{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:55.748863", "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": "2020-Oct-30_to_2020-Nov-01_292.5_18.5"}, "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": 2020100002667}, "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": "October 30 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 01 2020"}, "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": 87807.31045260455}, "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": ["Puerto Rico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Caribbean Sea", "North Atlantic Ocean"]}, "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": 18.5}, "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": 292.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.75}, "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": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.03, 20.03], [-68.5, 20.25], [-68.25, 20.15], [-68.0, 20.25], [-67.75, 20.15], [-67.5, 20.25], [-67.25, 20.15], [-67.0, 20.25], [-66.75, 20.15], [-66.5, 20.25], [-66.25, 20.15], [-66.0, 20.25], [-65.75, 20.15], [-65.5, 20.25], [-64.97, 20.03], [-64.75, 19.5], [-64.85, 19.25], [-64.82, 19.18], [-64.75, 19.15], [-64.5, 19.25], [-64.25, 19.15], [-64.0, 19.25], [-63.75, 19.15], [-63.5, 19.25], [-62.97, 19.03], [-62.75, 18.5], [-62.97, 17.97], [-63.32, 17.82], [-63.47, 17.47], [-64.0, 17.25], [-64.25, 17.35], [-64.5, 17.25], [-64.75, 17.35], [-65.0, 17.25], [-65.25, 17.35], [-65.5, 17.25], [-65.75, 17.35], [-66.0, 17.25], [-66.53, 17.47], [-66.68, 17.82], [-66.75, 17.85], [-66.82, 17.82], [-66.97, 17.47], [-67.5, 17.25], [-68.03, 17.47], [-68.18, 17.82], [-68.53, 17.97], [-68.68, 18.32], [-69.03, 18.47], [-69.25, 19.0], [-69.15, 19.25], [-69.25, 19.5], [-69.03, 20.03]]]]}, "2020-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.03, 20.03], [-68.5, 20.25], [-68.25, 20.15], [-68.0, 20.25], [-67.75, 20.15], [-67.5, 20.25], [-67.25, 20.15], [-67.0, 20.25], [-66.75, 20.15], [-66.5, 20.25], [-66.25, 20.15], [-66.0, 20.25], [-65.75, 20.15], [-65.5, 20.25], [-64.97, 20.03], [-64.75, 19.5], [-64.85, 19.25], [-64.82, 19.18], [-64.75, 19.15], [-64.5, 19.25], [-64.25, 19.15], [-64.0, 19.25], [-63.75, 19.15], [-63.5, 19.25], [-62.97, 19.03], [-62.75, 18.5], [-62.97, 17.97], [-63.32, 17.82], [-63.47, 17.47], [-64.0, 17.25], [-64.25, 17.35], [-64.5, 17.25], [-64.75, 17.35], [-65.0, 17.25], [-65.25, 17.35], [-65.5, 17.25], [-65.75, 17.35], [-66.0, 17.25], [-66.53, 17.47], [-66.68, 17.82], [-66.75, 17.85], [-66.82, 17.82], [-66.97, 17.47], [-67.5, 17.25], [-68.03, 17.47], [-68.18, 17.82], [-68.53, 17.97], [-68.68, 18.32], [-69.03, 18.47], [-69.25, 19.0], [-69.15, 19.25], [-69.25, 19.5], [-69.03, 20.03]]]]}, "2020-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.03, 20.03], [-68.5, 20.25], [-68.25, 20.15], [-68.0, 20.25], [-67.75, 20.15], [-67.5, 20.25], [-67.25, 20.15], [-67.0, 20.25], [-66.75, 20.15], [-66.5, 20.25], [-66.25, 20.15], [-66.0, 20.25], [-65.75, 20.15], [-65.5, 20.25], [-64.97, 20.03], [-64.75, 19.5], [-64.85, 19.25], [-64.82, 19.18], [-64.75, 19.15], [-64.5, 19.25], [-64.25, 19.15], [-64.0, 19.25], [-63.75, 19.15], [-63.5, 19.25], [-62.97, 19.03], [-62.75, 18.5], [-62.97, 17.97], [-63.32, 17.82], [-63.47, 17.47], [-64.0, 17.25], [-64.25, 17.35], [-64.5, 17.25], [-64.75, 17.35], [-65.0, 17.25], [-65.25, 17.35], [-65.5, 17.25], [-65.75, 17.35], [-66.0, 17.25], [-66.53, 17.47], [-66.68, 17.82], [-66.75, 17.85], [-66.82, 17.82], [-66.97, 17.47], [-67.5, 17.25], [-68.03, 17.47], [-68.18, 17.82], [-68.53, 17.97], [-68.68, 18.32], [-69.03, 18.47], [-69.25, 19.0], [-69.15, 19.25], [-69.25, 19.5], [-69.03, 20.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.307307756126761}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9929186218015439}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.87711673064223, 27.824175037602174, 27.689362378477483]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.135485448513236, 28.37322597336896, 28.164523200724318]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0412888974901269, 1.0185765618964562, 0.9188904060180486]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.307307756126761, 1.2606766590216694, 1.0570193327875472]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7399105684582523, 1.7312154680280378, 1.5791931111567643]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.16564643167856, 2.2009248060166846, 1.8891361757398712]}}