9.47], [-40.25, -10.0], [-40.35000000000002, -10.25], [-40.25, -10.5], [-40.35000000000002, -10.75], [-40.25, -11.0], [-40.47000000000003, -11.53], [-40.81999999999999, -11.68], [-40.97000000000003, -12.03], [-41.31999999999999, -12.18], [-41.47000000000003, -12.53], [-41.81999999999999, -12.68], 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29.79118141691532, 31.141424551246814, 31.38305565229325, 30.100406806255876]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.002825917955692, 2.1292788654856407, 3.012754815906086, 2.4126154938152844, 1.6909374048694237]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.411226159880414, 3.000656713250521, 4.212613528969712, 3.295134072941437, 1.924119565890976]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6558344388278925, 1.61119876843855, 2.3292959814491314, 1.9112152073961446, 1.509005528971438]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.013836034449777, 2.270673250745145, 3.0187880561991975, 2.9016229506370808, 1.8273924331000508]}}