{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:51.905340", "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": "2012-Nov-04_to_2012-Nov-06_37.0_54.5"}, "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": 2012110001545}, "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": "November 04 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 06 2012"}, "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": 125192.64704491533}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 54.5}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 51.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.35, 54.75], [33.25, 55.0], [33.47, 55.53], [34.0, 55.75], 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[33.82, 53.32], [33.47, 53.47], [33.25, 54.0], [33.35, 54.25], [33.25, 54.5], [33.35, 54.75]]]]}, "2012-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.35, 54.75], [33.25, 55.0], [33.47, 55.53], [34.0, 55.75], [34.25, 55.65], [34.5, 55.75], [35.03, 55.53], [35.2, 55.13], [35.32, 55.18], [35.47, 55.53], [36.0, 55.75], [36.25, 55.65], [36.5, 55.75], [36.75, 55.65], [36.82, 55.68], [36.97, 56.03], [37.5, 56.25], [37.75, 56.15], [37.82, 56.18], [37.97, 56.53], [38.5, 56.75], [38.75, 56.65], [39.0, 56.75], [39.25, 56.65], [39.5, 56.75], [40.03, 56.53], [40.25, 56.0], [40.15, 55.75], [40.18, 55.68], [40.53, 55.53], [40.75, 55.0], [40.65, 54.75], [40.75, 54.5], [40.65, 54.25], [40.75, 54.0], [40.53, 53.47], [40.18, 53.32], [40.03, 52.97], [39.5, 52.75], [39.25, 52.85], [39.0, 52.75], [38.75, 52.85], [38.5, 52.75], [38.25, 52.85], [38.18, 52.82], [38.03, 52.47], [37.5, 52.25], [37.25, 52.35], [37.18, 52.32], [37.03, 51.97], [36.5, 51.75], [36.25, 51.85], [36.0, 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8.958897992548316, 7.812164871161713]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.817014333059603, 10.542731085071921, 8.60644907633315]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.133446041540768, 7.188468451651139, 6.238508439077012]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.806250939941549, 7.818291172088266, 7.237800004232383]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4431610557778003, 1.6437939780261666, 1.3667056206567074]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6153947816424348, 1.8083285131852744, 1.571965672712197]}}