{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:57:38.425530", "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": "2024-Feb-14_to_2024-Feb-17_295.5_-41.5"}, "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": 2024020001435}, "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 14 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 17 2024"}, "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": 69828.51765057982}, "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": ["Argentina"]}, "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": ["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": -41.5}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -45.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -41.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-60.97, -45.03], [-61.32, -45.18], [-61.47, -45.53], [-62.0, -45.75], [-62.25, -45.65], [-62.5, -45.75], [-63.03, -45.53], [-63.18, -45.18], [-63.25, -45.15], [-63.5, -45.25], [-64.03, -45.03], [-64.25, -44.5], [-64.15, -44.25], [-64.18, -44.18], [-64.53, -44.03], [-64.75, -43.5], [-64.65, -43.25], [-64.68, -43.18], [-65.03, -43.03], [-65.18, -42.68], [-65.53, -42.53], [-65.75, -42.0], [-65.53, -41.47], [-65.18, -41.32], [-65.03, -40.97], [-64.5, -40.75], [-64.25, -40.85], [-64.0, -40.75], [-63.75, -40.85], [-63.5, -40.75], [-63.25, -40.85], [-63.0, -40.75], [-62.47, -40.97], [-62.25, -41.5], [-62.35, -41.75], [-62.25, -42.0], [-62.37, -42.3], [-61.97, -42.47], [-61.82, -42.82], [-61.47, -42.97], [-61.25, -43.5], [-61.35, -43.75], [-61.32, -43.82], [-60.97, -43.97], [-60.75, -44.5], [-60.97, -45.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-14T11:30:00.000000000": 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-43.5], [-64.64999999999998, -43.25], [-64.68, -43.18], [-65.02999999999997, -43.03], [-65.18, -42.68], [-65.52999999999997, -42.53]]]]}, "2024-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.52999999999997, -42.53], [-65.75, -42.0], [-65.52999999999997, -41.47], [-65.18, -41.32], [-65.02999999999997, -40.97], [-64.5, -40.75], [-64.25, -40.85], [-64.0, -40.75], [-63.75, -40.85], [-63.5, -40.75], [-63.25, -40.85], [-63.0, -40.75], [-62.47000000000003, -40.97], [-62.25, -41.5], [-62.35000000000002, -41.75], [-62.25, -42.0], [-62.370000000000005, -42.3], [-61.97000000000003, -42.47], [-61.81999999999999, -42.82], [-61.47000000000003, -42.97], [-61.25, -43.5], [-61.35000000000002, -43.75], [-61.31999999999999, -43.82], [-60.97000000000003, -43.97], [-60.75, -44.5], [-60.97000000000003, -45.03], [-61.31999999999999, -45.18], [-61.47000000000003, -45.53], [-62.0, -45.75], [-62.25, -45.65], [-62.5, -45.75], [-63.02999999999997, -45.53], [-63.18000000000001, -45.18], 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21.12367943903348, 20.398750032043324, 20.525998171857395]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.65310797666973, 26.51060807105739, 25.26991838857026, 23.98793537316334]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9614379602344267, 3.3149964717351943, 2.775703941851743, 2.7871063346489544]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.998322624710511, 5.809405804611515, 5.0867035872492465, 3.8670402011639453]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6456071339706322, 1.8245845043032, 1.470216886735299, 1.4377043675461878]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.13219225177736, 2.177859819441704, 2.196576014787164, 1.6976489275297022]}}