{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:18:27.698078", "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-Feb-27_to_2022-Mar-04_296.5_11.0"}, "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": 2022020002605}, "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": "February 27 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2022"}, "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": 87897.954679193}, "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": ["Caribbean Sea"]}, "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": 11.0}, "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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\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": 298.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-67.47, 9.97], [-68.0, 9.75], [-68.53, 9.97], [-68.75, 10.5], [-68.65, 10.75], [-68.75, 11.0], [-68.65, 11.25], [-68.75, 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"polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.52999999999997, 11.03], [-68.0, 11.25], [-67.47000000000003, 11.03], [-67.25, 10.5], [-67.47000000000003, 9.97], [-68.0, 9.75], [-68.52999999999997, 9.97], [-68.75, 10.5], [-68.52999999999997, 11.03]]]]}, "2022-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.0, 9.75], [-68.52999999999997, 9.97], [-68.75, 10.5], [-68.52999999999997, 11.03], [-68.0, 11.25], [-67.47000000000003, 11.03], [-67.25, 10.5], [-67.47000000000003, 9.97], [-68.0, 9.75]]], [[[-64.52999999999997, 10.47], [-64.75, 11.0], [-64.52999999999997, 11.53], [-64.0, 11.75], [-63.75, 11.65], [-63.5, 11.75], [-62.97000000000003, 11.53], [-62.75, 11.0], [-62.97000000000003, 10.47], [-63.5, 10.25], [-63.75, 10.35], [-64.0, 10.25], [-64.52999999999997, 10.47]]]]}, 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[24.57715564698657, 25.00245407725572, 25.982954574877795, 25.91746496537553, 26.063393589853206, 25.94314193578316]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.57715564698657, 25.51281656143766, 26.58766681777729, 26.341903192581697, 26.45653174910956, 26.29971988377946]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8081800028304542, 0.6675497040921149, 0.8408996070858896, 0.7586222723146142, 0.855567823301042, 0.7525928949154296]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8081800028304542, 0.7611083490063493, 1.3668150147452138, 0.9105908239670839, 1.36472135618817, 0.8966769714357383]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.317774875604957, 1.255322907022823, 1.668345619533246, 1.5202008779781784, 1.728969587398667, 1.5301277400028197]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.317774875604957, 1.2767096709369083, 2.743670547808352, 1.7989734442576812, 2.690450395507564, 1.7944099607926687]}}