{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:19.194781", "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": "2021-Jun-24_to_2021-Jun-27_302.0_5.5"}, "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": 2021060002708}, "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": "June 24 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 27 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 92382.7668363822}, "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": ["French Guiana", "Guyana", "Suriname"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": ["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": 5.5}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 301.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.75}, "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": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.65, 5.25], [-58.75, 5.5], [-58.53, 6.03], [-58.18, 6.18], [-58.03, 6.53], [-57.5, 6.75], [-56.97, 6.53], [-56.75, 6.0], [-56.85, 5.75], [-56.75, 5.5], [-56.97, 4.97], [-57.32, 4.82], [-57.35, 4.75], [-57.25, 4.5], [-57.47, 3.97], [-58.0, 3.75], [-58.53, 3.97], [-58.75, 4.5], [-58.65, 4.75], [-58.75, 5.0], [-58.65, 5.25]]]]}, "2021-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.65, 5.25], [-58.75, 5.5], [-58.53, 6.03], [-58.18, 6.18], [-58.03, 6.53], [-57.5, 6.75], [-57.0, 6.54], [-56.5, 6.75], [-55.97, 6.53], [-55.8, 6.12], [-55.5, 6.25], [-55.25, 6.15], [-55.0, 6.25], [-54.75, 6.15], [-54.5, 6.25], [-54.25, 6.15], [-54.0, 6.25], [-53.47, 6.03], [-53.32, 5.68], [-52.97, 5.53], [-52.75, 5.0], [-52.96, 4.5], [-52.75, 4.0], [-52.96, 3.5], [-52.75, 3.0], [-52.97, 2.47], [-53.5, 2.25], [-54.03, 2.47], [-54.18, 2.82], [-54.53, 2.97], [-54.75, 3.5], [-54.62, 3.8], [-55.0, 3.96], [-55.5, 3.75], [-55.75, 3.85], [-56.0, 3.75], [-56.25, 3.85], [-56.5, 3.75], [-56.75, 3.85], [-57.0, 3.75], [-57.5, 3.96], [-58.0, 3.75], [-58.53, 3.97], [-58.75, 4.5], [-58.65, 4.75], [-58.75, 5.0], [-58.65, 5.25]]]]}, "2021-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.65, 5.25], [-58.75, 5.5], [-58.53, 6.03], [-58.18, 6.18], [-58.03, 6.53], [-57.5, 6.75], [-57.0, 6.54], [-56.5, 6.75], [-55.97, 6.53], [-55.8, 6.12], [-55.5, 6.25], [-55.25, 6.15], [-55.0, 6.25], [-54.75, 6.15], [-54.5, 6.25], [-54.25, 6.15], [-54.0, 6.25], [-53.47, 6.03], [-53.32, 5.68], [-52.97, 5.53], [-52.75, 5.0], [-52.96, 4.5], [-52.75, 4.0], [-52.96, 3.5], [-52.75, 3.0], [-52.97, 2.47], [-53.5, 2.25], [-54.03, 2.47], [-54.18, 2.82], [-54.53, 2.97], [-54.75, 3.5], [-54.62, 3.8], [-55.0, 3.96], [-55.5, 3.75], [-55.75, 3.85], [-56.0, 3.75], [-56.25, 3.85], [-56.5, 3.75], [-56.75, 3.85], [-57.0, 3.75], [-57.5, 3.96], [-58.0, 3.75], [-58.53, 3.97], [-58.75, 4.5], [-58.65, 4.75], [-58.75, 5.0], [-58.65, 5.25]]]]}, "2021-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.65, 5.25], [-58.75, 5.5], [-58.53, 6.03], [-58.18, 6.18], [-58.03, 6.53], [-57.5, 6.75], [-57.0, 6.54], [-56.5, 6.75], [-55.97, 6.53], [-55.8, 6.12], [-55.5, 6.25], [-55.25, 6.15], [-55.0, 6.25], [-54.75, 6.15], [-54.5, 6.25], [-54.25, 6.15], [-54.0, 6.25], [-53.47, 6.03], [-53.32, 5.68], [-52.97, 5.53], [-52.75, 5.0], [-52.96, 4.5], [-52.75, 4.0], [-52.96, 3.5], [-52.75, 3.0], [-52.97, 2.47], [-53.5, 2.25], [-54.03, 2.47], [-54.18, 2.82], [-54.53, 2.97], [-54.75, 3.5], [-54.62, 3.8], [-55.0, 3.96], [-55.5, 3.75], [-55.75, 3.85], [-56.0, 3.75], [-56.25, 3.85], [-56.5, 3.75], [-56.75, 3.85], [-57.0, 3.75], [-57.5, 3.96], [-58.0, 3.75], [-58.53, 3.97], [-58.75, 4.5], [-58.65, 4.75], [-58.75, 5.0], [-58.65, 5.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8344572239174113}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0579850368847983}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.718316625305874, 26.52128378855656, 26.522556012135055, 26.59469053104067]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.839797237264463, 26.993049959116604, 27.13793278900522, 27.296291144954978]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.246422901001472, 1.0229984131146996, 1.0254910531873085, 1.0940593336662743]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5022630470147078, 1.5020839476508172, 1.4441813111923807, 1.8344572239174113]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9942894512153884, 1.813565842704166, 1.832333313296943, 1.9118802642629966]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4358075470931535, 2.8320455555828254, 2.730491261927383, 3.0115196264304083]}}