{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:18:57.759540", "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": "2022-Mar-08_to_2022-Mar-14_111.0_2.0"}, "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": 2022030001707}, "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 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 77249.76163560478}, "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": ["Indonesia", "Malaysia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": ["South China Sea"]}, "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": 2.0}, "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": 111.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[108.75, 2.15], [108.82, 2.18], [108.85, 2.25], [108.75, 2.5], [108.97, 3.03], [109.5, 3.25], [110.0, 3.04], [110.5, 3.25], [111.03, 3.03], [111.18, 2.68], [111.53, 2.53], [111.75, 2.0], [111.63, 1.7], [112.03, 1.53], [112.25, 1.0], [112.03, 0.47], [111.5, 0.25], [111.25, 0.35], [111.18, 0.32], [111.03, -0.03], [110.5, -0.25], [109.97, -0.03], [109.75, 0.5], [109.85, 0.75], [109.75, 1.0], [109.54, 0.5], [109.75, 0.0], [109.63, -0.3], [110.03, -0.47], [110.18, -0.82], [110.53, -0.97], [110.75, -1.5], [110.53, -2.03], [110.18, -2.18], [110.03, -2.53], [109.5, -2.75], [109.0, -2.54], [108.5, -2.75], [107.97, -2.53], [107.75, -2.0], [107.97, -1.47], [108.32, -1.32], [108.35, -1.25], [108.32, -1.18], [107.97, -1.03], [107.75, -0.5], [107.96, -0.0], [107.75, 0.5], [107.85, 0.75], [107.75, 1.0], [107.85, 1.25], [107.75, 1.5], [107.97, 2.03], [108.5, 2.25], [108.75, 2.15]], [[109.85, 1.25], [109.82, 1.32], [109.75, 1.35], [109.68, 1.32], [109.65, 1.25], [109.75, 1.0], [109.85, 1.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.5, 1.75], [108.97, 1.97], [108.75, 2.5], [108.97, 3.03], [109.5, 3.25], [110.0, 3.04], [110.5, 3.25], [111.03, 3.03], [111.25, 2.5], [111.03, 1.97], [110.5, 1.75], [110.0, 1.96], [109.5, 1.75]]]]}, "2022-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.5, 1.75], [108.97, 1.97], [108.75, 2.5], [108.97, 3.03], [109.5, 3.25], [110.0, 3.04], [110.5, 3.25], [111.03, 3.03], [111.25, 2.5], [111.03, 1.97], [110.5, 1.75], [110.0, 1.96], [109.5, 1.75]]]]}, "2022-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.85, 2.25], [108.75, 2.5], [108.97, 3.03], [109.5, 3.25], [110.0, 3.04], [110.5, 3.25], [111.03, 3.03], [111.18, 2.68], [111.53, 2.53], [111.75, 2.0], [111.53, 1.47], [111.18, 1.32], [111.03, 0.97], [110.5, 0.75], [109.97, 0.97], [109.82, 1.32], [109.75, 1.35], [109.68, 1.32], [109.53, 0.97], [109.0, 0.75], [108.47, 0.97], [108.25, 1.5], [108.47, 2.03], [108.82, 2.18], [108.85, 2.25]]]]}, "2022-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.97, 2.53], [109.5, 2.75], [109.75, 2.65], [110.0, 2.75], [110.25, 2.65], [110.5, 2.75], [110.75, 2.65], [111.0, 2.75], [111.53, 2.53], [111.75, 2.0], [111.63, 1.7], [112.03, 1.53], [112.25, 1.0], [112.03, 0.47], [111.5, 0.25], [111.25, 0.35], [111.18, 0.32], [111.03, -0.03], [110.5, -0.25], [109.97, -0.03], [109.75, 0.5], [109.96, 1.0], [109.82, 1.32], [109.75, 1.35], [109.68, 1.32], [109.53, 0.97], [109.0, 0.75], [108.47, 0.97], [108.25, 1.5], [108.47, 2.03], [108.82, 2.18], [108.97, 2.53]]]]}, "2022-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, 1.0], [107.85, 1.25], [107.75, 1.5], [107.97, 2.03], [108.5, 2.25], [108.75, 2.15], [108.82, 2.18], [108.97, 2.53], [109.5, 2.75], [109.75, 2.65], [110.0, 2.75], [110.25, 2.65], [110.5, 2.75], [110.75, 2.65], [111.0, 2.75], [111.53, 2.53], [111.75, 2.0], [111.63, 1.7], [112.03, 1.53], [112.25, 1.0], [112.03, 0.47], [111.5, 0.25], [111.25, 0.35], [111.18, 0.32], [111.03, -0.03], [110.5, -0.25], [109.97, -0.03], [109.75, 0.5], [109.85, 0.75], [109.75, 1.0], [109.54, 0.5], [109.75, 0.0], [109.63, -0.3], [110.03, -0.47], [110.18, -0.82], [110.53, -0.97], [110.75, -1.5], [110.53, -2.03], [110.18, -2.18], [110.03, -2.53], [109.5, -2.75], [109.0, -2.54], [108.5, -2.75], [107.97, -2.53], [107.75, -2.0], [107.97, -1.47], [108.32, -1.32], [108.35, -1.25], [108.32, -1.18], [107.97, -1.03], [107.75, -0.5], [107.96, -0.0], [107.75, 0.5], [107.85, 0.75], [107.75, 1.0]], [[109.85, 1.25], [109.82, 1.32], [109.75, 1.35], [109.68, 1.32], [109.65, 1.25], [109.75, 1.0], [109.85, 1.25]]]]}, "2022-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, 1.0], [107.85, 1.25], [107.75, 1.5], [107.97, 2.03], [108.5, 2.25], [108.75, 2.15], [108.82, 2.18], [108.97, 2.53], [109.5, 2.75], [109.75, 2.65], [110.0, 2.75], [110.25, 2.65], [110.5, 2.75], [110.75, 2.65], [111.0, 2.75], [111.53, 2.53], [111.75, 2.0], [111.63, 1.7], [112.03, 1.53], [112.25, 1.0], [112.03, 0.47], [111.5, 0.25], [111.25, 0.35], [111.18, 0.32], [111.03, -0.03], [110.5, -0.25], [109.97, -0.03], [109.75, 0.5], [109.85, 0.75], [109.75, 1.0], [109.54, 0.5], [109.75, 0.0], [109.63, -0.3], [110.03, -0.47], [110.18, -0.82], [110.53, -0.97], [110.75, -1.5], [110.53, -2.03], [110.18, -2.18], [110.03, -2.53], [109.5, -2.75], [109.0, -2.54], [108.5, -2.75], [107.97, -2.53], [107.75, -2.0], [107.97, -1.47], [108.32, -1.32], [108.35, -1.25], [108.32, -1.18], [107.97, -1.03], [107.75, -0.5], [107.96, -0.0], [107.75, 0.5], [107.85, 0.75], [107.75, 1.0]], [[109.85, 1.25], [109.82, 1.32], [109.75, 1.35], [109.68, 1.32], [109.65, 1.25], [109.75, 1.0], [109.85, 1.25]]]]}, "2022-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.85, 1.25], [107.75, 1.5], [107.97, 2.03], [108.5, 2.25], [108.75, 2.15], [109.0, 2.25], [109.53, 2.03], [109.75, 1.5], [109.65, 1.25], [109.75, 1.0], [109.54, 0.5], [109.75, 0.0], [109.63, -0.3], [110.03, -0.47], [110.18, -0.82], [110.53, -0.97], [110.75, -1.5], [110.53, -2.03], [110.18, -2.18], [110.03, -2.53], [109.5, -2.75], [109.0, -2.54], [108.5, -2.75], [107.97, -2.53], [107.75, -2.0], [107.97, -1.47], [108.32, -1.32], [108.35, -1.25], [108.32, -1.18], [107.97, -1.03], [107.75, -0.5], [107.96, -0.0], [107.75, 0.5], [107.85, 0.75], [107.75, 1.0], [107.85, 1.25]]], [[[110.5, 1.75], [111.03, 1.53], [111.25, 1.0], [111.15, 0.75], [111.25, 0.5], [111.03, -0.03], [110.5, -0.25], [109.97, -0.03], [109.75, 0.5], [109.85, 0.75], [109.75, 1.0], [109.97, 1.53], [110.5, 1.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.222821052953293}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1400825471741773}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.672335125130928, 27.524093948796633, 27.784053879839178, 27.4724581928715, 27.886271115667853, 28.155294753511157, 28.053845413999284]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.723441826179794, 27.582360525837828, 27.89041154513444, 27.785376517029874, 28.498119246357135, 28.73323123337707, 28.584531542816592]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7720264452549657, 0.6100639112021042, 0.9892073314683856, 0.9908631120473943, 1.0938724800399768, 1.3745556410155744, 1.1410873286307037]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8545254154415147, 0.6390337049544428, 1.2055444219336096, 1.2413423169725775, 1.436881745829453, 2.222821052953293, 1.3931798347549034]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5637237103440818, 1.2348778012691708, 1.8251864708659764, 1.5794675915866618, 1.7633489113132876, 2.152796790156359, 1.8119959416077533]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7547181252368769, 1.261327582419323, 2.2074196671534265, 2.0829036771071614, 2.944431504138351, 3.1005254582746486, 2.5029136774229963]}}