{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:14.598597", "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-Jun-15_to_2024-Jun-17_317.0_72.5"}, "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": 2024060001712}, "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 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 17 2024"}, "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": 52336.497111504854}, "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": 72.5}, "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": 317.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "317.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 315.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 321.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 69.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 72.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.75, 71.5], [-44.53, 72.03], [-44.18, 72.18], [-44.03, 72.53], [-43.68, 72.68], [-43.53, 73.03], [-43.0, 73.25], [-42.75, 73.15], [-42.5, 73.25], [-42.25, 73.15], [-42.0, 73.25], [-41.75, 73.15], [-41.5, 73.25], [-41.25, 73.15], [-41.0, 73.25], [-40.75, 73.15], [-40.5, 73.25], [-40.25, 73.15], [-40.0, 73.25], [-39.75, 73.15], [-39.5, 73.25], [-38.97, 73.03], [-38.82, 72.68], [-38.47, 72.53], [-38.32, 72.18], [-37.97, 72.03], [-37.75, 71.5], [-37.85, 71.25], [-37.75, 71.0], [-37.97, 70.47], [-38.5, 70.25], [-38.75, 70.35], [-39.0, 70.25], [-39.25, 70.35], [-39.5, 70.25], [-39.75, 70.35], [-39.82, 70.32], [-39.97, 69.97], [-40.32, 69.82], [-40.47, 69.47], [-41.0, 69.25], [-41.25, 69.35], [-41.5, 69.25], [-41.75, 69.35], [-42.0, 69.25], [-42.25, 69.35], [-42.5, 69.25], [-42.75, 69.35], [-43.0, 69.25], [-43.53, 69.47], [-43.68, 69.82], [-44.03, 69.97], [-44.25, 70.5], [-44.15, 70.75], [-44.18, 70.82], [-44.53, 70.97], [-44.75, 71.5]]]]}, "2024-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.75, 71.5], [-44.53, 72.03], [-44.18, 72.18], [-44.03, 72.53], [-43.68, 72.68], [-43.53, 73.03], [-43.0, 73.25], [-42.75, 73.15], [-42.5, 73.25], [-42.25, 73.15], [-42.0, 73.25], [-41.75, 73.15], [-41.5, 73.25], [-41.25, 73.15], [-41.0, 73.25], [-40.75, 73.15], [-40.5, 73.25], [-40.25, 73.15], [-40.0, 73.25], [-39.75, 73.15], [-39.5, 73.25], [-38.97, 73.03], [-38.82, 72.68], [-38.47, 72.53], [-38.32, 72.18], [-37.97, 72.03], [-37.75, 71.5], [-37.85, 71.25], [-37.75, 71.0], [-37.97, 70.47], [-38.5, 70.25], [-38.75, 70.35], [-39.0, 70.25], [-39.25, 70.35], [-39.5, 70.25], [-39.75, 70.35], [-39.82, 70.32], [-39.97, 69.97], [-40.32, 69.82], [-40.47, 69.47], [-41.0, 69.25], [-41.25, 69.35], [-41.5, 69.25], [-41.75, 69.35], [-42.0, 69.25], [-42.25, 69.35], [-42.5, 69.25], [-42.75, 69.35], [-43.0, 69.25], [-43.53, 69.47], [-43.68, 69.82], [-44.03, 69.97], [-44.25, 70.5], [-44.15, 70.75], [-44.18, 70.82], [-44.53, 70.97], [-44.75, 71.5]]]]}, "2024-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.659172676269634}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.8668042119849995}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-7.801774968604548, -6.393660503144076, -7.196992014542559]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-6.4514921586775245, -5.4137463807823565, -5.358927285456048]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.3610832943792674, 6.5898023967619785, 5.64952694481376]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.112206321480755, 7.659172676269634, 6.6772808457470205]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4877632597497452, 1.8138433669206349, 1.5632549637678104]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6776842067108702, 2.083479626652479, 1.877365856598691]}}