{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:01.980357", "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": "2022-Jul-25_to_2022-Jul-29_301.5_-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": 2022070002815}, "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": "July 25 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 29 2022"}, "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": 55383.374455015044}, "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": -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": 301.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-60.53, -4.47], [-60.18, -4.32], [-60.03, -3.97], [-59.5, -3.75], [-58.97, -3.97], [-58.82, -4.32], [-58.75, -4.35], [-58.68, -4.32], [-58.53, -3.97], [-58.0, -3.75], [-57.47, -3.97], [-57.25, -4.5], [-57.46, -5.0], [-57.32, -5.32], [-56.97, -5.47], [-56.75, -6.0], [-56.97, -6.53], [-57.32, -6.68], [-57.47, -7.03], [-58.0, -7.25], [-58.53, -7.03], [-58.68, -6.68], [-59.03, -6.53], [-59.18, -6.18], [-59.25, -6.15], [-59.32, -6.18], [-59.47, -6.53], [-60.0, -6.75], [-60.25, -6.65], [-60.5, -6.75], [-61.03, -6.53], [-61.25, -6.0], [-61.15, -5.75], [-61.25, -5.5], [-61.03, -4.97], [-60.68, -4.82], [-60.53, -4.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -5.5], [-61.02999999999997, -4.97], [-60.68000000000001, -4.82], [-60.52999999999997, -4.47], [-60.18000000000001, -4.32], [-60.02999999999997, -3.97], [-59.5, -3.75], [-58.97000000000003, -3.97], [-58.81999999999999, -4.32], [-58.75, -4.35], [-58.68000000000001, -4.32], [-58.52999999999997, -3.97], [-58.0, -3.75], [-57.47000000000003, -3.97], [-57.25, -4.5], [-57.45999999999998, -5.0], [-57.31999999999999, -5.32], [-56.97000000000003, -5.47], [-56.75, -6.0], [-56.97000000000003, -6.53], [-57.31999999999999, -6.68], [-57.47000000000003, -7.03], [-58.0, -7.25], [-58.52999999999997, -7.03], [-58.68000000000001, -6.68], [-59.02999999999997, -6.53], [-59.18000000000001, -6.18], [-59.25, -6.15], [-59.31999999999999, -6.18], [-59.47000000000003, -6.53], [-60.0, -6.75], [-60.25, -6.65], [-60.5, -6.75], [-61.02999999999997, -6.53], [-61.25, -6.0], [-61.14999999999998, -5.75], [-61.25, -5.5]]]]}, "2022-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -5.5], [-61.02999999999997, -4.97], [-60.68000000000001, -4.82], [-60.52999999999997, -4.47], [-60.18000000000001, -4.32], [-60.02999999999997, -3.97], [-59.5, -3.75], [-58.97000000000003, -3.97], [-58.81999999999999, -4.32], [-58.75, -4.35], [-58.68000000000001, -4.32], [-58.52999999999997, -3.97], [-58.0, -3.75], [-57.47000000000003, -3.97], [-57.25, -4.5], [-57.45999999999998, -5.0], [-57.31999999999999, -5.32], [-56.97000000000003, -5.47], [-56.75, -6.0], [-56.97000000000003, -6.53], [-57.31999999999999, -6.68], [-57.47000000000003, -7.03], [-58.0, -7.25], [-58.52999999999997, -7.03], [-58.68000000000001, -6.68], [-59.02999999999997, -6.53], [-59.18000000000001, -6.18], [-59.25, -6.15], [-59.31999999999999, -6.18], [-59.47000000000003, -6.53], [-60.0, -6.75], [-60.25, -6.65], [-60.5, -6.75], [-61.02999999999997, -6.53], [-61.25, -6.0], [-61.14999999999998, -5.75], [-61.25, -5.5]]]]}, "2022-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, -5.5], [-61.02999999999997, -4.97], [-60.68000000000001, -4.82], [-60.52999999999997, -4.47], [-60.18000000000001, -4.32], [-60.02999999999997, -3.97], [-59.5, -3.75], [-58.97000000000003, -3.97], [-58.81999999999999, -4.32], [-58.75, -4.35], [-58.68000000000001, -4.32], [-58.52999999999997, -3.97], [-58.0, -3.75], [-57.47000000000003, -3.97], [-57.25, -4.5], [-57.45999999999998, -5.0], [-57.31999999999999, -5.32], [-56.97000000000003, -5.47], [-56.75, -6.0], [-56.97000000000003, -6.53], [-57.31999999999999, -6.68], [-57.47000000000003, -7.03], [-58.0, -7.25], [-58.52999999999997, -7.03], [-58.68000000000001, -6.68], [-59.02999999999997, -6.53], [-59.18000000000001, -6.18], [-59.25, -6.15], [-59.31999999999999, -6.18], [-59.47000000000003, -6.53], [-60.0, -6.75], [-60.25, -6.65], [-60.5, -6.75], [-61.02999999999997, -6.53], [-61.25, -6.0], [-61.14999999999998, -5.75], [-61.25, -5.5]]]]}, "2022-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.52999999999997, -5.53], [-59.75, -5.0], [-59.52999999999997, -4.47], [-59.0, -4.25], [-58.75, -4.35], [-58.5, -4.25], [-57.97000000000003, -4.47], [-57.75, -5.0], [-57.85000000000002, -5.25], [-57.81999999999999, -5.32], [-57.47000000000003, -5.47], [-57.25, -6.0], [-57.47000000000003, -6.53], [-58.0, -6.75], [-58.52999999999997, -6.53], [-58.68000000000001, -6.18], [-59.02999999999997, -6.03], [-59.18000000000001, -5.68], [-59.52999999999997, -5.53]]]]}, "2022-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.02999999999997, -4.97], [-58.5, -4.75], [-57.97000000000003, -4.97], [-57.75, -5.5], [-57.97000000000003, -6.03], [-58.5, -6.25], [-59.02999999999997, -6.03], [-59.25, -5.5], [-59.02999999999997, -4.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5193082305374332}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7688218305675365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.670723742273992, 28.964288121440006, 28.866292562441572, 28.495373553806417, 28.574439837242494]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.768257829947117, 29.947455870442525, 29.881873916091592, 29.11082097560262, 28.574439837242494]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6614392031495886, 1.918161196225763, 1.7800397144759568, 1.584051248016408, 1.5507609620954668]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.101875957076345, 2.5193082305374332, 2.507538349998356, 1.8512053225750265, 1.5507609620954668]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.467174016435127, 1.6608774481398714, 1.4972463037660682, 1.3024221992127791, 1.2173911755028863]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6371528600216867, 1.9410305756774366, 1.9039977446872485, 1.4757748751313062, 1.2173911755028863]}}