{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:14:13.104873", "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": "2020-Jun-03_to_2020-Jun-05_246.0_41.0"}, "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": 2020060001471}, "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": "June 03 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 05 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 105501.67671573984}, "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": ["United States"]}, "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": 41.0}, "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": 246.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "246.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 240.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 246.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-120.75, 40.5], [-120.53, 41.03], [-120.177, 41.177], [-120.03, 41.53], [-119.5, 41.75], [-119.25, 41.646], [-119.0, 41.75], [-118.75, 41.646], [-118.677, 41.677], [-118.53, 42.03], [-118.0, 42.25], [-117.47, 42.03], [-117.323, 41.677], [-117.25, 41.646], [-117.0, 41.75], [-116.75, 41.646], [-116.677, 41.677], [-116.53, 42.03], [-116.0, 42.25], [-115.75, 42.146], [-115.5, 42.25], [-115.25, 42.146], [-115.0, 42.25], [-114.75, 42.146], [-114.677, 42.177], [-114.53, 42.53], [-114.0, 42.75], [-113.75, 42.646], [-113.5, 42.75], [-112.97, 42.53], [-112.75, 42.0], [-112.97, 41.47], [-113.323, 41.323], [-113.354, 41.25], [-113.25, 41.0], [-113.354, 40.75], [-113.25, 40.5], [-113.354, 40.25], [-113.25, 40.0], [-113.47, 39.47], [-114.0, 39.25], [-114.25, 39.354], [-114.5, 39.25], [-114.75, 39.354], [-115.0, 39.25], [-115.25, 39.354], [-115.5, 39.25], [-115.75, 39.354], [-116.0, 39.25], [-116.53, 39.47], [-116.677, 39.823], [-116.75, 39.854], [-116.823, 39.823], [-116.97, 39.47], [-117.5, 39.25], [-117.75, 39.354], [-117.823, 39.323], [-117.854, 39.25], [-117.75, 39.0], [-117.97, 38.47], [-118.5, 38.25], [-119.03, 38.47], [-119.25, 39.0], [-119.146, 39.25], [-119.177, 39.323], [-119.25, 39.354], [-119.5, 39.25], [-120.03, 39.47], [-120.177, 39.823], [-120.53, 39.97], [-120.75, 40.5]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-120.17677669529664, 39.82322330470336], [-120.53033008588991, 39.96966991411009], [-120.75, 40.5], [-120.53033008588991, 41.03033008588991], [-120.17677669529664, 41.17677669529664], [-120.03033008588991, 41.53033008588991], [-119.5, 41.75], [-119.25, 41.64644660940672], [-119.0, 41.75], [-118.75, 41.64644660940672], [-118.67677669529664, 41.67677669529664], [-118.53033008588991, 42.03033008588991], [-118.0, 42.25], [-117.46966991411009, 42.03033008588991], [-117.32322330470336, 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