{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:31.359685", "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": "2017-Jul-09_to_2017-Jul-12_267.0_40.5"}, "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": 2017070001876}, "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": "July 09 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2017"}, "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": 96645.60682665158}, "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": ["C.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": 40.5}, "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": 267.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "267.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 260.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 268.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 41.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.0, 41.25], [-92.47, 41.03], [-92.25, 40.5], [-92.47, 39.97], [-93.0, 39.75], [-93.53, 39.97], [-93.75, 40.5], [-93.53, 41.03], [-93.0, 41.25]]]]}, "2017-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.75, 40.5], [-99.53, 41.03], [-99.18, 41.18], [-99.03, 41.53], [-98.5, 41.75], [-98.25, 41.65], [-98.0, 41.75], [-97.75, 41.65], [-97.5, 41.75], [-97.25, 41.65], [-97.0, 41.75], [-96.47, 41.53], [-96.32, 41.18], [-96.25, 41.15], [-96.0, 41.25], [-95.47, 41.03], [-95.32, 40.68], [-95.25, 40.65], [-95.18, 40.68], [-95.15, 40.75], [-95.25, 41.0], [-95.03, 41.53], [-94.5, 41.75], [-94.25, 41.65], [-94.0, 41.75], [-93.75, 41.65], [-93.5, 41.75], [-93.25, 41.65], [-93.0, 41.75], [-92.75, 41.65], [-92.5, 41.75], [-91.97, 41.53], [-91.82, 41.18], [-91.47, 41.03], [-91.25, 40.5], [-91.47, 39.97], [-92.0, 39.75], [-92.25, 39.85], [-92.32, 39.82], [-92.47, 39.47], [-93.0, 39.25], [-93.25, 39.35], [-93.5, 39.25], [-93.75, 39.35], [-94.0, 39.25], [-94.25, 39.35], [-94.5, 39.25], [-94.75, 39.35], [-94.82, 39.32], [-94.97, 38.97], [-95.5, 38.75], [-95.75, 38.85], [-96.0, 38.75], [-96.5, 38.96], [-97.0, 38.75], [-97.5, 38.96], [-98.0, 38.75], [-98.25, 38.85], [-98.5, 38.75], [-99.0, 38.96], [-99.5, 38.75], [-100.03, 38.97], [-100.25, 39.5], [-100.03, 40.03], [-99.68, 40.18], [-99.65, 40.25], [-99.75, 40.5]]]]}, "2017-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.75, 40.5], [-99.53, 41.03], [-99.18, 41.18], [-99.03, 41.53], [-98.5, 41.75], [-98.25, 41.65], [-98.0, 41.75], [-97.75, 41.65], [-97.5, 41.75], [-97.25, 41.65], [-97.0, 41.75], [-96.47, 41.53], [-96.32, 41.18], [-96.25, 41.15], [-96.0, 41.25], [-95.47, 41.03], [-95.32, 40.68], [-95.25, 40.65], [-95.18, 40.68], [-95.15, 40.75], [-95.25, 41.0], [-95.03, 41.53], [-94.5, 41.75], [-94.25, 41.65], [-94.0, 41.75], [-93.75, 41.65], [-93.5, 41.75], [-93.25, 41.65], [-93.0, 41.75], [-92.75, 41.65], [-92.5, 41.75], [-91.97, 41.53], [-91.82, 41.18], [-91.47, 41.03], [-91.25, 40.5], [-91.47, 39.97], [-92.0, 39.75], [-92.25, 39.85], [-92.32, 39.82], [-92.47, 39.47], [-93.0, 39.25], [-93.25, 39.35], [-93.5, 39.25], [-93.75, 39.35], [-94.0, 39.25], [-94.25, 39.35], [-94.5, 39.25], [-94.75, 39.35], [-94.82, 39.32], [-94.97, 38.97], [-95.5, 38.75], [-95.75, 38.85], [-96.0, 38.75], [-96.5, 38.96], [-97.0, 38.75], [-97.5, 38.96], [-98.0, 38.75], [-98.25, 38.85], [-98.5, 38.75], [-99.0, 38.96], [-99.5, 38.75], [-100.03, 38.97], [-100.25, 39.5], [-100.03, 40.03], [-99.68, 40.18], [-99.65, 40.25], [-99.75, 40.5]]]]}, "2017-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.75, 40.5], [-99.53, 41.03], [-99.18, 41.18], [-99.03, 41.53], [-98.5, 41.75], [-98.25, 41.65], [-98.0, 41.75], [-97.75, 41.65], [-97.5, 41.75], [-97.25, 41.65], [-97.0, 41.75], [-96.47, 41.53], [-96.32, 41.18], [-96.25, 41.15], [-96.0, 41.25], [-95.47, 41.03], [-95.32, 40.68], [-95.25, 40.65], [-95.18, 40.68], [-95.15, 40.75], [-95.25, 41.0], [-95.03, 41.53], [-94.5, 41.75], [-94.25, 41.65], [-94.0, 41.75], [-93.75, 41.65], 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1.5793387912508474, 1.9040633111785021]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2888581788867581, 2.152307122407605, 2.1015959352414777, 2.2533639474998286]}}