{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:24.677054", "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-Mar-14_to_2024-Mar-17_142.0_38.5"}, "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": 2024030001289}, "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": "March 14 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2024"}, "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": 51214.383407101304}, "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": ["Japan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "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": ["North Pacific Ocean"]}, "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": 38.5}, "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": 142.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.85, 38.25], [140.75, 38.5], [140.97, 39.03], [141.32, 39.18], [141.47, 39.53], [142.0, 39.75], [142.25, 39.65], [142.5, 39.75], [142.75, 39.65], [143.0, 39.75], [143.53, 39.53], [143.75, 39.0], [143.65, 38.75], [143.75, 38.5], [143.65, 38.25], [143.75, 38.0], [143.53, 37.47], [143.18, 37.32], [143.03, 36.97], [142.5, 36.75], [142.25, 36.85], [142.0, 36.75], [141.75, 36.85], [141.5, 36.75], [140.97, 36.97], [140.75, 37.5], [140.85, 37.75], [140.75, 38.0], [140.85, 38.25]]]]}, "2024-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.35, 37.25], [140.25, 37.5], [140.35, 37.75], [140.25, 38.0], [140.47, 38.53], [140.82, 38.68], [140.97, 39.03], [141.32, 39.18], [141.47, 39.53], [142.0, 39.75], [142.25, 39.65], [142.5, 39.75], [142.75, 39.65], [143.0, 39.75], [143.53, 39.53], [143.75, 39.0], [143.65, 38.75], [143.75, 38.5], [143.65, 38.25], [143.75, 38.0], [143.65, 37.75], [143.75, 37.5], [143.53, 36.97], [143.0, 36.75], [142.75, 36.85], [142.68, 36.82], [142.53, 36.47], [142.0, 36.25], [141.75, 36.35], [141.68, 36.32], [141.53, 35.97], [141.0, 35.75], [140.47, 35.97], [140.25, 36.5], [140.35, 36.75], [140.25, 37.0], [140.35, 37.25]]]]}, "2024-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.35, 37.25], [140.25, 37.5], [140.35, 37.75], [140.25, 38.0], [140.47, 38.53], [140.82, 38.68], [140.97, 39.03], [141.32, 39.18], [141.47, 39.53], [142.0, 39.75], [142.25, 39.65], [142.5, 39.75], [142.75, 39.65], [143.0, 39.75], [143.53, 39.53], [143.75, 39.0], [143.65, 38.75], [143.75, 38.5], [143.65, 38.25], [143.75, 38.0], [143.65, 37.75], [143.75, 37.5], [143.53, 36.97], [143.0, 36.75], [142.75, 36.85], [142.68, 36.82], [142.53, 36.47], [142.0, 36.25], [141.75, 36.35], [141.68, 36.32], [141.53, 35.97], [141.0, 35.75], [140.47, 35.97], [140.25, 36.5], [140.35, 36.75], [140.25, 37.0], [140.35, 37.25]]]]}, "2024-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.35, 37.25], [140.25, 37.5], [140.35, 37.75], [140.25, 38.0], [140.47, 38.53], [140.82, 38.68], [140.97, 39.03], [141.32, 39.18], [141.47, 39.53], [142.0, 39.75], [142.25, 39.65], [142.5, 39.75], [142.75, 39.65], [143.0, 39.75], [143.53, 39.53], [143.75, 39.0], [143.65, 38.75], [143.75, 38.5], [143.65, 38.25], [143.75, 38.0], [143.65, 37.75], [143.75, 37.5], [143.53, 36.97], [143.0, 36.75], [142.75, 36.85], [142.68, 36.82], [142.53, 36.47], [142.0, 36.25], [141.75, 36.35], [141.68, 36.32], [141.53, 35.97], [141.0, 35.75], [140.47, 35.97], [140.25, 36.5], [140.35, 36.75], [140.25, 37.0], [140.35, 37.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.690111846092407}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.845828150634675}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.13495861148499, 11.990803522192891, 10.870457176410582, 12.189722393041222]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.44804929799318, 13.438582334553928, 13.051593007806503, 13.901948254157958]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.064587834072881, 5.414106628469694, 4.217823002751997, 5.426381698390197]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.600769349564587, 6.229696870351518, 4.979818259348406, 6.690111846092407]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6618349080203418, 2.2297147573876512, 1.750230442066431, 2.2785696194694536]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9053762302382324, 2.6858698542821156, 2.1422963962164028, 2.8794693241200844]}}