{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:40.261640", "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": "2011-Oct-05_to_2011-Oct-10_316.5_-3.0"}, "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": 2011100001803}, "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 05 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 55502.10904521888}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.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": []}, "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": -3.0}, "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": 316.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "316.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 315.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 318.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.53, -3.53], [-44.75, -3.0], [-44.53, -2.47], [-44.0, -2.25], [-43.75, -2.35], [-43.5, -2.25], [-43.25, -2.35], [-43.0, -2.25], [-42.47, -2.47], [-42.32, -2.82], [-42.25, -2.85], [-42.0, -2.75], [-41.47, -2.97], [-41.25, -3.5], [-41.47, -4.03], [-42.0, -4.25], [-42.25, -4.15], [-42.5, -4.25], [-42.75, -4.15], [-43.0, -4.25], [-43.53, -4.03], [-43.68, -3.68], [-43.75, -3.65], [-44.0, -3.75], [-44.53, -3.53]]]]}, "2011-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.54, -3.5], [-44.75, -3.0], [-44.53, -2.47], [-44.0, -2.25], [-43.75, -2.35], [-43.5, -2.25], [-43.25, -2.35], [-43.0, -2.25], [-42.47, -2.47], [-42.32, -2.82], [-42.25, -2.85], [-42.0, -2.75], [-41.47, -2.97], [-41.25, -3.5], [-41.35, -3.75], [-41.25, -4.0], [-41.47, -4.53], [-41.82, -4.68], [-41.85, -4.75], [-41.75, -5.0], [-41.97, -5.53], [-42.5, -5.75], [-43.0, -5.54], [-43.5, -5.75], [-43.75, -5.65], [-44.0, -5.75], [-44.53, -5.53], [-44.75, -5.0], [-44.54, -4.5], [-44.75, -4.0], [-44.54, -3.5]]]]}, "2011-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.54, -3.5], [-44.75, -3.0], [-44.53, -2.47], [-44.0, -2.25], [-43.75, -2.35], [-43.5, -2.25], [-43.25, -2.35], [-43.0, -2.25], [-42.47, -2.47], [-42.32, -2.82], [-42.25, -2.85], [-42.0, -2.75], [-41.47, -2.97], [-41.32, -3.32], [-40.97, -3.47], [-40.75, -4.0], [-40.97, -4.53], [-41.5, -4.75], [-41.75, -4.65], [-41.82, -4.68], [-41.85, -4.75], [-41.75, -5.0], [-41.97, -5.53], [-42.5, -5.75], [-43.0, -5.54], [-43.5, -5.75], [-43.75, -5.65], [-44.0, -5.75], [-44.53, -5.53], [-44.75, -5.0], [-44.54, -4.5], [-44.75, -4.0], [-44.54, -3.5]]]]}, "2011-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.53, -3.47], [-44.18, -3.32], [-44.15, -3.25], [-44.25, -3.0], [-44.03, -2.47], [-43.5, -2.25], [-43.25, -2.35], [-43.0, -2.25], [-42.47, -2.47], [-42.25, -3.0], [-42.43, -3.43], [-42.0, -3.25], [-41.75, -3.35], [-41.5, -3.25], [-40.97, -3.47], [-40.75, -4.0], [-40.97, -4.53], [-41.5, -4.75], [-41.75, -4.65], [-41.82, -4.68], [-41.85, -4.75], [-41.75, -5.0], [-41.97, -5.53], [-42.5, -5.75], [-43.0, -5.54], [-43.5, -5.75], [-43.75, -5.65], [-44.0, -5.75], [-44.53, -5.53], [-44.75, -5.0], [-44.54, -4.5], [-44.75, -4.0], [-44.53, -3.47]]]]}, "2011-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.97, -5.53], [-43.5, -5.75], [-43.75, -5.65], [-44.0, -5.75], [-44.53, -5.53], [-44.75, -5.0], [-44.53, -4.47], [-44.0, -4.25], [-43.75, -4.35], [-43.5, -4.25], [-42.97, -4.47], [-42.75, -5.0], [-42.97, -5.53]]], [[[-42.25, -4.0], [-42.03, -3.47], [-41.5, -3.25], [-40.97, -3.47], [-40.75, -4.0], [-40.97, -4.53], [-41.5, -4.75], [-42.03, -4.53], [-42.25, -4.0]]], [[[-42.97, -2.47], [-42.75, -3.0], [-42.85, -3.25], [-42.75, -3.5], [-42.97, -4.03], [-43.5, -4.25], [-44.03, -4.03], [-44.25, -3.5], [-44.15, -3.25], [-44.25, -3.0], [-44.03, -2.47], [-43.5, -2.25], [-42.97, -2.47]]]]}, "2011-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.5, -3.25], [-40.97, -3.47], [-40.75, -4.0], [-40.97, -4.53], [-41.5, -4.75], [-42.03, -4.53], [-42.25, -4.0], [-42.03, -3.47], [-41.5, -3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.784934725339724}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3360898058889796}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.11925753337158, 31.105984054260546, 31.311967204349003, 31.133304869765027, 30.85184722736318, 32.11095577139071]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.333330404754463, 32.64471910922663, 32.78941398996534, 32.40611871245312, 32.00674622596995, 32.11095577139071]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0608181690113838, 1.4056560970735745, 1.5146453830393984, 1.2187626820419837, 1.1924830936797661, 0.9517055832129131]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.127325507423791, 1.7012656105023893, 1.784934725339724, 1.5984647855445928, 1.5754184366339814, 0.9517055832129131]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4500454101270395, 1.624578433787101, 1.7739293936117861, 1.4036646980635716, 1.418663654734557, 1.4800852202282258]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6419810783440896, 1.9840571223824104, 2.1818653896104254, 1.7419810221610585, 1.5051292188791965, 1.4800852202282258]}}