{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:36.816415", "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-Apr-09_to_2022-Apr-12_293.0_8.5"}, "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": 2022040001618}, "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": "April 09 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 12 2022"}, "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": 51931.63689716351}, "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": ["Venezuela, Bolivarian Republic of"]}, "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": 8.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.0}, "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": [[[[-68.75, 9.5], [-68.53, 10.03], [-68.18, 10.18], [-68.03, 10.53], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47, 10.53], [-66.25, 10.0], [-66.46, 9.5], [-66.32, 9.18], [-66.25, 9.15], [-66.18, 9.18], [-66.03, 9.53], [-65.5, 9.75], [-65.25, 9.65], [-65.0, 9.75], [-64.47, 9.53], [-64.25, 9.0], [-64.47, 8.47], [-64.82, 8.32], [-64.85, 8.25], [-64.75, 8.0], [-64.97, 7.47], [-65.5, 7.25], [-65.75, 7.35], [-66.0, 7.25], [-66.25, 7.35], [-66.5, 7.25], [-66.75, 7.35], [-67.0, 7.25], [-67.53, 7.47], [-67.68, 7.82], [-68.03, 7.97], [-68.18, 8.32], [-68.53, 8.47], [-68.75, 9.0], [-68.65, 9.25], [-68.75, 9.5]]]]}}, "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": {"2022-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, 9.5], [-68.52999999999997, 10.03], [-68.18, 10.18], [-68.02999999999997, 10.53], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47000000000003, 10.53], [-66.25, 10.0], [-66.45999999999998, 9.5], [-66.32, 9.18], [-66.25, 9.15], [-66.18, 9.18], [-66.02999999999997, 9.53], [-65.5, 9.75], [-65.25, 9.65], [-65.0, 9.75], [-64.47000000000003, 9.53], [-64.25, 9.0], [-64.47000000000003, 8.47], [-64.82, 8.32], [-64.85000000000002, 8.25], [-64.75, 8.0], [-64.97000000000003, 7.47], [-65.5, 7.25], [-65.75, 7.35], [-66.0, 7.25], [-66.25, 7.35], [-66.5, 7.25], [-66.75, 7.35], [-67.0, 7.25], [-67.52999999999997, 7.47], [-67.68, 7.82], [-68.02999999999997, 7.97], [-68.18, 8.32], [-68.52999999999997, 8.47], [-68.75, 9.0], [-68.64999999999998, 9.25], [-68.75, 9.5]]]]}, "2022-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, 9.5], [-68.52999999999997, 10.03], [-68.18, 10.18], [-68.02999999999997, 10.53], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47000000000003, 10.53], [-66.25, 10.0], [-66.45999999999998, 9.5], [-66.32, 9.18], [-66.25, 9.15], [-66.18, 9.18], [-66.02999999999997, 9.53], [-65.5, 9.75], [-65.25, 9.65], [-65.0, 9.75], [-64.47000000000003, 9.53], [-64.25, 9.0], [-64.47000000000003, 8.47], [-64.82, 8.32], [-64.85000000000002, 8.25], [-64.75, 8.0], [-64.97000000000003, 7.47], [-65.5, 7.25], [-65.75, 7.35], [-66.0, 7.25], [-66.25, 7.35], [-66.5, 7.25], [-66.75, 7.35], [-67.0, 7.25], [-67.52999999999997, 7.47], [-67.68, 7.82], [-68.02999999999997, 7.97], [-68.18, 8.32], [-68.52999999999997, 8.47], [-68.75, 9.0], [-68.64999999999998, 9.25], [-68.75, 9.5]]]]}, "2022-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, 9.5], [-68.52999999999997, 10.03], [-68.18, 10.18], [-68.02999999999997, 10.53], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47000000000003, 10.53], [-66.25, 10.0], [-66.45999999999998, 9.5], [-66.32, 9.18], [-66.25, 9.15], [-66.18, 9.18], [-66.02999999999997, 9.53], [-65.5, 9.75], [-65.25, 9.65], [-65.0, 9.75], [-64.47000000000003, 9.53], [-64.25, 9.0], [-64.47000000000003, 8.47], [-64.82, 8.32], [-64.85000000000002, 8.25], [-64.75, 8.0], [-64.97000000000003, 7.47], [-65.5, 7.25], [-65.75, 7.35], [-66.0, 7.25], [-66.25, 7.35], [-66.5, 7.25], [-66.75, 7.35], [-67.0, 7.25], [-67.52999999999997, 7.47], [-67.68, 7.82], [-68.02999999999997, 7.97], [-68.18, 8.32], [-68.52999999999997, 8.47], [-68.75, 9.0], [-68.64999999999998, 9.25], [-68.75, 9.5]]]]}, "2022-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.52999999999997, 8.47], [-68.75, 9.0], [-68.52999999999997, 9.53], [-68.0, 9.75], [-67.75, 9.65], [-67.5, 9.75], [-66.97000000000003, 9.53], [-66.82, 9.18], [-66.75, 9.15], [-66.5, 9.25], [-66.25, 9.15], [-66.18, 9.18], [-66.02999999999997, 9.53], [-65.5, 9.75], [-65.25, 9.65], [-65.0, 9.75], [-64.47000000000003, 9.53], [-64.25, 9.0], [-64.47000000000003, 8.47], [-64.82, 8.32], [-64.97000000000003, 7.97], [-65.5, 7.75], [-65.75, 7.85], [-65.82, 7.82], [-65.97000000000003, 7.47], [-66.5, 7.25], [-66.75, 7.35], [-67.0, 7.25], [-67.52999999999997, 7.47], [-67.68, 7.82], [-68.02999999999997, 7.97], [-68.18, 8.32], [-68.52999999999997, 8.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.615469731524456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3780032202274963}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.33979758582558, 32.037931845837136, 32.62019125020612, 32.60694267134443]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.981100443109426, 33.5539055881253, 34.485219574013456, 33.59102289608671]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3327091976679393, 2.096707515334187, 2.7751513052390284, 2.268958485818649]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.02827095562742, 2.5882897799164652, 3.615469731524456, 2.6969963020880527]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4098262722962742, 1.2280134598300696, 1.6015709761615433, 1.2618193547018037]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6332529213692533, 1.348749733813748, 1.8166182779072195, 1.3543273244676521]}}