{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:48.290555", "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-Jul-07_to_2020-Jul-09_335.0_74.5"}, "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": 2020070001773}, "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 07 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 09 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": 63266.770364484124}, "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": ["Greenland"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland"]}, "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": 74.5}, "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": 335.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "335.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 328.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 336.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 73.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 78.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-31.75, 78.0], [-31.53, 78.53], [-31.0, 78.75], [-30.75, 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72.97], [-30.25, 73.5], [-30.03, 74.03], [-29.68, 74.18], [-29.53, 74.53], [-29.18, 74.68], [-29.03, 75.03], [-28.68, 75.18], [-28.65, 75.25], [-28.68, 75.32], [-29.03, 75.47], [-29.18, 75.82], [-29.53, 75.97], [-29.68, 76.32], [-30.03, 76.47], [-30.18, 76.82], [-30.25, 76.85], [-30.5, 76.75], [-31.03, 76.97], [-31.18, 77.32], [-31.53, 77.47], [-31.75, 78.0]]]]}, "2020-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-31.75, 78.0], [-31.53, 78.53], [-31.0, 78.75], [-30.75, 78.65], [-30.5, 78.75], [-30.25, 78.65], [-30.0, 78.75], [-29.75, 78.65], [-29.5, 78.75], [-29.25, 78.65], [-29.0, 78.75], [-28.75, 78.65], [-28.5, 78.75], [-28.25, 78.65], [-28.0, 78.75], [-27.75, 78.65], [-27.5, 78.75], [-27.25, 78.65], [-27.0, 78.75], [-26.47, 78.53], [-26.32, 78.18], [-26.25, 78.15], [-26.0, 78.25], [-25.47, 78.03], [-25.32, 77.68], [-25.25, 77.65], [-25.0, 77.75], [-24.47, 77.53], [-24.25, 77.0], [-24.35, 76.75], [-24.25, 76.5], [-24.46, 76.0], [-24.32, 75.68], [-24.25, 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.707290854308608, 4.027651443548664, 3.880898375020577]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.376899353662566, 5.106002071520038, 5.691725602119504]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9051219484038124, 1.6395285306157124, 1.5928462569318078]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2474077581415433, 2.185979434312661, 2.1543844158428547]}}