{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:25.367866", "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": "2018-Oct-25_to_2018-Oct-28_243.5_44.0"}, "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": 2018100002626}, "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": "October 25 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 28 2018"}, "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": 122751.60026880518}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": 44.0}, "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": 243.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "243.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 238.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 245.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.5, 44.75], [-115.97, 44.53], [-115.75, 44.0], [-115.97, 43.47], [-116.5, 43.25], [-117.03, 43.47], [-117.25, 44.0], [-117.03, 44.53], [-116.5, 44.75]]]]}, "2018-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-122.04, 44.0], [-122.25, 44.5], [-122.15, 44.75], [-122.25, 45.0], [-122.03, 45.53], [-121.5, 45.75], [-121.25, 45.65], [-121.0, 45.75], [-120.75, 45.65], [-120.5, 45.75], [-120.25, 45.65], [-120.0, 45.75], [-119.47, 45.53], [-119.32, 45.18], [-118.97, 45.03], [-118.75, 44.5], [-118.85, 44.25], [-118.82, 44.18], [-118.75, 44.15], [-118.5, 44.25], [-118.25, 44.15], [-118.0, 44.25], [-117.75, 44.15], [-117.68, 44.18], [-117.53, 44.53], [-117.18, 44.68], [-117.15, 44.75], [-117.25, 45.0], [-117.03, 45.53], [-116.5, 45.75], [-116.25, 45.65], [-116.0, 45.75], [-115.75, 45.65], [-115.5, 45.75], [-114.97, 45.53], [-114.82, 45.18], [-114.47, 45.03], [-114.32, 44.68], [-113.97, 44.53], [-113.75, 44.0], [-113.85, 43.75], [-113.75, 43.5], [-113.97, 42.97], [-114.37, 42.8], [-114.25, 42.5], [-114.47, 41.97], [-115.0, 41.75], [-115.25, 41.85], [-115.5, 41.75], [-115.75, 41.85], [-116.0, 41.75], [-116.53, 41.97], [-116.68, 42.32], [-116.8, 42.38], [-116.97, 41.97], [-117.5, 41.75], [-117.75, 41.85], [-118.0, 41.75], [-118.53, 41.97], [-118.68, 42.32], [-118.75, 42.35], [-119.0, 42.25], [-119.25, 42.35], [-119.5, 42.25], [-120.03, 42.47], [-120.18, 42.82], [-120.25, 42.85], [-120.32, 42.82], [-120.47, 42.47], [-121.0, 42.25], [-121.25, 42.35], [-121.5, 42.25], [-122.03, 42.47], [-122.25, 43.0], [-122.15, 43.25], [-122.25, 43.5], [-122.04, 44.0]]]]}, "2018-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-122.04, 44.0], [-122.25, 44.5], [-122.15, 44.75], [-122.25, 45.0], [-122.03, 45.53], [-121.5, 45.75], [-121.25, 45.65], [-121.0, 45.75], [-120.75, 45.65], [-120.5, 45.75], [-120.25, 45.65], [-120.0, 45.75], [-119.47, 45.53], [-119.32, 45.18], [-118.97, 45.03], [-118.75, 44.5], [-118.85, 44.25], [-118.82, 44.18], [-118.75, 44.15], [-118.5, 44.25], [-118.25, 44.15], [-118.0, 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1.9868856567642998, 1.8915560032507912, 1.627521831661173]}}